Central Taxonomic Thesaurus
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  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
                    Caryophyllales
                            Cactaceae
                                     Acanthocalycium
                                             Acanthocalycium aurantiacum
                                             Acanthocalycium ferrarii
                                             Acanthocalycium glaucum
                                             Acanthocalycium klimpelianum
                                             Acanthocalycium spiniflorum
                                             Acanthocalycium thionanthum
                                             Acanthocalycium variiflorum
                                     Acanthocereus
                                             Acanthocereus atropurpureus
                                             Acanthocereus castellae
                                             Acanthocereus chiapensis
                                             Acanthocereus columbianus
                                             Acanthocereus cuixmalensis
                                             Acanthocereus horridus
                                             Acanthocereus maculatus
                                             Acanthocereus oaxacensis
                                             Acanthocereus occidentalis
                                             Acanthocereus paradoxus
                                             Acanthocereus pentagonus
                                             Acanthocereus subinermis
                                             Acanthocereus tepalcatepecanus
                                             Acanthocereus tetragonus
                                                   [Acanthocereus baxaniensis]
                                                   [Acanthocereus colombianus]
                                                   [Acanthocereus floridanus]
                                                   [Acanthocereus griseus]
                                                   [Acanthocereus pitajaya]
                                                   [Cactus pentagonus]
                                                   [Cactus tetragonus]
                                                   [Cereus baxaniensis]
                                                   [Cereus pentagonus]
                                                   [Cereus validus]
                                             Acanthocereus undulosus
                                     Acanthorhipsalis
                                     Acharagma
                                             Acharagma aguirreanum
                                                   [Escobaria aguirreana]
                                                   [Gymnocactus aguirreanus]
                                                   [Thelocactus aguirreanus]
                                             Acharagma roseana
                                             Acharagma roseanum
                                                   [Echinocactus roseanus]
                                                   [Gymnocactus roseanus]
                                                   [Thelocactus roseanus]
                                               Acharagma roseanum subsp. galeanense
                                               Acharagma roseanum subsp. roseanum
                                                     [Coryphantha roseana]
                                     Airampoa
                                             Airampoa albisaetacens
                                                   [Opuntia armata]
                                     Ancistrocactus
                                             Ancistrocactus brevihamatus
                                               Ancistrocactus brevihamatus var. brevihamatus
                                               Ancistrocactus brevihamatus var. pallidus
                                             Ancistrocactus pinkavanus
                                             Ancistrocactus scheeri
                                             Ancistrocactus tobuschii
                                     Aporocactus
                                             Aporocactus flagelliformis
                                     Ariocarpus
                                             Ariocarpus agavoides
                                             Ariocarpus bravoanus
                                               Ariocarpus bravoanus subsp. bravoanus
                                               Ariocarpus bravoanus subsp. hintonii
                                             Ariocarpus fissuratus
                                                   [Mammillaria fissurata]
                                               Ariocarpus fissuratus subsp. fissuratus
                                                     [Ariocarpus lloydii]
                                               Ariocarpus fissuratus subsp. lloydii
                                                     [Ariocarpus fissuratus var. lloydii]
                                               Ariocarpus fissuratus var. fissuratus
                                               Ariocarpus fissuratus var. hintonii
                                             Ariocarpus kotschoubeyanus
                                                   [Ariocarpus kotschoubeyanus subsp. macdowellii]
                                             Ariocarpus retusus
                                                   [Ariocarpus elongatus]
                                                   [Ariocarpus retusus var. retusus]
                                                   [Mammillaria furfuracea]
                                               Ariocarpus retusus subsp. retusus
                                               Ariocarpus retusus subsp. trigonus
                                             Ariocarpus scaphirostris
                                                   [Ariocarpus scapharostris]
                                                   [Ariocarpus scapharostrus]
                                             Ariocarpus trigonus
                                     Armatocereus
                                             Armatocereus arduus
                                             Armatocereus cartwrightianus
                                                   [Lemaireocereus cartwrightianus]
                                             Armatocereus godingianus
                                               Armatocereus godingianus subsp. brevispinus
                                                     [Armatocereus brevispinus]
                                               Armatocereus godingianus subsp. godingianus
                                                     [Lemaireocereus godingianus]
                                             Armatocereus laetus
                                                   [Armatocereus oligogonus]
                                                   [Lemaireocereus laetus]
                                             Armatocereus mataranus
                                               Armatocereus mataranus subsp. ancashensis
                                               Armatocereus mataranus subsp. mataranus
                                             Armatocereus matucanensis
                                                   [Armatocereus arboreus]
                                                   [Armatocereus churinensis]
                                                   [Armatocereus mataranus var. ancashensis]
                                             Armatocereus procerus
                                             Armatocereus rauhii
                                                   [Armatocereus rupicola]
                                               Armatocereus rauhii subsp. balsasensis
                                               Armatocereus rauhii subsp. rauhii
                                             Armatocereus riomajensis
                                     Arrojadoa
                                             Arrojadoa bahiensis
                                             Arrojadoa dinae
                                                   [Arrojadoa beateae]
                                                   [Arrojadoa dinae subsp. dinae]
                                                   [Arrojadoa dinae subsp. nana]
                                                   [Arrojadoa dinae var. nana]
                                                   [Arrojadoa multiflora]
                                             Arrojadoa eriocaulis
                                                   [Arrojadoa dinae subsp. eriocaulis]
                                                   [Arrojadoa eriocaulis subsp. albicoronata]
                                                   [Arrojadoa multiflora subsp. hofackeriana]
                                             Arrojadoa marylaniae
                                             Arrojadoa penicillata
                                                   [Cereus penicillatus]
                                             Arrojadoa rhodantha
                                                   [Arrojadoa aureispina var. anguinea]
                                                   [Arrojadoa aureispina var. guanambensis]
                                                   [Arrojadoa aureispina]
                                                   [Arrojadoa canudosensis]
                                                   [Arrojadoa horstiana]
                                                   [Arrojadoa rhodantha subsp. aureispina]
                                                   [Arrojadoa rhodantha subsp. canudosensis]
                                                   [Arrojadoa rhodantha subsp. reflexa]
                                                   [Arrojadoa rhodantha var. theunisseniana]
                                             Arrojadoa x albiflora
                                     Arthrocereus
                                             Arthrocereus glaziovii
                                                   [Arthrocereus campos-portoi]
                                                   [Arthrocereus damazioi]
                                                   [Arthrocereus densiaculeatus]
                                                   [Arthrocereus itabiriticola]
                                                   [Leocereus glaziovii]
                                             Arthrocereus melanurus
                                                   [Leocereus melanurus]
                                               Arthrocereus melanurus subsp. magnus
                                               Arthrocereus melanurus subsp. melanurus
                                               Arthrocereus melanurus subsp. odorus
                                             Arthrocereus odorus
                                             Arthrocereus rondonianus
                                             Arthrocereus spinosissimus
                                     Astrophytum
                                             Astrophytum asterias
                                                   [Echinocactus asterias]
                                             Astrophytum capricorne
                                                   [Astrophytum capricorne var. crassispinum]
                                                   [Astrophytum senile]
                                                   [Echinocactus capricornis]
                                             Astrophytum caput-medusae
                                             Astrophytum myriostigma
                                                   [Astrophytum coahuilense]
                                                   [Astrophytum columnare]
                                                   [Astrophytum myriostigma var. potosinum]
                                                   [Astrophytum myriostigma var. tulense]
                                                   [Astrophytum tulense]
                                               Astrophytum myriostigma var. coahuilense
                                               Astrophytum myriostigma var. myriostigma
                                             Astrophytum ornatum
                                     Austrocactus
                                           [Austrocactus coxii]
                                             Austrocactus bertinii
                                                   [Austrocactus dusenii]
                                                   [Austrocactus gracilis]
                                                   [Austrocactus hibernus]
                                                   [Austrocactus patagonicus]
                                             Austrocactus philippii
                                                   [Erdisia philippii]
                                             Austrocactus spiniflorus
                                                   [Corryocactus spiniflorus]
                                                   [Erdisia spiniflora]
                                                   [Opuntia spiniflora]
                                     Austrocylindropuntia
                                             Austrocylindropuntia cylindrica
                                                   [Austrocylindropuntia intermedia]
                                                   [Cactus cylindricus]
                                                   [Cylindropuntia intermedia]
                                                   [Opuntia bradleyi]
                                             Austrocylindropuntia floccosa
                                                   [Austrocylindropuntia hirschii]
                                                   [Austrocylindropuntia lauliacoana]
                                                   [Austrocylindropuntia machacana]
                                                   [Austrocylindropuntia punta-caillan]
                                                   [Austrocylindropuntia tephrocactoides]
                                                   [Austrocylindropuntia yanganucensis]
                                                   [Opuntia blancii]
                                                   [Opuntia crispicrinita]
                                                   [Opuntia cylindrolanata]
                                                   [Opuntia floccosa]
                                                   [Opuntia hirschii]
                                                   [Opuntia pseudoudonis]
                                                   [Opuntia punta-caillan]
                                                   [Opuntia rauhii]
                                                   [Opuntia tephrocactoides]
                                                   [Opuntia udonis]
                                                   [Opuntia verticosa]
                                                   [Opuntia yanganucensis]
                                                   [Tephrocactus atroviridis]
                                                   [Tephrocactus blancii]
                                                   [Tephrocactus crispicrinitus]
                                                   [Tephrocactus cylindrolanatus]
                                                   [Tephrocactus floccosus]
                                                   [Tephrocactus hirschii]
                                                   [Tephrocactus pseudoudonis]
                                                   [Tephrocactus punta-caillan]
                                                   [Tephrocactus rauhii]
                                                   [Tephrocactus udonis]
                                                   [Tephrocactus verticosus]
                                                   [Tephrocactus yanganucensis]
                                             Austrocylindropuntia lagopus
                                                   [Austrocylindropuntia malyana]
                                                   [Opuntia lagopus]
                                                   [Tephrocactus lagopus]
                                                   [Tephrocactus malyanus]
                                             Austrocylindropuntia miquelii
                                                   [Opuntia miquelii]
                                             Austrocylindropuntia pachypus
                                                   [Opuntia pachypus]
                                             Austrocylindropuntia shaferi
                                                   [Austrocylindropuntia humahuacana]
                                                   [Austrocylindropuntia steiniana]
                                                   [Austrocylindropuntia weingartiana]
                                                   [Cylindropuntia humahuacana]
                                                   [Cylindropuntia weingartiana]
                                                   [Opuntia shaferi]
                                             Austrocylindropuntia subulata
                                                   [Pereskia subulata]
                                               Austrocylindropuntia subulata subsp. exaltata
                                                     [Austrocylindropuntia exaltata]
                                                     [Opuntia exaltata]
                                                     [Opuntia subulata var. exaltata]
                                               Austrocylindropuntia subulata subsp. subulata
                                             Austrocylindropuntia verschaffeltii
                                                   [Austrocylindropuntia haematacantha]
                                                   [Austrocylindropuntia inarmata]
                                                   [Cylindropuntia haematacantha]
                                                   [Opuntia posnanskyana]
                                                   [Opuntia steiniana]
                                                   [Opuntia verschaffeltii]
                                             Austrocylindropuntia vestita
                                                   [Austrocylindropuntia chuquisacana]
                                                   [Austrocylindropuntia teres]
                                                   [Cylindropuntia teres]
                                                   [Opuntia chuquisacana]
                                                   [Opuntia heteromorpha]
                                                   [Opuntia vestita]
                                                   [Tephrocactus heteromorphus]
                                     Aylostera
                                     Aztekium
                                             Aztekium hintonii
                                             Aztekium ritteri
                                                   [Echinocactus ritteri]
                                     Backebergia
                                             Backebergia militaris
                                                   [Pachycereus chrysomallus]
                                     Bartschella
                                     Bergerocactus
                                             Bergerocactus emoryi
                                                   [Bergerocereus emoryi]
                                                   [Cereus emoryi]
                                                   [Echinocereus emoryi]
                                     Bergerocereus
                                     Blossfeldia
                                             Blossfeldia liliputana
                                                   [Blossfeldia liliputana var. atroviridis]
                                                   [Blossfeldia liliputana var. campaniflora]
                                                   [Blossfeldia liliputana var. fechseri]
                                                   [Blossfeldia minima]
                                                   [Blossfeldia pedicellata]
                                                   [Parodia liliputana]
                                     Bolivicereus
                                     Bonifazia
                                     Borzicactus
                                             Borzicactus aurantiacus
                                             Borzicactus calvescens
                                             Borzicactus fruticosus
                                     Brachycereus
                                             Brachycereus nesioticus
                                     Brasilicereus
                                             Brasilicereus markgrafii
                                             Brasilicereus phaeacanthus
                                                   [Brasilicereus breviflorus]
                                                   [Brasilicereus phaeacanthus subsp. breviflorus]
                                     Brasiliopuntia
                                             Brasiliopuntia brasiliensis
                                                   [Brasiliopuntia bahiensis]
                                                   [Brasiliopuntia neoargentina]
                                                   [Brasiliopuntia schulzii]
                                                   [Brasiliopuntia subacarpa]
                                                   [Cactus brasiliensis]
                                                   [Opuntia bahiensis]
                                                   [Opuntia brasiliensis subsp. bahiensis]
                                                   [Opuntia brasiliensis subsp. subacarpa]
                                                   [Opuntia neoargentina]
                                                   [Opuntia schulzii]
                                               Brasiliopuntia brasiliensis subsp. brasiliensis
                                                     [Opuntia argentina]
                                             Brasiliopuntia schickendantzii
                                     Browningia
                                             Browningia altissima
                                                   [Gymnanthocereus altissimus]
                                             Browningia amstutziae
                                             Browningia caineana
                                             Browningia candelaris
                                                   [Cereus candelaris]
                                               Browningia candelaris subsp. candelaris
                                               Browningia candelaris subsp. icaensis
                                                     [Browningia icaensis]
                                             Browningia chlorocarpa
                                                   [Cactus chlorocarpus]
                                             Browningia columnaris
                                             Browningia hertlingiana
                                                   [Browningia viridis]
                                             Browningia microsperma
                                                   [Browningia albiceps]
                                                   [Cereus microspermus]
                                             Browningia pilleifera
                                                   [Gymnanthocereus macracanthus]
                                                   [Gymnanthocereus pilleifer]
                                             Browningia riosaniensis
                              Cactoideae
                                     Kadenicarpus
                                             Kadenicarpus horripilus
                                                   [Neolloydia horripila]
                                             Kadenicarpus pseudomacrochele
                                     Leucostele
                                             Leucostele chiloensis
                                     Lymanbensonia
                                             Lymanbensonia crenata
                                     Marginatocereus
                                             Marginatocereus marginatus
                                                   [Lemaireocereus marginatus]
                                     Soehrensia
                                             Soehrensia candicans
                                                   [Trichocereus lamprochlorus]
                                     Cactus
                                             Cactus goodridgii
                                             Cactus lasiacanthus
                                               Cactus lasiacanthus var. denudatus
                                             Cactus muehlenpfordtii
                                                   [Mammillaria muehlenpfordtii]
                                             Cactus opuntia
                                             Cactus pringlei
                                             Cactus radiosus
                                             Cactus recurvispinus
                                                   [Mammillaria recurvispina]
                                     Calymmanthium
                                             Calymmanthium substerile
                                     Carnegiea
                                             Carnegiea euphorbioides
                                             Carnegiea gigantea
                                                   [Cereus giganteus]
                                     Castellanosia
                                             Castellanosia caineana
                                     Cephalocereus
                                             Cephalocereus apicicephalium
                                                   [Cephalocereus nizandensis]
                                                   [Cephalocereus totolapensis]
                                             Cephalocereus columna-trajani
                                                   [Cephalocereus hoppenstedtii]
                                                   [Pachycereus columna-trajani]
                                             Cephalocereus deeringii
                                             Cephalocereus dybowskii
                                             Cephalocereus keyensis
                                             Cephalocereus mezcalaensis
                                             Cephalocereus nudus
                                             Cephalocereus phaeacanthus
                                             Cephalocereus purpusii
                                             Cephalocereus senilis
                                             Cephalocereus smithianus
                                             Cephalocereus zehnteri
                                     Cephalophorus
                                             Cephalophorus palmeri
                                     Cereus
                                           [Cereus braunii]
                                           [Cereus pachyrrhizus]
                                             Cereus Engelmannii
                                             Cereus acranthus
                                             Cereus aethiops
                                                   [Piptanthocereus aethiops]
                                             Cereus aggregatus
                                             Cereus albicaulis
                                                   [Acanthocereus albicaulis]
                                                   [Monvillea albicaulis]
                                             Cereus alticostatus
                                             Cereus amazonicus
                                             Cereus apoloensis
                                             Cereus argentinensis
                                             Cereus assurgens
                                             Cereus atacamensis
                                             Cereus ballivianii
                                             Cereus berlandieri
                                             Cereus bicolor
                                             Cereus blanckii
                                             Cereus blankii
                                             Cereus caespitosus
                                             Cereus campinensis
                                             Cereus chalybaeus
                                             Cereus childsii
                                             Cereus chiotilla
                                             Cereus chloranthus
                                             Cereus cinerascens
                                             Cereus coccineus
                                             Cereus cochal
                                             Cereus compressus
                                             Cereus coniflorus
                                             Cereus crassisepalus
                                             Cereus crenulatus
                                             Cereus dasyacanthus
                                               Cereus dasyacanthus var. minor
                                               Cereus dasyacanthus var. neomexicanus
                                             Cereus diffusus
                                                   [Monvillea diffusa]
                                             Cereus dubius
                                             Cereus eburneus
                                             Cereus edulis
                                             Cereus eriophorus
                                               Cereus eriophorus var. eriophorus
                                               Cereus eriophorus var. fragrans
                                             Cereus estevesii
                                             Cereus fendleri
                                             Cereus fernambucensis
                                                   [Cereus neotetragonus]
                                               Cereus fernambucensis subsp. fernambucensis
                                                     [Cereus tetragonus]
                                               Cereus fernambucensis subsp. sericifer
                                                     [Cereus sericifer]
                                                     [Piptanthocereus sericifer]
                                             Cereus flagelliformis
                                             Cereus forbesii
                                             Cereus fricii
                                                   [Cephalocereus russelianus]
                                                   [Cereus russelianus]
                                             Cereus geometrizans
                                             Cereus glaziovii
                                             Cereus gracilis
                                               Cereus gracilis var. aboriginus
                                               Cereus gracilis var. simpsonii
                                             Cereus grantianus
                                             Cereus gummosus
                                             Cereus hankeanus
                                                   [Cereus cochabambensis]
                                                   [Cereus comarapanus]
                                                   [Cereus huilunchu]
                                                   [Piptanthocereus comarapanus]
                                                   [Piptanthocereus huilunchu]
                                             Cereus hexagonus
                                                   [Cereus longiflorus]
                                                   [Cereus longifolius]
                                                   [Cereus perlucens]
                                             Cereus hildmannianus
                                                   [Cereus hildmannianus subsp. xanthocarpus]
                                                   [Cereus neonesioticus]
                                                   [Cereus nesioticus]
                                                   [Cereus uruguayanus]
                                                   [Cereus xanthocarpus]
                                                   [Piptanthocereus neonesioticus var. interior]
                                                   [Piptanthocereus neonesioticus]
                                                   [Piptanthocereus peruvianus]
                                                   [Piptanthocereus xanthocarpus]
                                                   [Stenocereus peruvianus]
                                               Cereus hildmannianus hildmannianus
                                                     [Cereus alacriportanus]
                                               Cereus hildmannianus subsp. hildmannianus
                                               Cereus hildmannianus subsp. uruguayanus
                                                     [Piptanthocereus bageanus]
                                                     [Piptanthocereus uruguayanus]
                                             Cereus horrispinus
                                             Cereus huotii
                                             Cereus hystrix
                                             Cereus insularis
                                                   [Cereus ridleii]
                                                   [Monvillea insularis]
                                             Cereus jamacaru
                                               Cereus jamacaru subsp. calcirupicola
                                                     [Cereus calcirupicola subsp. cabralensis]
                                                     [Cereus calcirupicola subsp. cipoensis]
                                                     [Cereus calcirupicola var. cabralensis]
                                                     [Cereus calcirupicola var. cipoensis]
                                                     [Cereus calcirupicola]
                                                     [Piptanthocereus cabralensis]
                                                     [Piptanthocereus calcirupicola]
                                                     [Piptanthocereus cipoensis]
                                               Cereus jamacaru subsp. jamacaru
                                                     [Cereus goiasensis]
                                                     [Cereus jamacaru subsp. goiasensis]
                                                     [Piptanthocereus goiasensis]
                                             Cereus kroenleinii
                                                   [Cereus phatnospermus subsp. kroenleinii]
                                                   [Monvillea kroenleinii]
                                             Cereus lamprospermus
                                               Cereus lamprospermus subsp. colosseus
                                               Cereus lamprospermus subsp. lamprospermus
                                             Cereus lanosus
                                                   [Piptanthocereus lanosus]
                                             Cereus lauterbachii
                                             Cereus litoralis
                                             Cereus maritimus
                                             Cereus markgrafii
                                             Cereus melanurus
                                             Cereus minensis
                                             Cereus mirabella
                                                   [Monvillea minensis]
                                             Cereus mojavensis
                                             Cereus mortensenii
                                                   [Pilocereus mortensenii]
                                                   [Pilosocereus gruberi]
                                                   [Pilosocereus mortensenii]
                                             Cereus munzii
                                             Cereus nashii
                                                   [Harrisia nashii]
                                             Cereus nudiflorus
                                             Cereus orcuttii
                                             Cereus pecten-aboriginum
                                             Cereus pectinatus
                                             Cereus pentalophus
                                             Cereus peruvianus
                                                   [Cactus peruvianus]
                                             Cereus phaeacanthus
                                             Cereus phatnospermus
                                                   [Cereus adelmarii]
                                                   [Monvillea adelmarii]
                                                   [Monvillea phatnosperma]
                                             Cereus phoeniceus
                                               Cereus phoeniceus var. pacificus
                                             Cereus pierre-braunianus
                                             Cereus polyacanthus
                                             Cereus portoricensis
                                             Cereus pringlei
                                             Cereus quadricostatus
                                             Cereus repandus
                                                   [Cactus repandus]
                                                   [Cereus atroviridis]
                                                   [Cereus grenadensis]
                                                   [Cereus margaritensis]
                                             Cereus robinii
                                               Cereus robinii var. deeringii
                                               Cereus robinii var. keyensis
                                             Cereus roetteri
                                             Cereus saddianus
                                                   [Monvillea saddiana]
                                             Cereus smithianus
                                             Cereus speciosissimus
                                             Cereus spegazzinii
                                                   [Cereus anisitsii]
                                                   [Cereus haageanus]
                                                   [Monvillea ebenacantha]
                                                   [Monvillea haageana]
                                                   [Monvillea lindenzweigiana]
                                                   [Monvillea spegazzinii]
                                             Cereus spinulosus
                                             Cereus stellatus
                                             Cereus stenogonus
                                                   [Cereus dayamii]
                                                   [Cereus roseiflorus]
                                                   [Cereus tacuaralensis]
                                                   [Piptanthocereus dayamii]
                                                   [Piptanthocereus stenogonus]
                                             Cereus stramineus
                                             Cereus strictus
                                             Cereus trigonodendron
                                             Cereus trigonus
                                             Cereus undatus
                                             Cereus undulosus
                                             Cereus vargasianus
                                             Cereus variabilis
                                             Cereus viridflorus
                                             Cereus viridiflorus
                                               Cereus viridiflorus var. cylindricus
                                             Cereus yunckeri
                                     Chamaecereus
                                     Chiapasia
                                     Cinnabarinea
                                     Cipocereus
                                             Cipocereus bradei
                                             Cipocereus crassisepalus
                                             Cipocereus laniflorus
                                             Cipocereus minensis
                                               Cipocereus minensis subsp. leiocarpus
                                               Cipocereus minensis subsp. minensis
                                                     [Cipocereus minensis subsp. pleurocarpus]
                                             Cipocereus pleurocarpus
                                             Cipocereus pusilliflorus
                                     Cleistocactus
                                             Cleistocactus acanthurus
                                                   [Borzicactus acanthurus]
                                                   [Cereus acanthurus]
                                                   [Loxanthocereus acanthurus]
                                               Cleistocactus acanthurus subsp. acanthurus
                                                     [Cleistocactus erectispinus]
                                                     [Haageocereus paradoxus]
                                                     [Loxanthocereus bicolor]
                                                     [Loxanthocereus convergens]
                                                     [Loxanthocereus cullmannianus]
                                                     [Loxanthocereus eremiticus]
                                                     [Loxanthocereus erigens]
                                                     [Loxanthocereus eriotrichus]
                                                     [Loxanthocereus eulalianus]
                                                     [Loxanthocereus gracilispinus]
                                                     [Loxanthocereus keller-badensis]
                                                     [Loxanthocereus multifloccosus]
                                                     [Loxanthocereus neglectus var. chimbotensis]
                                                     [Loxanthocereus neglectus]
                                                     [Loxanthocereus pacaranensis]
                                               Cleistocactus acanthurus subsp. faustianus
                                                     [Borzicactus faustianus]
                                                     [Loxanthocereus faustianus]
                                               Cleistocactus acanthurus subsp. pullatus
                                                     [Loxanthocereus pullatus]
                                             Cleistocactus ayopayanus
                                             Cleistocactus baumannii
                                                   [Cereus baumannii]
                                               Cleistocactus baumannii subsp. baumannii
                                                     [Cleistocactus bruneispinus]
                                                     [Cleistocactus flavispinus]
                                               Cleistocactus baumannii subsp. horstii
                                                     [Cleistocactus horstii]
                                               Cleistocactus baumannii subsp. santacruzensis
                                                     [Cleistocactus anguinus]
                                                     [Cleistocactus baumannii subsp. anguinus]
                                                     [Cleistocactus baumannii subsp. chacoanus]
                                                     [Cleistocactus baumannii subsp. croceiflorus]
                                                     [Cleistocactus chacoanus]
                                                     [Cleistocactus croceiflorus]
                                                     [Cleistocactus grossei]
                                                     [Cleistocactus paraguariensis]
                                                     [Cleistocactus santacruzensis]
                                             Cleistocactus brookeae
                                                   [Cleistocactus wendlandiorum]
                                               Cleistocactus brookeae subsp. brookeae
                                               Cleistocactus brookeae subsp. vulpis-cauda
                                             Cleistocactus buchtienii
                                                   [Cleistocactus angosturensis]
                                                   [Cleistocactus orthogonus]
                                                   [Cleistocactus palhuayensis]
                                                   [Cleistocactus ressinianus]
                                                   [Cleistocactus sucrensis]
                                                   [Cleistocactus tupizensis]
                                                   [Cleistocactus viridiflorus]
                                             Cleistocactus candelilla
                                                   [Cleistocactus dependens]
                                                   [Cleistocactus ianthinus]
                                                   [Cleistocactus pojoensis]
                                                   [Cleistocactus vallegrandensis]
                                               Cleistocactus candelilla subsp. candelilla
                                               Cleistocactus candelilla subsp. piraymirensis
                                                     [Cleistocactus muyurinensis]
                                                     [Cleistocactus piraymirensis]
                                             Cleistocactus chrysocephalus
                                             Cleistocactus fieldianus
                                                   [Borzicactus fieldianus]
                                               Cleistocactus fieldianus subsp. fieldianus
                                                     [Borzicactus cajamarcensis]
                                                     [Borzicactus calviflorus]
                                               Cleistocactus fieldianus subsp. tessellatus
                                                     [Borzicactus tessellatus]
                                             Cleistocactus hoffmannii
                                                   [Loxanthocereus hoffmannii]
                                             Cleistocactus hyalacanthus
                                                   [Cereus hyalacanthus]
                                                   [Cleistocactus azerensis]
                                                   [Cleistocactus jujuyensis]
                                               Cleistocactus hyalacanthus subsp. hyalacanthus
                                               Cleistocactus hyalacanthus subsp. tarijensis
                                                     [Cleistocactus compactus]
                                                     [Cleistocactus hildegardiae]
                                             Cleistocactus hystrix
                                                   [Cleistocactus clavispinus]
                                                   [Cleistocactus peculiaris]
                                                   [Loxanthocereus canetensis]
                                                   [Loxanthocereus deserticola]
                                                   [Loxanthocereus ferrugineus]
                                                   [Loxanthocereus hystrix]
                                                   [Loxanthocereus montanus]
                                                   [Loxanthocereus peculiaris]
                                             Cleistocactus icosagonus
                                                   [Borzicactus aurivillus]
                                                   [Borzicactus icosagonus]
                                                   [Cleistocactus humboldtii]
                                                   [Cleistocactus roseiflorus]
                                                   [Cleistocactus x crassiserpens]
                                                   [Loxanthocereus trujilloensis]
                                             Cleistocactus jajoanus
                                                   [Borzicactus jajoanus]
                                                   [Loxanthocereus jajoianus]
                                                   [Loxanthocereus riomajensis]
                                             Cleistocactus laniceps
                                                   [Cereus laniceps]
                                             Cleistocactus leonensis
                                             Cleistocactus longiserpens
                                             Cleistocactus luribayensis
                                                   [Cleistocactus glaucus]
                                                   [Cleistocactus granjaensis]
                                             Cleistocactus micropetalus
                                             Cleistocactus morawetzianus
                                                   [Cleistocactus villaazuensis]
                                                   [Cleistocactus villaazulensis]
                                                   [Corryocactus heteracanthus]
                                             Cleistocactus neoroezlii
                                                   [Borzicactus neoroezlii]
                                                   [Cleistocactus serpens]
                                             Cleistocactus pachycladus
                                                   [Loxanthocereus pachycladus]
                                                   [Loxanthocereus piscoensis]
                                                   [Loxanthocereus yauyosensis]
                                                   [Oreocereus piscoensis]
                                             Cleistocactus parapetiensis
                                             Cleistocactus parviflorus
                                                   [Cereus parviflorus]
                                                   [Cleistocactus areolatus]
                                                   [Cleistocactus fusiflorus]
                                                   [Cleistocactus herzogianus]
                                             Cleistocactus plagiostoma
                                                   [Borzicactus plagiostoma]
                                                   [Borzicactus purpureus]
                                                   [Borzicactus samnensis]
                                                   [Cereus plagiostoma]
                                                   [Cleistocactus fieldianus subsp. samnensis]
                                             Cleistocactus pungens
                                                   [Cleistocactus brevispinus]
                                                   [Loxanthocereus brevispinus]
                                             Cleistocactus pycnacanthus
                                                   [Cleistocactus morawetzianus var. pycnacanthus]
                                             Cleistocactus reae
                                             Cleistocactus ritteri
                                             Cleistocactus samaipatanus
                                                   [Bolivicereus brevicaulis]
                                                   [Bolivicereus croceus]
                                                   [Bolivicereus rufus]
                                                   [Bolivicereus samaipatanus var. multiflorus]
                                                   [Bolivicereus samaipatanus]
                                                   [Borzicactus samaipatanus]
                                             Cleistocactus sepium
                                                   [Borzicactus aequatorialis]
                                                   [Borzicactus morleyanus]
                                                   [Borzicactus sepium]
                                                   [Borzicactus ventimigliae]
                                                   [Borzicactus websterianus var. rufispinus]
                                                   [Borzicactus websterianus]
                                                   [Cactus sepium]
                                                   [Cleistocactus chotaensis]
                                                   [Cleistocactus roezlii]
                                                   [Matucana weberbaueri]
                                               Cleistocactus sepium var. morleyanus
                                               Cleistocactus sepium var. sepium
                                               Cleistocactus sepium var. ventimigliae
                                             Cleistocactus sextonianus
                                                   [Borzicactus sextonianus]
                                                   [Erdisia sextoniana]
                                                   [Loxanthocereus aticensis]
                                                   [Loxanthocereus camanaensis]
                                                   [Loxanthocereus nanus]
                                                   [Loxanthocereus puquiensis]
                                                   [Loxanthocereus sextonianus]
                                                   [Loxanthocereus splendens]
                                                   [Loxanthocereus variabilis]
                                             Cleistocactus smaragdiflorus
                                                   [Cleistocactus ferrarii]
                                             Cleistocactus strausii
                                                   [Pilocereus strausii]
                                             Cleistocactus sulcifer
                                                   [Borzicactus pseudothelegonus]
                                                   [Borzicactus sulcifer]
                                                   [Cleistocactus granditessellatus]
                                                   [Loxanthocereus granditessellatus]
                                                   [Loxanthocereus otuscensis]
                                                   [Loxanthocereus parvitesselatus]
                                                   [Loxanthocereus sulcifer]
                                             Cleistocactus tarijensis
                                             Cleistocactus tenuiserpens
                                                   [Borzicactus tenuiserpens]
                                             Cleistocactus tominensis
                                                   [Cereus tominensis]
                                                   [Cleistocactus capadalensis]
                                                   [Cleistocactus clavicaulis]
                                                   [Cleistocactus crassicaulis]
                                                   [Cleistocactus mendozae]
                                                   [Cleistocactus viridialabastri]
                                               Cleistocactus tominensis subsp. micropetalus
                                               Cleistocactus tominensis subsp. tominensis
                                             Cleistocactus varispinus
                                             Cleistocactus vulpis-cauda
                                             Cleistocactus winteri
                                               Cleistocactus winteri subsp. colademono
                                               Cleistocactus winteri subsp. winteri
                                             Cleistocactus xylorhizus
                                                   [Loxanthocereus xylorhizus]
                                     Cochemiea
                                             Cochemiea grahamii
                                                   [Cactus grahamii]
                                             Cochemiea halei
                                                   [Mammillaria halei]
                                             Cochemiea inexpectata
                                                   [Neolloydia inexpectata]
                                             Cochemiea maritima
                                                   [Mammillaria maritima]
                                             Cochemiea mazatlanensis
                                             Cochemiea pondii
                                                   [Mammillaria pondii subsp. maritima]
                                                   [Mammillaria pondii subsp. pondii]
                                                   [Mammillaria pondii subsp. setispina]
                                                   [Mammillaria pondii]
                                             Cochemiea poselgeri
                                                   [Mammillaria poselgeri]
                                             Cochemiea setispina
                                                   [Mammillaria setispina]
                                     Cochiseia
                                     Coleocephalocereus
                                             Coleocephalocereus albicephalus
                                             Coleocephalocereus aureus
                                                   [Coleocephalocereus brevicylindricus]
                                                   [Coleocephalocereus elongatus]
                                             Coleocephalocereus braunii
                                             Coleocephalocereus buxbaumianus
                                               Coleocephalocereus buxbaumianus subsp. buxbaumianus
                                               Coleocephalocereus buxbaumianus subsp. flavisetus
                                             Coleocephalocereus diersianus
                                             Coleocephalocereus dybowskii
                                             Coleocephalocereus estevesii
                                             Coleocephalocereus flavisetus
                                             Coleocephalocereus fluminensis
                                                   [Cephalocereus fluminensis]
                                                   [Cereus fluminensis]
                                                   [Cereus melocactus]
                                               Coleocephalocereus fluminensis subsp. decumbens
                                                     [Coleocephalocereus decumbens]
                                               Coleocephalocereus fluminensis subsp. fluminensis
                                                     [Coleocephalocereus fluminensis subsp. braamhaarii]
                                                     [Coleocephalocereus fluminensis subsp. paulensis]
                                                     [Coleocephalocereus fluminensis var. braamhaarii]
                                                     [Leocereus paulensis]
                                             Coleocephalocereus goebelianus
                                                   [Cereus goebelianus]
                                             Coleocephalocereus lehmannianus
                                             Coleocephalocereus pluricostatus
                                                   [Coleocephalocereus pluricostatus subsp. uebelmanniorum]
                                                   [Coleocephalocereus uebelmanniorum]
                                             Coleocephalocereus purpureus
                                     Coloradoa
                                     Consolea
                                             Consolea corallicola
                                                   [Cactus spinosissimus]
                                                   [Opuntia corallicola]
                                                   [Opuntia spinosissima]
                                             Consolea falcata
                                             Consolea macracantha
                                                   [Consolea microcarpa]
                                                   [Consolea millspaughii subsp. caymanensis]
                                                   [Consolea millspaughii var. caymanensis]
                                                   [Consolea millspaughii]
                                                   [Consolea nashii subsp. gibarensis]
                                                   [Consolea nashii]
                                                   [Consolea picardae]
                                                   [Opuntia falcata]
                                                   [Opuntia millspaughii]
                                                   [Opuntia nashii]
                                                   [Opuntia picardae]
                                             Consolea moniliformis
                                                   [Consolea moniliformis subsp. guantanamana]
                                                   [Opuntia haitiensis]
                                                   [Opuntia testudinis var. crus]
                                                   [Opuntia urbaniana]
                                               Consolea moniliformis subsp. rubescens
                                                     [Opuntia guanicana]
                                             Consolea rubescens
                                                   [Opuntia rubescens]
                                             Consolea spinosissima
                                     Copiapoa
                                           [Copiapoa macracantha]
                                             Copiapoa ahremephiana
                                             Copiapoa angustiflora
                                             Copiapoa atacamensis
                                             Copiapoa boliviana
                                             Copiapoa calderana
                                               Copiapoa calderana subsp. calderana
                                             Copiapoa calderiana
                                               Copiapoa calderiana subsp. atacamensis
                                               Copiapoa calderiana subsp. calderiana
                                             Copiapoa cinerascens
                                                   [Copiapoa copiapensis]
                                             Copiapoa cinerea
                                               Copiapoa cinerea subsp. cinerea
                                               Copiapoa cinerea subsp. columna-alba
                                                     [Copiapoa columna-alba]
                                                     [Copiapoa melanohystrix]
                                               Copiapoa cinerea subsp. haseltoniana
                                                     [Copiapoa cinerea var. gigantea]
                                                     [Copiapoa eremophila]
                                                     [Copiapoa gigantea]
                                                     [Copiapoa haseltoniana]
                                                     [Copiapoa tenebrosa]
                                             Copiapoa coquimbana
                                                   [Copiapoa alticostata]
                                                   [Copiapoa coquimbana var. wagenknechtii]
                                                   [Copiapoa pendulina]
                                                   [Copiapoa pepiniana]
                                                   [Copiapoa pseudocoquimbana]
                                                   [Copiapoa vallenarensis]
                                                   [Echinocactus coquimbanus]
                                             Copiapoa dealbata
                                                   [Copiapoa carrizalensis]
                                                   [Copiapoa cinerea subsp. dealbata]
                                                   [Copiapoa cinerea var. dealbata]
                                             Copiapoa decorticans
                                             Copiapoa echinoides
                                                   [Copiapoa bridgesii]
                                                   [Copiapoa cuprea]
                                                   [Copiapoa cupreata]
                                                   [Copiapoa dura]
                                             Copiapoa esmeraldana
                                             Copiapoa fiedleriana
                                                   [Echinocactus fiedlerianus]
                                             Copiapoa grandiflora
                                                   [Copiapoa montana subsp. grandiflora]
                                             Copiapoa humilis
                                                   [Copiapoa chanaralensis]
                                                   [Copiapoa chaniaralensis]
                                                   [Copiapoa longispina]
                                                   [Echinocactus humilis]
                                               Copiapoa humilis subsp. humilis
                                                     [Copiapoa humilis subsp. australis]
                                               Copiapoa humilis subsp. tenuissima
                                                     [Copiapoa hypogaea subsp. tenuissima]
                                                     [Copiapoa tenuissima]
                                               Copiapoa humilis subsp. tocopillana
                                               Copiapoa humilis subsp. variispinata
                                                     [Copiapoa paposoensis]
                                                     [Copiapoa variispinata]
                                                     [Copiapoa varispinata]
                                               Copiapoa humilis var. paposoensis
                                             Copiapoa hypogaea
                                               Copiapoa hypogaea subsp. hypogaea
                                               Copiapoa hypogaea subsp. laui
                                                     [Copiapoa laui]
                                             Copiapoa krainziana
                                                   [Copiapoa cinerea subsp. krainziana]
                                                   [Copiapoa cinerea var. krainziana]
                                             Copiapoa lembckei
                                             Copiapoa longistaminea
                                                   [Copiapoa calderana subsp. longistaminea]
                                                   [Copiapoa calderiana subsp. longistaminea]
                                                   [Copiapoa cinerea subsp. longistaminea]
                                                   [Copiapoa cinerea var. longistaminea]
                                             Copiapoa malletiana
                                             Copiapoa marginata
                                                   [Copiapoa streptocaulon]
                                             Copiapoa megarhiza
                                               Copiapoa megarhiza var. echinata
                                                     [Copiapoa echinata]
                                                     [Copiapoa totoralensis]
                                               Copiapoa megarhiza var. megarhiza
                                             Copiapoa mollicula
                                             Copiapoa montana
                                                   [Copiapoa montana subsp. montana]
                                                   [Copiapoa olivana]
                                                   [Copiapoa rarissima]
                                             Copiapoa rupestris
                                               Copiapoa rupestris subsp. desertorum
                                             Copiapoa serpentisulcata
                                             Copiapoa solaris
                                                   [Copiapoa ferox]
                                             Copiapoa taltalensis
                                                   [Copiapoa aphanes]
                                                   [Echinocactus taltalensis]
                                               Copiapoa taltalensis subsp. desertorum
                                                     [Copiapoa desertorum]
                                               Copiapoa taltalensis subsp. taltalensis
                                                     [Copiapoa hornilloensis]
                                                     [Copiapoa rubriflora]
                                             Copiapoa tocopillana
                                     Corryocactus
                                             Corryocactus apiciflorus
                                                   [Cereus apiciflorus]
                                                   [Corryocactus huincoensis]
                                                   [Corryocactus matucanensis]
                                                   [Corryocactus melaleucus]
                                                   [Corryocactus solitarius]
                                                   [Corryocactus tenuiculus]
                                                   [Erdisia apiciflora]
                                                   [Erdisia fortalezensis]
                                                   [Erdisia tenuicula]
                                             Corryocactus aureus
                                                   [Borzicactus pisacensis]
                                                   [Borzicactus soukupii]
                                                   [Corryocactus acervatus]
                                                   [Corryocactus cuajonesensis]
                                                   [Corryocactus megarhizus]
                                                   [Corryocactus prostratus]
                                                   [Erdisia aureispina]
                                                   [Erdisia meyenii]
                                             Corryocactus ayacuchoensis
                                             Corryocactus brachypetalus
                                                   [Cereus brachypetalus]
                                             Corryocactus brevistylus
                                                   [Cereus brevistylus]
                                                   [Corryocactus brevispinus]
                                                   [Corryocactus brevistylus var. puquiensis]
                                                   [Corryocactus krausii]
                                                   [Corryocactus pachycladus]
                                               Corryocactus brevistylus subsp. brevistylus
                                               Corryocactus brevistylus subsp. puquiensis
                                                     [Corryocactus puquiensis]
                                             Corryocactus chachapoyensis
                                             Corryocactus erectus
                                                   [Erdisia erecta]
                                             Corryocactus melanotrichus
                                                   [Cereus melanotrichus]
                                                   [Corryocactus ayopayanus]
                                                   [Corryocactus charazanensis]
                                                   [Corryocactus otuyensis]
                                                   [Corryocactus perezianus]
                                                   [Corryocactus pulquinensis]
                                             Corryocactus quadrangularis
                                                   [Erdisia quadrangularis]
                                             Corryocactus serpens
                                             Corryocactus squarrosus
                                                   [Cereus squarrosus]
                                                   [Corryocactus brachycladus]
                                                   [Corryocactus chavinilloensis]
                                                   [Corryocactus gracilis]
                                                   [Corryocactus maximus]
                                                   [Corryocactus odoratus]
                                                   [Corryocactus pilispinus]
                                                   [Corryocactus pyroporphyranthus]
                                                   [Corryocactus quivillanus]
                                                   [Erdisia maxima]
                                                   [Erdisia squarrosa]
                                             Corryocactus tarijensis
                                     Corynopuntia
                                             Corynopuntia aggeria
                                             Corynopuntia bulbispina
                                                   [Opuntia bulbispina]
                                             Corynopuntia grahamii
                                             Corynopuntia moelleri
                                                   [Opuntia moelleri]
                                             Corynopuntia schottii
                                             Corynopuntia stanleyi
                                             Corynopuntia vilis
                                                   [Opuntia vilis]
                                     Coryphantha
                                             Coryphantha alversonii
                                                   [Coryphantha vivipara var. alversonii]
                                                   [Escobaria alversonii]
                                                   [Escobaria vivipara var. alversonii]
                                                   [Mammillaria alversonii]
                                             Coryphantha bernalensis
                                             Coryphantha bumamma
                                             Coryphantha chaffeyi
                                             Coryphantha chihuahuensis
                                             Coryphantha clavata
                                                   [Mammillaria clavata]
                                                   [Neolloydia clavata]
                                               Coryphantha clavata subsp. clavata
                                                     [Coryphantha unicornis]
                                               Coryphantha clavata subsp. stipitata
                                             Coryphantha compacta
                                                   [Coryphantha palmeri]
                                                   [Mammillaria compacta]
                                             Coryphantha cornifera
                                                   [Cactus cornifer]
                                                   [Cactus radians var. pectinoides]
                                                   [Coryphantha cornuta]
                                                   [Coryphantha schwarziana]
                                             Coryphantha cuencamensis
                                             Coryphantha delaetiana
                                                   [Coryphantha gladiispina]
                                                   [Coryphantha salm-dyckiana]
                                                   [Mammillaria delaetiana]
                                             Coryphantha delicata
                                                   [Coryphantha panarottoi]
                                             Coryphantha difficilis
                                                   [Coryphantha densispina]
                                                   [Mammillaria difficilis]
                                             Coryphantha duncanii
                                                   [Escobaria dasyacantha var. duncanii]
                                                   [Escobaria duncanii]
                                                   [Mammillaria duncanii]
                                             Coryphantha durangensis
                                                   [Mammillaria durangensis]
                                               Coryphantha durangensis subsp. cuencamensis
                                               Coryphantha durangensis subsp. durangensis
                                             Coryphantha echinoidea
                                                   [Mammillaria echinoidea]
                                             Coryphantha echinus
                                                   [Coryphantha cornifera var. echinus]
                                                   [Coryphantha pectinata]
                                                   [Mammillaria echinus]
                                                   [Mammillaria pectinata]
                                               Coryphantha echinus var. echinus
                                               Coryphantha echinus var. robusta
                                             Coryphantha elephantidens
                                                   [Coryphantha garessii]
                                               Coryphantha elephantidens subsp. bumamma
                                                     [Mammillaria elephantidens var. bumamma]
                                               Coryphantha elephantidens subsp. elephantidens
                                                     [Coryphantha recurvispina]
                                               Coryphantha elephantidens subsp. greenwoodii
                                                     [Coryphantha greenwoodii]
                                             Coryphantha erecta
                                             Coryphantha georgii
                                             Coryphantha glanduligera
                                                   [Coryphantha bergeriana]
                                                   [Mammillaria glanduligera]
                                             Coryphantha glassii
                                             Coryphantha gracilis
                                             Coryphantha grata
                                             Coryphantha hesteri
                                                   [Escobaria hesteri]
                                             Coryphantha hintoniorum
                                               Coryphantha hintoniorum subsp. geoffreyi
                                               Coryphantha hintoniorum subsp. hintoniorum
                                             Coryphantha jalpanensis
                                             Coryphantha jaumavei
                                             Coryphantha kracikii
                                             Coryphantha laredoi
                                             Coryphantha laui
                                             Coryphantha longicornis
                                                   [Coryphantha grandis]
                                             Coryphantha macromeris
                                               Coryphantha macromeris subsp. macromeris
                                               Coryphantha macromeris subsp. runyonii
                                                     [Coryphantha pirtlei]
                                               Coryphantha macromeris var. macromeris
                                               Coryphantha macromeris var. runyonii
                                             Coryphantha maiz-tablasensis
                                             Coryphantha maliterrarum
                                             Coryphantha minima
                                                   [Escobaria minima]
                                             Coryphantha muehlenpfordtii
                                             Coryphantha neglecta
                                             Coryphantha nickelsiae
                                                   [Coryphantha calochlora]
                                                   [Mammillaria nickelsae]
                                             Coryphantha octacantha
                                                   [Mammillaria octacantha]
                                             Coryphantha odorata
                                                   [Neolloydia odorata]
                                             Coryphantha orcuttii
                                             Coryphantha ottonis
                                                   [Coryphantha bussleri]
                                                   [Coryphantha guerkeana]
                                             Coryphantha pallida
                                               Coryphantha pallida subsp. calipensis
                                                     [Coryphantha calipensis]
                                               Coryphantha pallida subsp. pallida
                                                     [Coryphantha pseudoradians]
                                                     [Coryphantha reduncispina]
                                                     [Coryphantha reduncuspina]
                                             Coryphantha poselgeriana
                                                   [Coryphantha valida]
                                                   [Echinocactus poselgerianus]
                                             Coryphantha potosiana
                                                   [Mammillaria potosiana]
                                             Coryphantha pottsiana
                                             Coryphantha pseudoechinus
                                               Coryphantha pseudoechinus subsp. laui
                                               Coryphantha pseudoechinus subsp. pseudoechinus
                                             Coryphantha pseudonickelsae
                                                   [Coryphantha indensis]
                                             Coryphantha pulleineana
                                                   [Neolloydia pulleineana]
                                             Coryphantha pusilliflora
                                             Coryphantha pycnacantha
                                                   [Coryphantha andreae]
                                                   [Coryphantha conimamma]
                                                   [Coryphantha connivens]
                                                   [Mammillaria pycnacantha]
                                             Coryphantha radians
                                             Coryphantha ramillosa
                                                   [Mammillaria ramillosa]
                                               Coryphantha ramillosa subsp. ramillosa
                                               Coryphantha ramillosa subsp. santarosa
                                             Coryphantha recurvata
                                                   [Mammillaria recurvata]
                                             Coryphantha retusa
                                                   [Coryphantha melleospina]
                                             Coryphantha robbinsiorum
                                             Coryphantha robbinsorum
                                                   [Cochiseia robbinsorum]
                                                   [Escobaria robbinsiorum]
                                                   [Escobaria robbinsorum]
                                             Coryphantha robertii
                                             Coryphantha robustispina
                                                   [Cactus robustispinus]
                                                   [Mammillaria robustispina]
                                               Coryphantha robustispina subsp. robustispina
                                                     [Coryphantha muehlenpfordtii subsp. robustispina]
                                                     [Coryphantha muehlenpfordtii var. robustispina]
                                               Coryphantha robustispina subsp. scheeri
                                                     [Coryphantha neoscheeri]
                                                     [Coryphantha scheeri var. robustispina]
                                                     [Coryphantha scheeri var. scheeri]
                                                     [Coryphantha scheeri var. valida]
                                                     [Coryphantha scheeri]
                                                     [Mammillaria scheeri var. valida]
                                                     [Mammillaria scheeri]
                                               Coryphantha robustispina subsp. uncinata
                                                     [Coryphantha scheeri var. uncinata]
                                             Coryphantha runyonii
                                             Coryphantha salinensis
                                                   [Coryphantha borwigii]
                                                   [Echinocactus salinensis]
                                             Coryphantha scolymoides
                                             Coryphantha sulcata
                                                   [Coryphantha obscura]
                                                   [Coryphantha roederiana]
                                                   [Coryphantha speciosa]
                                               Coryphantha sulcata var. nickelsiae
                                               Coryphantha sulcata var. sulcata
                                             Coryphantha sulcolanata
                                             Coryphantha tripugionacantha
                                             Coryphantha tuberculosa
                                                   [Coryphantha dasyacantha var. varicolor]
                                                   [Coryphantha strobiliformis var. strobiliformis]
                                                   [Coryphantha strobiliformis]
                                                   [Escobaria dasyacantha var. varicolor]
                                                   [Escobaria strobiliformis]
                                                   [Escobaria tuberculosa var. varicolor]
                                                   [Mammillaria tuberculosa]
                                                   [Mammillaria varicolor]
                                               Coryphantha tuberculosa var. tuberculosa
                                             Coryphantha vaupeliana
                                             Coryphantha villarensis
                                             Coryphantha vivipara
                                               Coryphantha vivipara var. deserti
                                                     [Coryphantha chlorantha]
                                                     [Coryphantha deserti]
                                                     [Coryphantha vivipara var. buoflama]
                                                     [Escobaria vivipara var. buoflama]
                                                     [Escobaria vivipara var. deserti]
                                                     [Mammillaria chlorantha]
                                                     [Mammillaria deserti]
                                                     [Mammillaria vivipara var. deserti]
                                               Coryphantha vivipara var. vivipara
                                                     [Coryphantha arizonica]
                                                     [Coryphantha bisbeeana]
                                                     [Coryphantha fragrans]
                                                     [Coryphantha neomexicana]
                                                     [Coryphantha radiosa]
                                                     [Coryphantha rosea]
                                                     [Coryphantha vivipara var. arizonica]
                                                     [Coryphantha vivipara var. bisbeeana]
                                                     [Coryphantha vivipara var. kaibabensis]
                                                     [Coryphantha vivipara var. neomexicana]
                                                     [Coryphantha vivipara var. radiosa]
                                                     [Coryphantha vivipara var. rosea]
                                                     [Escobaria vivipara var. arizonica]
                                                     [Escobaria vivipara var. bisbeeana]
                                                     [Escobaria vivipara var. kaibabensis]
                                                     [Escobaria vivipara var. neomexicana]
                                                     [Escobaria vivipara var. radiosa]
                                                     [Escobaria vivipara var. rosea]
                                                     [Escobaria vivipara var. vivipara]
                                                     [Escobaria vivipara]
                                                     [Mammillaria arizonica]
                                                     [Mammillaria neomexicana]
                                                     [Mammillaria radiosa]
                                                     [Mammillaria vivipara var. arizonica]
                                                     [Mammillaria vivipara var. borealis]
                                                     [Mammillaria vivipara var. neomexicana]
                                                     [Mammillaria vivipara var. radiosa]
                                                     [Mammillaria vivipara]
                                             Coryphantha vogtherriana
                                             Coryphantha werdermannii
                                             Coryphantha wohlschlageri
                                     Cumulopuntia
                                             Cumulopuntia boliviana
                                                   [Cumulopuntia famatinensis]
                                                   [Cumulopuntia pampana]
                                                   [Maihueniopsis boliviana]
                                                   [Opuntia boliviana]
                                                   [Tephrocactus albiscoparius]
                                                   [Tephrocactus asplundii]
                                                   [Tephrocactus bolivianus]
                                                   [Tephrocactus melanacanthus]
                                               Cumulopuntia boliviana subsp. boliviana
                                                     [Cumulopuntia fulvicoma]
                                                     [Cumulopuntia galerasensis]
                                                     [Cumulopuntia pyrrhacantha]
                                                     [Cumulopuntia recurvata]
                                                     [Maihueniopsis pentlandii]
                                                     [Opuntia backebergii]
                                                     [Opuntia fulvicoma]
                                                     [Opuntia galerasensis]
                                                     [Opuntia pentlandii]
                                                     [Opuntia pyrrhacantha]
                                                     [Tephrocactus fulvicomus]
                                                     [Tephrocactus pentlandii]
                                                     [Tephrocactus pyrrhacanthus]
                                                     [Tephrocactus rarissimus]
                                                     [Tephrocactus subinermis]
                                                     [Tephrocactus wilkeanus]
                                               Cumulopuntia boliviana subsp. dactylifera
                                                     [Cumulopuntia dactylifera]
                                                     [Opuntia dactylifera]
                                                     [Tephrocactus dactyliferus]
                                                     [Tephrocactus noodtiae]
                                               Cumulopuntia boliviana subsp. echinacea
                                                     [Cumulopuntia echinacea]
                                                     [Tephrocactus echinaceus]
                                               Cumulopuntia boliviana subsp. ignescens
                                                     [Cumulopuntia frigida]
                                                     [Cumulopuntia mistiensis]
                                                     [Cumulopuntia ticnamarensis]
                                                     [Opuntia frigida]
                                                     [Opuntia guatinensis]
                                                     [Opuntia ignescens]
                                                     [Opuntia mistiensis]
                                                     [Opuntia sanctae-barbarae]
                                                     [Opuntia ticnamarensis]
                                                     [Tephrocactus ignescens]
                                                     [Tephrocactus mistiensis]
                                             Cumulopuntia chichensis
                                                   [Opuntia chichensis]
                                                   [Tephrocactus chichensis]
                                                   [Tephrocactus ferocior]
                                             Cumulopuntia hystrix
                                             Cumulopuntia ignescens
                                             Cumulopuntia rossiana
                                                   [Opuntia rossiana]
                                                   [Tephrocactus microclados]
                                             Cumulopuntia sphaerica
                                                   [Cumulopuntia alboareolata]
                                                   [Cumulopuntia berteroi]
                                                   [Cumulopuntia corotilla]
                                                   [Cumulopuntia crassicylindrica]
                                                   [Cumulopuntia ignota]
                                                   [Cumulopuntia kuehnrichiana]
                                                   [Cumulopuntia multiareolata]
                                                   [Cumulopuntia rauppiana]
                                                   [Cumulopuntia tubercularis]
                                                   [Cumulopuntia tumida]
                                                   [Cumulopuntia unguispina]
                                                   [Cumulopuntia zehnderi]
                                                   [Opuntia corotilla]
                                                   [Opuntia crassicylindrica]
                                                   [Opuntia leucophaea]
                                                   [Opuntia tumida]
                                                   [Opuntia unguispina]
                                                   [Opuntia zehnderi]
                                                   [Tephrocactus alboareolatus]
                                                   [Tephrocactus corotilla]
                                                   [Tephrocactus crassicylindricus]
                                                   [Tephrocactus dimorphus]
                                                   [Tephrocactus kuehnrichianus]
                                                   [Tephrocactus mirus]
                                                   [Tephrocactus muellerianus]
                                                   [Tephrocactus multiareolatus]
                                                   [Tephrocactus sphaericus]
                                                   [Tephrocactus zehnderi]
                                             Cumulopuntia tortispina
                                     Cylindropuntia
                                             Cylindropuntia X deserta
                                                   [Opuntia x deserta]
                                             Cylindropuntia abyssi
                                                   [Cylindropuntia abysii]
                                                   [Opuntia abysii]
                                             Cylindropuntia acanthocarpa
                                                   [Opuntia acanthocarpa var. ramosa]
                                                   [Opuntia acanthocarpa]
                                               Cylindropuntia acanthocarpa subsp. acanthocarpa
                                                     [Opuntia acanthocarpa subsp. acanthocarpa]
                                               Cylindropuntia acanthocarpa subsp. coloradensis
                                               Cylindropuntia acanthocarpa subsp. major
                                                     [Cylindropuntia acanthocarpa subsp. ramosa]
                                               Cylindropuntia acanthocarpa subsp. thornberi
                                               Cylindropuntia acanthocarpa var. acanthocarpa
                                                     [Opuntia acanthocarpa var. acanthocarpa]
                                               Cylindropuntia acanthocarpa var. coloradensis
                                                     [Opuntia acanthocarpa var. coloradensis]
                                               Cylindropuntia acanthocarpa var. major
                                                     [Opuntia acanthocarpa var. major]
                                                     [Opuntia echinocarpa var. major]
                                               Cylindropuntia acanthocarpa var. ramosa
                                               Cylindropuntia acanthocarpa var. thornberi
                                                     [Opuntia acanthocarpa var. thornberi]
                                                     [Opuntia thornberi]
                                             Cylindropuntia acanthocarpa x C. bigelovii
                                             Cylindropuntia acanthocarpa x C. spinosior
                                                           Cylindropuntia acanthocarpa x spinosior
                                             Cylindropuntia alcahes
                                                   [Cylindropuntia alcahes var. burrageana]
                                                   [Cylindropuntia brevispina]
                                               Cylindropuntia alcahes subsp. alcahes
                                               Cylindropuntia alcahes subsp. burrageana
                                                     [Opuntia brevispina]
                                                     [Opuntia echinocarpa var. nuda]
                                               Cylindropuntia alcahes subsp. gigantensis
                                                     [Cylindropuntia alcahes var. gigantensis]
                                               Cylindropuntia alcahes subsp. mcgillii
                                                     [Cylindropuntia alcahes var. mcgillii]
                                                     [Opuntia alcahes]
                                               Cylindropuntia alcahes var. alcahes
                                             Cylindropuntia anteojoensis
                                             Cylindropuntia arbuscula
                                                   [Cylindropuntia vivipara]
                                                   [Opuntia arbuscula]
                                             Cylindropuntia bigelovii
                                                   [Opuntia bigelovii]
                                               Cylindropuntia bigelovii subsp. bigelovii
                                               Cylindropuntia bigelovii subsp. ciribe
                                                     [Cylindropuntia bigelovii var. ciribe]
                                                     [Cylindropuntia ciribe]
                                                     [Opuntia bigelovii var. ciribe]
                                                     [Opuntia ciribe]
                                               Cylindropuntia bigelovii var. bigelovii
                                                     [Opuntia bigelovii var. bigelovii]
                                             Cylindropuntia californica
                                                   [Cereus californicus]
                                               Cylindropuntia californica subsp. californica
                                                     [Cylindropuntia bernardina]
                                               Cylindropuntia californica subsp. delgadilloana
                                                     [Cylindropuntia californica var. delgadilloana]
                                               Cylindropuntia californica subsp. parkeri
                                                     [Cylindropuntia parryi]
                                                     [Opuntia bernardina]
                                                     [Opuntia echinocarpa var. parkeri]
                                                     [Opuntia parryi var. serpentina]
                                               Cylindropuntia californica subsp. rosarica
                                                     [Opuntia rosarica]
                                               Cylindropuntia californica var. californica
                                                     [Opuntia californica var. californica]
                                               Cylindropuntia californica var. parkeri
                                                     [Opuntia californica var. parkeri]
                                                     [Opuntia parryi var. parryi]
                                                     [Opuntia parryi]
                                               Cylindropuntia californica var. rosarica
                                                     [Cylindropuntia rosarica]
                                             Cylindropuntia calmalliana
                                             Cylindropuntia cardenche
                                             Cylindropuntia caribaea
                                                   [Cylindropuntia metuenda]
                                                   [Opuntia caribaea]
                                             Cylindropuntia cedrosensis
                                             Cylindropuntia cholla
                                                   [Opuntia cholla]
                                             Cylindropuntia chuckwallensis
                                             Cylindropuntia clavellina
                                             Cylindropuntia davisii
                                                   [Opuntia davisii]
                                                   [Opuntia tunicata var. davisii]
                                             Cylindropuntia delgadilloana
                                             Cylindropuntia echinocarpa
                                                   [Cylindropuntia wigginsii]
                                                   [Opuntia echinocarpa]
                                                   [Opuntia wigginsi]
                                               Cylindropuntia echinocarpa var. echinocarpa
                                                     [Opuntia echinocarpa var. echinocarpa]
                                             Cylindropuntia fosbergii
                                                   [Opuntia bigelovii var. hoffmannii]
                                                   [Opuntia fosbergii]
                                             Cylindropuntia fulgida
                                                   [Opuntia fulgida]
                                               Cylindropuntia fulgida var. fulgida
                                                     [Opuntia fulgida var. fulgida]
                                               Cylindropuntia fulgida var. mamillata
                                                     [Opuntia fulgida var. mamillata]
                                                     [Opuntia mamillata]
                                             Cylindropuntia ganderi
                                                   [Opuntia acanthocarpa var. ganderi]
                                                   [Opuntia ganderi]
                                               Cylindropuntia ganderi subsp. catavinensis
                                                     [Opuntia acanthocarpa subsp. ganderi]
                                               Cylindropuntia ganderi subsp. ganderi
                                               Cylindropuntia ganderi var. catavinensis
                                               Cylindropuntia ganderi var. ganderi
                                             Cylindropuntia hystrix
                                                   [Opuntia hystrix]
                                             Cylindropuntia imbricata
                                                   [Cylindropuntia lloydii]
                                                   [Opuntia imbricata]
                                               Cylindropuntia imbricata subsp. argentea
                                               Cylindropuntia imbricata subsp. cardenche
                                               Cylindropuntia imbricata subsp. imbricata
                                               Cylindropuntia imbricata var. argentea
                                                     [Opuntia imbricata var. argentea]
                                               Cylindropuntia imbricata var. imbricata
                                                     [Cereus imbricatus]
                                                     [Opuntia arborescens]
                                                     [Opuntia imbricata var. arborescens]
                                                     [Opuntia imbricata var. imbricata]
                                                     [Opuntia imbricata var. vexans]
                                               Cylindropuntia imbricata var. spinotecta
                                                     [Cylindropuntia spinotecta]
                                                     [Opuntia spinotecta]
                                             Cylindropuntia imbricata x spinosior
                                             Cylindropuntia kelvinensis
                                             Cylindropuntia kleiniae
                                                   [Cylindropuntia recondita]
                                                   [Opuntia perrita]
                                                   [Opuntia recondita]
                                             Cylindropuntia leptocalis X acanthocarpa
                                             Cylindropuntia leptocaulis
                                                   [Cylindropuntia brittonii]
                                                   [Opuntia frutescens]
                                                   [Opuntia leptocaulis var. brittonii]
                                                   [Opuntia leptocaulis var. leptocaulis]
                                                   [Opuntia leptocaulis]
                                                   [Opuntia vaginata]
                                             Cylindropuntia leptocaulis x spinosior
                                             Cylindropuntia leptocaulis x thurberi
                                             Cylindropuntia leptocaulis x versicolor
                                             Cylindropuntia leptocaulis x whipplei
                                             Cylindropuntia libertadensis
                                             Cylindropuntia lindsayi
                                                   [Opuntia lindsayi]
                                             Cylindropuntia molesta
                                                   [Cylindropuntia molesta var. clavellina]
                                                   [Opuntia molesta]
                                               Cylindropuntia molesta subsp. clavellina
                                               Cylindropuntia molesta subsp. molesta
                                               Cylindropuntia molesta var. molesta
                                             Cylindropuntia multigeniculata
                                             Cylindropuntia munzii
                                                   [Cylindropuntia x munzii]
                                                   [Opuntia munzii]
                                             Cylindropuntia neoarbuscula
                                             Cylindropuntia prolifera
                                                   [Opuntia prolifera]
                                             Cylindropuntia ramosissima
                                                   [Opuntia ramosissima]
                                                   [Opuntia tessellata]
                                             Cylindropuntia rosea
                                                   [Cylindropuntia imbricata var. rosea]
                                                   [Cylindropuntia pallida]
                                                   [Opuntia pallida]
                                                   [Opuntia rosea]
                                             Cylindropuntia sanfelipensis
                                             Cylindropuntia santamaria
                                                   [Grusonia santamaria]
                                                   [Opuntia santamaria]
                                             Cylindropuntia spinosior
                                                   [Cylindropuntia imbricata subsp. spinosior]
                                                   [Cylindropuntia imbricata var. spinosior]
                                                   [Opuntia spinosior var. neomexicana]
                                                   [Opuntia spinosior]
                                                   [Opuntia whipplei var. spinosior]
                                             Cylindropuntia tesajo
                                                   [Opuntia cineracea]
                                                   [Opuntia tesajo]
                                             Cylindropuntia tetracantha
                                             Cylindropuntia thurberi
                                                   [Opuntia thurberi]
                                               Cylindropuntia thurberi subsp. alamosensis
                                                     [Cylindropuntia alamosensis]
                                                     [Opuntia thurberi var. alamosensis]
                                               Cylindropuntia thurberi subsp. thurberi
                                               Cylindropuntia thurberi var. thurberi
                                             Cylindropuntia tunicata
                                                   [Cactus tunicatus]
                                                   [Opuntia puelchana]
                                                   [Opuntia tunicata var. tunicata]
                                                   [Opuntia tunicata]
                                             Cylindropuntia versicolor
                                                   [Cylindropuntia thurberi subsp. versicolor]
                                                   [Cylindropuntia thurberi var. versicolor]
                                                   [Opuntia thurberi subsp. versicolor]
                                                   [Opuntia thurberi var. versicolor]
                                                   [Opuntia versicolor var. versicolor]
                                                   [Opuntia versicolor var. violacea]
                                                   [Opuntia versicolor]
                                             Cylindropuntia waltoniorum
                                             Cylindropuntia whipplei
                                                   [Cylindropuntia hualpaensis]
                                                   [Opuntia whipplei var. enodis]
                                                   [Opuntia whipplei var. whipplei]
                                                   [Opuntia whipplei]
                                               Cylindropuntia whipplei var. enodis
                                               Cylindropuntia whipplei var. whipplei
                                             Cylindropuntia wolfii
                                                   [Opuntia echinocarpa var. wolfii]
                                                   [Opuntia wolfei]
                                                   [Opuntia wolfii]
                                             Cylindropuntia x congesta
                                                   [Cylindropuntia congesta]
                                                   [Opuntia congesta]
                                                   [Opuntia x congesta]
                                             Cylindropuntia x fosbergii
                                             Cylindropuntia x kelvinensis
                                                   [Opuntia kelvinensis]
                                                   [Opuntia x kelvinensis]
                                             Cylindropuntia x neoarbuscula
                                                   [Opuntia X neoarbuscula]
                                                   [Opuntia neoarbuscula]
                                             Cylindropuntia x tetracantha
                                                   [Opuntia X tetracantha]
                                                   [Opuntia californica]
                                                   [Opuntia kleiniae var. tetracantha]
                                                   [Opuntia tetracantha]
                                             Cylindropuntia x viridiflora
                                                   [Opuntia whipplei var. viridiflora]
                                                   [Opuntia x viridiflora]
                                             Cylindropuntia x vivipara
                                                   [Opuntia X vivipara]
                                                   [Opuntia imbricata var. viridiflora]
                                                   [Opuntia vivipara]
                                             Cylindropuntia × campii
                                                   [Opuntia x campii]
                                             Cylindropuntia × multigeniculata
                                                   [Opuntia multigeniculata]
                                                   [Opuntia whipplei var. multigeniculata]
                                                   [Opuntia x multigeniculata]
                                             Cylindropuntia × viridiflora
                                                   [Cylindropuntia × anasaziensis]
                                     Deamia
                                             Deamia testudo
                                                   [Deamia diabolica]
                                     Dendrocereus
                                             Dendrocereus nudiflorus
                                             Dendrocereus undulosus
                                     Denmoza
                                             Denmoza rhodacantha
                                                   [Denmoza erythrocephalus]
                                                   [Echinocactus rhodacanthus]
                                     Discocactus
                                             Discocactus albispinus
                                             Discocactus araneispinus
                                             Discocactus bahiensis
                                                   [Discocactus bahiensis subsp. subviridigriseus]
                                                   [Discocactus subviridigriseus]
                                             Discocactus boliviensis
                                             Discocactus boomianus
                                             Discocactus buenekeri
                                             Discocactus catingicola
                                                   [Discocactus cangaensis]
                                                   [Discocactus catingicola subsp. rapirhizua]
                                                   [Discocactus catingicola var. griseus]
                                                   [Discocactus crassispinus subsp. araguaiensis]
                                                   [Discocactus crassispinus]
                                                   [Discocactus estevesii]
                                                   [Discocactus griseus]
                                                   [Discocactus heptacanthus subsp. catingicola]
                                                   [Discocactus nigrisaetosus]
                                                   [Discocactus piauiensis]
                                                   [Discocactus praminentigibbus]
                                                   [Discocactus promentigibbus]
                                                   [Discocactus rapirhizus]
                                                   [Discocactus silicicola]
                                                   [Discocactus silvaticus]
                                                   [Discocactus spinosior]
                                             Discocactus diersianus
                                                   [Discocactus cephaliaciculosus subsp. nudicephalus]
                                                   [Discocactus cephaliaciculosus]
                                                   [Discocactus goianus]
                                                   [Discocactus lindaianus]
                                             Discocactus ferricola
                                             Discocactus hartmannii
                                                   [Discocactus hartmannii var. magnimammus]
                                                   [Discocactus hartmannii var. patulifolius]
                                                   [Discocactus heptacanthus subsp. magnimammus]
                                                   [Discocactus magnimammus subsp. bonitoensis]
                                                   [Discocactus magnimammus]
                                                   [Discocactus mamillosus]
                                                   [Discocactus pachythele]
                                                   [Discocactus patulifolius]
                                                   [Echinocactus hartmannii]
                                             Discocactus heptacanthus
                                                   [Discocactus flavispinus]
                                                   [Discocactus heptacanthus subsp. heptacanthus]
                                                   [Discocactus heptacanthus subsp. melanochlorus]
                                                   [Discocactus melanochlorus]
                                                   [Discocactus semicampaniflorus]
                                                   [Discocactus squamibaccatus]
                                                   [Discocactus subterraneo-prolifera]
                                                   [Discocactus subterraneo-proliferans]
                                                   [Malacocarpus heptacanthus]
                                             Discocactus horstii
                                             Discocactus placentiformis
                                                   [Discocactus crystallophilus]
                                                   [Discocactus latispinus]
                                                   [Discocactus multicolorispinus]
                                                   [Discocactus placentiformis subsp. alteolens]
                                                   [Discocactus placentiformis subsp. multicolorispinus]
                                                   [Discocactus placentiformis subsp. pugionacanthus]
                                                   [Discocactus pseudolatispinus]
                                                   [Discocactus pugionacanthus]
                                                   [Discocactus tricornis]
                                             Discocactus pseudoinsignis
                                             Discocactus zehntneri
                                               Discocactus zehntneri subsp. boomianus
                                                     [Discocactus zehntneri subsp. araneispinus]
                                                     [Discocactus zehntneri subsp. buenekeri]
                                                     [Discocactus zehntneri subsp. horstiorum]
                                               Discocactus zehntneri subsp. zehntneri
                                                     [Discocactus zehntneri subsp. albispinus]
                                     Disocactus
                                             Disocactus ackermannii
                                                   [Epiphyllum ackermannii]
                                                   [Nopalxochia ackermannii]
                                                   [Phyllocactus ackermannii]
                                               Disocactus ackermannii subsp. ackermannii
                                               Disocactus ackermannii subsp. conzattianus
                                                     [Nopalxochia conzattiana]
                                             Disocactus amazonicus
                                             Disocactus anguliger
                                             Disocactus aurantiacus
                                             Disocactus biformis
                                                   [Cereus biformis]
                                             Disocactus crenatus
                                               Disocactus crenatus subsp. crenatus
                                               Disocactus crenatus subsp. kimnachii
                                             Disocactus eichlamii
                                                   [Epiphyllum eichlamii]
                                                   [Phyllocactus eichlamii]
                                             Disocactus flagelliformis
                                                   [Aporocactus leptophis]
                                                   [Cactus flagelliformis]
                                             Disocactus kimnachii
                                             Disocactus macdougallii
                                                   [Nopalxochia macdougallii]
                                             Disocactus macranthus
                                                   [Pseudorhipsalis macrantha]
                                             Disocactus martianus
                                                   [Aporocactus conzattii]
                                                   [Aporocactus martianus]
                                                   [Cereus martianus]
                                             Disocactus nelsonii
                                                   [Chiapasia nelsonii]
                                                   [Epiphyllum nelsonii]
                                               Disocactus nelsonii subsp. hondurensis
                                               Disocactus nelsonii subsp. nelsonii
                                             Disocactus phyllanthoides
                                                   [Cactus phyllanthoides]
                                                   [Epiphyllum jenkinsonii]
                                                   [Epiphyllum phyllanthoides]
                                                   [Nopalxochia phyllanthoides]
                                                   [Phyllocactus phyllanthoides]
                                             Disocactus quezaltecus
                                                   [Bonifazia quezalteca]
                                                   [Epiphyllum quezaltecum]
                                             Disocactus schrankii
                                             Disocactus speciosus
                                                   [Cactus speciosus]
                                                   [Heliocereus speciosissimus]
                                               Disocactus speciosus subsp. aurantiacus
                                                     [Heliocereus aurantiacus]
                                               Disocactus speciosus subsp. blomianus
                                                     [Heliocereus aurantiacus var. blomianus]
                                               Disocactus speciosus subsp. cinnabarinus
                                                     [Disocactus cinnabarinus]
                                                     [Heliocereus cinnabarinus]
                                                     [Heliocereus heterodoxus]
                                               Disocactus speciosus subsp. speciosus
                                                     [Heliocereus amecamensis]
                                                     [Heliocereus luzmariae]
                                                     [Mediocactus coccineus]
                                     Dolichothele
                                             Dolichothele albescens
                                             Dolichothele sphaerica
                                     Eccremocactus
                                             Eccremocactus bradei
                                     Echinocactus
                                             Echinocactus alamosanus
                                             Echinocactus bicolor
                                               Echinocactus bicolor var. schottii
                                             Echinocactus brevihamatus
                                             Echinocactus coccineus
                                             Echinocactus cylindraceus
                                             Echinocactus emoryi
                                             Echinocactus falconeri
                                             Echinocactus fordii
                                             Echinocactus glaucus
                                             Echinocactus grusonii
                                             Echinocactus hamatacanthus
                                             Echinocactus horizonthalonius
                                                   [Echinocactus horizontalis]
                                               Echinocactus horizonthalonius var. centrispinus
                                               Echinocactus horizonthalonius var. horizonthalonius
                                                     [Echinocactus horizonthalonius var. moelleri]
                                               Echinocactus horizonthalonius var. nicholii
                                                     [Echinocactus horizonthalonius subsp. nicholii]
                                             Echinocactus longihamatus
                                             Echinocactus mariposensis
                                             Echinocactus megarrhizus
                                             Echinocactus myriostigma
                                             Echinocactus parryi
                                                   [Emorycactus parryi]
                                             Echinocactus platyacanthus
                                                   [Echinocactus grandis]
                                                   [Echinocactus ingens]
                                                   [Echinocactus palmeri]
                                             Echinocactus polyancistrus
                                             Echinocactus polycephalus
                                                   [Emorycactus polycephalus]
                                               Echinocactus polycephalus subsp. polycephalus
                                                     [Homalocephala polycephala]
                                               Echinocactus polycephalus var. polycephalus
                                               Echinocactus polycephalus var. xeranthemoides
                                                     [Echinocactus polycephalus subsp. xeranthemoides]
                                                     [Echinocactus xeranthemoides]
                                             Echinocactus robustus
                                             Echinocactus scheeri
                                             Echinocactus setispinus
                                               Echinocactus setispinus var. hamatus
                                             Echinocactus sinuatus
                                             Echinocactus texensis
                                                   [Homalocephala texensis]
                                             Echinocactus tobuschii
                                             Echinocactus villosus
                                             Echinocactus visnaga
                                             Echinocactus warnockii
                                     Echinocereus
                                             Echinocereus acanthosetus
                                             Echinocereus acifer
                                                   [Cereus acifer]
                                               Echinocereus acifer subsp. acifer
                                                     [Echinocereus acifer subsp. ventanensis]
                                                     [Echinocereus polyacanthus subsp. acifer]
                                                     [Echinocereus triglochidiatus var. acifer]
                                               Echinocereus acifer subsp. huitcholensis
                                                     [Cereus huitcholensis]
                                                     [Echinocereus huitcholensis]
                                                     [Echinocereus polyacanthus subsp. huitcholensis]
                                                     [Echinocereus topiensis]
                                             Echinocereus adustus
                                               Echinocereus adustus subsp. adustus
                                               Echinocereus adustus subsp. schwarzii
                                                     [Echinocereus adustus subsp. roemerianus]
                                                     [Echinocereus schwarzii]
                                             Echinocereus apachensis
                                             Echinocereus arizonicus
                                                   [Echinocereus arizonicus subsp. oldachiorum]
                                                   [Echinocereus triglochidiatus var. arizonicus]
                                               Echinocereus arizonicus subsp. arizonicus
                                               Echinocereus arizonicus subsp. matudae
                                               Echinocereus arizonicus subsp. nigrihorridispinus
                                             Echinocereus bacanorensis
                                                   [Echinocereus klapperi subsp. bacanorensis]
                                                   [Echinocereus santaritensis subsp. bacanorensis]
                                             Echinocereus barthelowanus
                                             Echinocereus berlandieri
                                               Echinocereus berlandieri var. blanckii
                                               Echinocereus berlandieri var. blankii
                                               Echinocereus berlandieri var. papillosus
                                             Echinocereus blanckii
                                                   [Echinocereus blankii]
                                             Echinocereus blumii
                                             Echinocereus bonkerae
                                                   [Echinocereus fasciculatus subsp. bonkerae]
                                                   [Echinocereus fendleri var. bonkerae]
                                               Echinocereus bonkerae subsp. apachensis
                                               Echinocereus bonkerae subsp. bonkerae
                                             Echinocereus brandegeei
                                             Echinocereus bristolii
                                             Echinocereus caespitosus
                                               Echinocereus caespitosus var. minor
                                               Echinocereus caespitosus var. perbellus
                                               Echinocereus caespitosus var. purpureus
                                             Echinocereus carmenensis
                                             Echinocereus chisoensis
                                                   [Echinocereus chisosensis]
                                                   [Echinocereus reichenbachii var. chisoensis]
                                                   [Echinocereus reichenbachii var. chisosensis]
                                               Echinocereus chisoensis var. chisoensis
                                                     [Echinocereus chisoensis subsp. chisoensis]
                                                     [Echinocereus chisosensis subsp. chisosensis]
                                                     [Echinocereus chisosensis var. chisosensis]
                                               Echinocereus chisoensis var. fobeanus
                                                     [Echinocereus chisosensis subsp. fobeanus]
                                                     [Echinocereus fobeanus]
                                             Echinocereus chloranthus
                                               Echinocereus chloranthus subsp. chloranthus
                                               Echinocereus chloranthus subsp. rhyolithensis
                                               Echinocereus chloranthus var. chloranthus
                                               Echinocereus chloranthus var. cylindricus
                                               Echinocereus chloranthus var. neocapillus
                                             Echinocereus cinerascens
                                                   [Echinocereus chlorophthalmus]
                                                   [Echinocereus cinerascens var. ehrenbergii]
                                                   [Echinocereus glycimorphus]
                                               Echinocereus cinerascens subsp. cinerascens
                                               Echinocereus cinerascens subsp. septentrionalis
                                               Echinocereus cinerascens subsp. tulensis
                                                     [Echinocereus tulensis]
                                               Echinocereus cinerascens var. cinerascens
                                             Echinocereus coccineus
                                                   [Echinocereus aggregatus]
                                                   [Echinocereus coccineus subsp. paucispinus]
                                                   [Echinocereus phoeniceus var. inermis]
                                                   [Echinocereus triglochidiatus subsp. coccineus]
                                                   [Echinocereus triglochidiatus var. paucispinus]
                                                   [Echinocereus triglochidiatus var. toroweapensis]
                                               Echinocereus coccineus subsp. coccineus
                                                     [Cereus roemeri]
                                                     [Echinocereus bakeri]
                                                     [Echinocereus canyonensis]
                                                     [Echinocereus coccineus subsp. roemeri]
                                                     [Echinocereus hexaedrus]
                                                     [Echinocereus neomexicanus]
                                                     [Echinocereus phoeniceus var. phoeniceus]
                                                     [Echinocereus phoeniceus]
                                                     [Echinocereus roemeri]
                                                     [Echinocereus triglochidiatus var. inermis]
                                                     [Echinocereus triglochidiatus var. melanacanthus]
                                                     [Echinocereus triglochidiatus var. octacanthus]
                                               Echinocereus coccineus subsp. rosei
                                               Echinocereus coccineus subsp. santaritensis
                                                     [Echinocereus santaritensis subsp. santaritensis]
                                                     [Echinocereus santaritensis]
                                               Echinocereus coccineus subsp. transpecosensis
                                               Echinocereus coccineus var. arizonicus
                                                     [Echinocereus polyacanthus var. neomexicanus]
                                                     [Echinocereus triglochidiatus var. neomexicanus]
                                               Echinocereus coccineus var. coccineus
                                                     [Coryphantha vivipara var. aggregata]
                                                     [Echinocereus coccineus var. conoideus]
                                                     [Echinocereus coccineus var. inermis]
                                                     [Echinocereus octacanthus]
                                                     [Echinocereus polyacanthus var. rosei]
                                                     [Echinocereus triglochidiatus var. hexaedrus]
                                                     [Mammillaria aggregata]
                                               Echinocereus coccineus var. gurneyi
                                                     [Echinocereus triglochidiatus var. gurneyi]
                                               Echinocereus coccineus var. paucispinus
                                               Echinocereus coccineus var. rosei
                                             Echinocereus conglomeratus
                                             Echinocereus conoideus
                                             Echinocereus dasyacanthus
                                                   [Echinocereus ctenoides]
                                                   [Echinocereus dasyacanthus subsp. dasyacanthus]
                                                   [Echinocereus dasyacanthus subsp. rectispinus]
                                                   [Echinocereus dasyacanthus var. hildmannii]
                                                   [Echinocereus pectinatus var. ctenoides]
                                                   [Echinocereus pectinatus var. dasyacanthus]
                                                   [Echinocereus pectinatus var. neomexicanus]
                                                   [Echinocereus steereae]
                                             Echinocereus dubius
                                             Echinocereus ehrenbergii
                                             Echinocereus engelmannii
                                                   [Echinocereus decumbens]
                                                   [Echinocereus engelmanni]
                                                   [Echinocereus engelmannii var. decumbens]
                                               Echinocereus engelmannii subsp. decumbens
                                               Echinocereus engelmannii subsp. engelmannii
                                               Echinocereus engelmannii subsp. llanuraensis
                                                     [Echinocereus nicholii subsp. llanuraensis]
                                               Echinocereus engelmannii var. acicularis
                                                     [Echinocereus engelmannii subsp. acicularis]
                                               Echinocereus engelmannii var. armatus
                                               Echinocereus engelmannii var. chrysocentrus
                                               Echinocereus engelmannii var. engelmannii
                                               Echinocereus engelmannii var. howei
                                               Echinocereus engelmannii var. munzii
                                                     [Echinocereus munzii]
                                               Echinocereus engelmannii var. purpureus
                                               Echinocereus engelmannii var. variegatus
                                                     [Echinocereus engelmannii subsp. variegatus]
                                             Echinocereus enneacanthus
                                                   [Cereus enneacanthus]
                                                   [Echinocereus sarissophorus]
                                               Echinocereus enneacanthus subsp. brevispinus
                                               Echinocereus enneacanthus subsp. enneacanthus
                                                     [Echinocereus enneacanthus f. intermedius]
                                                     [Echinocereus enneacanthus subsp. carnosus]
                                                     [Echinocereus enneacanthus subsp. intermedius]
                                                     [Echinocereus merkeri]
                                               Echinocereus enneacanthus var. brevispinus
                                               Echinocereus enneacanthus var. carnosus
                                               Echinocereus enneacanthus var. dubius
                                               Echinocereus enneacanthus var. enneacanthus
                                             Echinocereus fasciculatus
                                                   [Echinocereus fasciculatus subsp. boyce-thompsonii]
                                                   [Echinocereus fasciculatus subsp. fasciculatus]
                                                   [Echinocereus fendleri var. fasciculatus]
                                             Echinocereus fendleri
                                               Echinocereus fendleri subsp. fendleri
                                                     [Echinocereus hempelii]
                                                     [Echinocereus kuenzleri]
                                               Echinocereus fendleri subsp. kuenzleri
                                               Echinocereus fendleri subsp. rectispinus
                                                     [Echinocereus fendleri var. retispinus]
                                                     [Echinocereus hempelii subsp. rectispinus]
                                               Echinocereus fendleri var. boyce-thompsonii
                                                     [Echinocereus boyce-thompsonii]
                                                     [Echinocereus fasciculatus var. boyce-thompsonii]
                                               Echinocereus fendleri var. fendleri
                                               Echinocereus fendleri var. kuenzleri
                                                     [Echinocereus fendleri subsp. hempelii]
                                               Echinocereus fendleri var. rectispinus
                                                     [Echinocereus rectispinus]
                                             Echinocereus ferreirianus
                                               Echinocereus ferreirianus subsp. ferreirianus
                                               Echinocereus ferreirianus subsp. lindsayi
                                             Echinocereus fitchii
                                             Echinocereus freudenbergeri
                                             Echinocereus gonacanthus
                                             Echinocereus grandis
                                             Echinocereus klapperi
                                             Echinocereus knippelianus
                                                   [Echinocereus knippelianus var. reyesii]
                                               Echinocereus knippelianus subsp. kruegeri
                                                     [Echinocereus knippelianus var. kruegeri]
                                             Echinocereus laui
                                             Echinocereus ledingii
                                                   [Echinocereus fendleri var. ledingii]
                                             Echinocereus leucanthus
                                                   [Wilcoxia albiflora]
                                             Echinocereus lindsayi
                                                   [Echinocereus ferreirianus var. lindsayi]
                                             Echinocereus llanuraensis
                                             Echinocereus lloydii
                                                   [Echinocereus × lloydii]
                                             Echinocereus longisetus
                                               Echinocereus longisetus subsp. delaetii
                                                     [Cephalocereus delaetii]
                                                     [Echinocereus delaetii]
                                               Echinocereus longisetus subsp. longisetus
                                             Echinocereus luteus
                                             Echinocereus mamillatus
                                             Echinocereus mapimiensis
                                             Echinocereus maritimus
                                                   [Echinocereus hancockii]
                                               Echinocereus maritimus subsp. hancockii
                                               Echinocereus maritimus subsp. maritimus
                                               Echinocereus maritimus var. hancockii
                                               Echinocereus maritimus var. maritimus
                                             Echinocereus matudae
                                             Echinocereus melanocentrus
                                             Echinocereus metornii
                                             Echinocereus milleri
                                             Echinocereus mojavensis
                                                   [Echinocereus triglochidiatus var. mojavensis]
                                             Echinocereus mombergerianus
                                                   [Echinocereus polyacanthus subsp. mombergerianus]
                                             Echinocereus nicholii
                                                   [Echinocereus engelmannii var. nicholii]
                                                   [Echinocereus nicholii subsp. nicholii]
                                             Echinocereus nivosus
                                                   [Echinocereus albatus]
                                             Echinocereus occidentalis
                                               Echinocereus occidentalis ssp. breckwoldtiorum
                                             Echinocereus ortegae
                                               Echinocereus ortegae subsp. koehresianus
                                                     [Echinocereus koehresianus]
                                               Echinocereus ortegae subsp. ortegae
                                             Echinocereus pacificus
                                               Echinocereus pacificus subsp. mombergerianus
                                               Echinocereus pacificus subsp. pacificus
                                             Echinocereus palmeri
                                               Echinocereus palmeri subsp. mazapil
                                               Echinocereus palmeri subsp. palmeri
                                             Echinocereus pamanesii
                                             Echinocereus pamanesiorum
                                               Echinocereus pamanesiorum subsp. bonatzii
                                                     [Echinocereus adustus subsp. bonatzii]
                                                     [Echinocereus bonatzii]
                                               Echinocereus pamanesiorum subsp. pamanesiorum
                                             Echinocereus papillosus
                                               Echinocereus papillosus var. angusticeps
                                                     [Echinocereus angusticeps]
                                                     [Echinocereus berlandieri var. angusticeps]
                                                     [Echinocereus blanckii var. angusticeps]
                                                     [Echinocereus blankii var. angusticeps]
                                               Echinocereus papillosus var. papillosus
                                             Echinocereus parkeri
                                               Echinocereus parkeri subsp. arteagensis
                                               Echinocereus parkeri subsp. gonzalezii
                                               Echinocereus parkeri subsp. mazapilensis
                                               Echinocereus parkeri subsp. parkeri
                                             Echinocereus paucispinus
                                             Echinocereus pectinatus
                                               Echinocereus pectinatus subsp. ctenoides
                                                     [Echinocereus hildmannii]
                                               Echinocereus pectinatus subsp. pectinatus
                                                     [Echinocactus pectinatus]
                                               Echinocereus pectinatus subsp. wenigeri
                                               Echinocereus pectinatus var. minor
                                               Echinocereus pectinatus var. pectinatus
                                               Echinocereus pectinatus var. wenigeri
                                             Echinocereus pentalophus
                                                   [Cereus pentalophus var. radicans]
                                                   [Cereus pentalophus var. simplex]
                                                   [Echinocereus pentalophus subsp. procumbens]
                                               Echinocereus pentalophus subsp. leonensis
                                                     [Echinocereus leonensis]
                                               Echinocereus pentalophus subsp. pentalophus
                                                     [Echinocereus leptacanthus]
                                               Echinocereus pentalophus var. leonensis
                                             Echinocereus perbellus
                                             Echinocereus polyacanthus
                                                   [Echinocereus durangensis]
                                                   [Echinocereus triglochidiatus subsp. polyacanthus]
                                                   [Echinocereus triglochidiatus var. polyacanthus]
                                               Echinocereus polyacanthus subsp. pacificus
                                               Echinocereus polyacanthus subsp. polyacanthus
                                               Echinocereus polyacanthus var. huitcholensis
                                               Echinocereus polyacanthus var. pacificus
                                                     [Echinocereus triglochidiatus var. pacificus]
                                               Echinocereus polyacanthus var. polyacanthus
                                             Echinocereus poselgeri
                                                   [Cereus poselgeri]
                                                   [Cereus tuberosus]
                                                   [Echinocereus kroenleinii]
                                                   [Echinocereus poselgeri subsp. kroenleinii]
                                                   [Echinocereus tamaulipensis subsp. waldeisii]
                                                   [Echinocereus waldeisii]
                                                   [Wilcoxia kroenleinii]
                                                   [Wilcoxia poselgeri]
                                                   [Wilcoxia tamaulipensis]
                                             Echinocereus primolanatus
                                             Echinocereus princeps
                                             Echinocereus procumbens
                                             Echinocereus pseudopectinatus
                                                   [Echinocereus bristolii var. pseudopectinatus]
                                             Echinocereus pulchellus
                                               Echinocereus pulchellus subsp. acanthosetus
                                               Echinocereus pulchellus subsp. pulchellus
                                                     [Echinocereus amoenus]
                                               Echinocereus pulchellus subsp. sharpii
                                               Echinocereus pulchellus subsp. weinbergii
                                                     [Echinocereus weinbergii subsp. weinbergii]
                                                     [Echinocereus weinbergii]
                                             Echinocereus rayonensis
                                             Echinocereus rayonesensis
                                             Echinocereus rebmanii
                                             Echinocereus reichenbachii
                                                   [Cereus pectinatus var. armatus]
                                                   [Echinocereus purpureus]
                                                   [Echinocereus reichenbachii subsp. burrensis]
                                               Echinocereus reichenbachii subsp. albertii
                                                     [Echinocereus fitchii subsp. albertii]
                                               Echinocereus reichenbachii subsp. armatus
                                               Echinocereus reichenbachii subsp. baileyi
                                                     [Echinocereus albispinus]
                                                     [Echinocereus baileyi var. albispinus]
                                                     [Echinocereus baileyi]
                                                     [Echinocereus reichenbachii var. albispinus]
                                                     [Echinocereus reichenbachii var. baileyi]
                                               Echinocereus reichenbachii subsp. caespitosus
                                               Echinocereus reichenbachii subsp. fitchii
                                               Echinocereus reichenbachii subsp. perbellus
                                               Echinocereus reichenbachii subsp. reichenbachii
                                               Echinocereus reichenbachii var. albertii
                                               Echinocereus reichenbachii var. fitchii
                                               Echinocereus reichenbachii var. perbellus
                                               Echinocereus reichenbachii var. reichenbachii
                                             Echinocereus relictus
                                             Echinocereus rigidissimus
                                                   [Cereus pectinatus var. rigidissimus]
                                                   [Echinocereus pectinatus var. rigidissimus]
                                               Echinocereus rigidissimus subsp. rigidissimus
                                               Echinocereus rigidissimus subsp. rubispinus
                                                     [Echinocereus pectinatus var. rubrispinus]
                                               Echinocereus rigidissimus var. rigidissimus
                                               Echinocereus rigidissimus var. rubispinus
                                             Echinocereus robustus
                                             Echinocereus rosei
                                             Echinocereus russanthus
                                                   [Echinocereus chloranthus var. russanthus]
                                                   [Echinocereus viridiflorus var. weedinii]
                                             Echinocereus sanpedroensis
                                             Echinocereus scheeri
                                                   [Cereus scheeri]
                                                   [Echinocereus salm-dyckianus]
                                               Echinocereus scheeri subsp. gentryi
                                                     [Echinocereus gentryi]
                                               Echinocereus scheeri subsp. scheeri
                                               Echinocereus scheeri var. gentryi
                                               Echinocereus scheeri var. obscuriensis
                                               Echinocereus scheeri var. scheeri
                                             Echinocereus schereri
                                             Echinocereus schmollii
                                                   [Cereus schmollii]
                                                   [Wilcoxia schmollii]
                                             Echinocereus sciurus
                                                   [Cereus sciurus]
                                                   [Echinocereus subterraneus]
                                               Echinocereus sciurus subsp. floresii
                                                     [Echinocereus floresii]
                                               Echinocereus sciurus subsp. sciurus
                                             Echinocereus scopulorum
                                             Echinocereus sharpii
                                             Echinocereus spinigemmatus
                                             Echinocereus stolonifer
                                                   [Echinocereus stoloniferus]
                                               Echinocereus stolonifer subsp. stolonifer
                                                     [Echinocereus stoloniferus subsp. stoloniferus]
                                                     [Echinocereus stoloniferus var. stoloniferus]
                                               Echinocereus stolonifer subsp. tayopensis
                                                     [Echinocereus stolonifer var. tayopensis]
                                                     [Echinocereus stoloniferus subsp. tayopensis]
                                                     [Echinocereus stoloniferus var. tayopensis]
                                                     [Echinocereus tayopensis]
                                             Echinocereus stramineus
                                                   [Echinocereus enneacanthus var. stramineus]
                                               Echinocereus stramineus subsp. occidentalis
                                               Echinocereus stramineus subsp. stramineus
                                               Echinocereus stramineus var. occidentalis
                                               Echinocereus stramineus var. stramineus
                                             Echinocereus subinermis
                                               Echinocereus subinermis subsp. ochoterenae
                                                     [Echinocereus ochoterenae]
                                               Echinocereus subinermis subsp. subinermis
                                               Echinocereus subinermis var. luteus
                                               Echinocereus subinermis var. subinermis
                                             Echinocereus tamaulipensis
                                             Echinocereus triglochidiatus
                                                   [Echinocereus coccineus subsp. mojavensis]
                                                   [Echinocereus coccineus var. octacanthus]
                                                   [Echinocereus triglochidiatus subsp. triglochidiatus]
                                                   [Echinocereus triglochidiatus var. gonacanthus]
                                               Echinocereus triglochidiatus var. triglochidiatus
                                                     [Echinocereus kunzei]
                                             Echinocereus viereckii
                                               Echinocereus viereckii subsp. morricalii
                                                     [Echinocereus morricalii]
                                                     [Echinocereus viereckii subsp. huastecensis]
                                                     [Echinocereus viereckii var. morricalii]
                                               Echinocereus viereckii subsp. viereckii
                                             Echinocereus viridiflorus
                                               Echinocereus viridiflorus subsp. chloranthus
                                                     [Echinocereus neocapillus]
                                                     [Echinocereus viridiflorus var. neocapillus]
                                               Echinocereus viridiflorus subsp. correllii
                                               Echinocereus viridiflorus subsp. cylindricus
                                               Echinocereus viridiflorus subsp. davisii
                                               Echinocereus viridiflorus subsp. viridiflorus
                                               Echinocereus viridiflorus var. canus
                                               Echinocereus viridiflorus var. chloranthus
                                               Echinocereus viridiflorus var. correllii
                                               Echinocereus viridiflorus var. cylindricus
                                               Echinocereus viridiflorus var. davisii
                                                     [Echinocereus davisii]
                                               Echinocereus viridiflorus var. russanthus
                                               Echinocereus viridiflorus var. standleyi
                                               Echinocereus viridiflorus var. viridiflorus
                                             Echinocereus websterianus
                                             Echinocereus yavapaiensis
                                             Echinocereus zapalinamensis
                                             Echinocereus × roetteri
                                                   [Echinocereus roetteri var. lloydii]
                                                   [Echinocereus roetteri]
                                             Echinocereus ×neomexicanus
                                     Echinofossulocactus
                                             Echinofossulocactus anfractuosus
                                             Echinofossulocactus dichroacanthus
                                             Echinofossulocactus lexarzai
                                             Echinofossulocactus multicostatus
                                     Echinomastus
                                             Echinomastus erectocentrus
                                                   [Neolloydia erectocentra]
                                                   [Sclerocactus erectocentrus]
                                               Echinomastus erectocentrus subsp. acunensis
                                               Echinomastus erectocentrus subsp. erectocentrus
                                                     [Sclerocactus erectocentrus var. erectocentrus]
                                               Echinomastus erectocentrus var. acunensis
                                                     [Sclerocactus erectocentrus var. acunensis]
                                               Echinomastus erectocentrus var. erectocentrus
                                                     [Neolloydia erectocentra var. erectocentra]
                                             Echinomastus gautii
                                             Echinomastus intertextus
                                                   [Sclerocactus intertextus var. intertextus]
                                               Echinomastus intertextus subsp. intertextus
                                               Echinomastus intertextus var. dasyacanthus
                                               Echinomastus intertextus var. intertextus
                                             Echinomastus mariposensis
                                             Echinomastus unguispinus
                                               Echinomastus unguispinus var. durangensis
                                               Echinomastus unguispinus var. unguispinus
                                             Echinomastus warnockii
                                     Echinopsis
                                           [Echinopsis mieckleyi]
                                           [Echinopsis spinibarbis]
                                           [Echinopsis trichosa]
                                             Echinopsis albispinosa
                                                   [Echinopsis silvestrii]
                                             Echinopsis ancistrophora
                                                   [Echinopsis ancistrophora subsp. ancistrophora]
                                                   [Echinopsis hamatacantha]
                                                   [Echinopsis kratochviliana]
                                                   [Echinopsis polyancistra]
                                                   [Echinopsis subdenudata]
                                                   [Echinopsis subdenudatus]
                                             Echinopsis angelesiae
                                                   [Trichocereus angelesii]
                                             Echinopsis antezanae
                                             Echinopsis arachnacantha
                                                   [Echinopsis ancistrophora subsp. arachnacantha]
                                                   [Echinopsis graciliflora]
                                               Echinopsis arachnacantha subsp. arachnacantha
                                               Echinopsis arachnacantha subsp. densiseta
                                               Echinopsis arachnacantha subsp. sulphurea
                                                     [Echinopsis ancistrophora var. sulphurea]
                                                     [Echinopsis arachnacantha var. sulphurea]
                                               Echinopsis arachnacantha subsp. torrecillasensis
                                             Echinopsis arboricola
                                                   [Trichocereus arboricola]
                                             Echinopsis arebaloi
                                             Echinopsis atacamensis
                                                   [Trichocereus atacamensis]
                                               Echinopsis atacamensis subsp. atacamensis
                                               Echinopsis atacamensis subsp. pasacana
                                                     [Echinopsis rivierei]
                                                     [Pilocereus pasacanus]
                                                     [Trichocereus eremophilus]
                                                     [Trichocereus pasacana]
                                                     [Trichocereus rivierei]
                                             Echinopsis aurantiaca
                                             Echinopsis aurea
                                                   [Echinopsis aurea var. fallax]
                                                   [Hymenorebutia aurea]
                                                   [Lobivia aurea]
                                               Echinopsis aurea subsp. aurea
                                                     [Echinopsis quinesensis]
                                                     [Hymenorebutia quinesensis]
                                                     [Lobivia cylindracea]
                                                     [Lobivia cylindrica]
                                               Echinopsis aurea subsp. fallax
                                               Echinopsis aurea subsp. shaferi
                                                     [Lobivia shaferi]
                                             Echinopsis ayopayana
                                                   [Echinopsis kladiwana]
                                             Echinopsis backebergii
                                                   [Lobivia backebergiana]
                                                   [Lobivia backebergii]
                                               Echinopsis backebergii subsp. backebergii
                                                     [Lobivia backebergii subsp. zecheri]
                                                     [Lobivia backebergii var. zecheri]
                                                     [Lobivia wrightiana var. winteriana]
                                               Echinopsis backebergii subsp. wrightiana
                                                     [Lobivia backebergii subsp. wrightiana]
                                                     [Lobivia backebergii var. winteriana]
                                                     [Lobivia backebergii var. wrightiana]
                                             Echinopsis bertramiana
                                             Echinopsis boedekeriana
                                             Echinopsis bolligeriana
                                             Echinopsis breviflora
                                                   [Lobivia breviflora]
                                             Echinopsis bridgesii
                                               Echinopsis bridgesii subsp. bridgesii
                                               Echinopsis bridgesii subsp. vallegrandensis
                                                     [Echinopsis huotii subsp. huotii]
                                                     [Echinopsis huotii subsp. vallegrandensis]
                                               Echinopsis bridgesii subsp. yungasensis
                                             Echinopsis caineana
                                                   [Lobivia caineana]
                                             Echinopsis calochlora
                                                   [Echinopsis calochlora subsp. calochlora]
                                                   [Echinopsis calochlora subsp. glaetzleana]
                                                   [Echinopsis hammerschmidii]
                                                   [Echinopsis ibicuatensis]
                                             Echinopsis calorubra
                                                   [Echinopsis ancistrophora subsp. cardenasiana]
                                                   [Echinopsis ancistrophora subsp. pojoensis]
                                                   [Echinopsis obrepanda subsp. calorubra]
                                                   [Echinopsis obrepanda var. calorubra]
                                                   [Lobivia aguilarii]
                                                   [Lobivia calorubra]
                                                   [Lobivia cardenasiana]
                                                   [Lobivia pojoensis]
                                             Echinopsis camarguensis
                                                   [Trichocereus camarguensis]
                                             Echinopsis candicans
                                                   [Cereus candicans]
                                                   [Echinopsis courantii]
                                                   [Echinopsis pseudocandicans]
                                                   [Echinopsis purpureopilosa]
                                                   [Trichocereus courantii]
                                                   [Trichocereus neolamprochlorus]
                                                   [Trichocereus pseudocandicans]
                                             Echinopsis caulescens
                                                   [Trichocereus caulescens]
                                             Echinopsis cephalomacrostibas
                                             Echinopsis chacoana
                                             Echinopsis chamaecereus
                                                   [Cereus silvestrii]
                                                   [Chamaecereus silvestrii]
                                             Echinopsis chiloensis
                                                   [Trichocereus chiloensis]
                                               Echinopsis chiloensis subsp. chiloensis
                                               Echinopsis chiloensis subsp. litoralis
                                               Echinopsis chiloensis subsp. skottsbergii
                                             Echinopsis chrysantha
                                                   [Hymenorebutia chrysantha]
                                                   [Lobivia chrysantha]
                                                   [Lobivia polaskiana]
                                             Echinopsis chrysochete
                                                   [Lobivia chrysochete]
                                                   [Lobivia hystrix]
                                             Echinopsis cinnabarina
                                                   [Echinocactus cinnabarinus]
                                                   [Lobivia charcasina]
                                                   [Lobivia cinnabarina subsp. prestoana]
                                                   [Lobivia cinnabarina subsp. taratensis]
                                                   [Lobivia cinnabarina]
                                                   [Lobivia draxleriana]
                                                   [Lobivia prestoana]
                                                   [Lobivia taratensis]
                                                   [Lobivia walterspielii]
                                                   [Lobivia zudanensis]
                                                   [Weingartia jarmilae]
                                             Echinopsis clavata
                                                   [Echinopsis clavatus]
                                                   [Trichocereus clavatus]
                                             Echinopsis cochabambensis
                                             Echinopsis comarapana
                                             Echinopsis conaconensis
                                             Echinopsis coquimbana
                                                   [Cactus coquimbanus]
                                                   [Trichocereus coquimbanus]
                                             Echinopsis cotacajesi
                                             Echinopsis cotacajesii
                                             Echinopsis cuzcoensis
                                                   [Echinopsis knuthiana]
                                                   [Echinopsis schoenii]
                                                   [Echinopsis tarmaensis]
                                                   [Echinopsis tulhuayacensis]
                                                   [Trichocereus cuzcoensis]
                                                   [Trichocereus knuthianus]
                                                   [Trichocereus schoenii]
                                                   [Trichocereus tarmaensis]
                                                   [Trichocereus tulhuayacensis]
                                             Echinopsis densispina
                                                   [Echinopsis scoparia]
                                                   [Hymenorebutia chlorogona]
                                                   [Lobivia haematantha subsp. densispina]
                                                   [Lobivia haematantha var. densispina]
                                                   [Lobivia rebutioides]
                                                   [Lobivia scoparia]
                                             Echinopsis deserticola
                                                   [Cereus deserticola]
                                                   [Trichocereus deserticola]
                                             Echinopsis famatimensis
                                                   [Echinocactus famatimensis]
                                                   [Echinopsis famatinensis]
                                                   [Lobivia famatimensis]
                                             Echinopsis ferox
                                                   [Echinopsis cerdana]
                                                   [Echinopsis ferox subsp. potosina]
                                                   [Echinopsis ferox var. potosina]
                                                   [Echinopsis lecoriensis]
                                                   [Echinopsis longispina]
                                                   [Echinopsis nigra]
                                                   [Echinopsis potosina]
                                                   [Lobivia aureolilacina]
                                                   [Lobivia claeysiana]
                                                   [Lobivia ferox]
                                                   [Lobivia hastifera]
                                                   [Lobivia horrida]
                                                   [Lobivia longispina]
                                                   [Lobivia pachyacantha]
                                                   [Lobivia potosina]
                                                   [Lobivia variispina]
                                                   [Trichocereus orurensis]
                                             Echinopsis formosa
                                                   [Echinocactus formosus]
                                                   [Lobivia formosa]
                                                   [Trichocereus formosus]
                                               Echinopsis formosa subsp. bruchii
                                                     [Echinopsis bruchii]
                                                     [Lobivia bruchii]
                                                     [Lobivia formosa subsp. bruchii]
                                                     [Lobivia formosa subsp. grandis]
                                                     [Lobivia formosa var. bruchii]
                                                     [Lobivia formosa var. grandis]
                                                     [Lobivia grandis]
                                                     [Trichocereus bruchii]
                                                     [Trichocereus grandis]
                                                     [Trichocereus ingens]
                                               Echinopsis formosa subsp. formosa
                                                     [Echinopsis uebelmanniana]
                                               Echinopsis formosa subsp. kieslingii
                                                     [Lobivia kieslingii]
                                               Echinopsis formosa subsp. korethroides
                                                     [Echinopsis korethroides]
                                                     [Trichocereus korethroides]
                                               Echinopsis formosa subsp. randallii
                                                     [Echinopsis randallii]
                                                     [Trichocereus randallii]
                                               Echinopsis formosa subsp. rosarioana
                                                     [Lobivia rosarioana]
                                             Echinopsis glauca
                                                   [Echinopsis uyupampensis]
                                             Echinopsis glaucina
                                             Echinopsis haematantha
                                                   [Echinocactus haematanthus]
                                                   [Echinopsis elongata]
                                                   [Echinopsis hualfinensis]
                                                   [Echinopsis kuehnrichii]
                                                   [Hymenorebutia drijveriana]
                                                   [Hymenorebutia kuehnrichii]
                                                   [Lobivia amblayensis]
                                                   [Lobivia chorillosensis]
                                                   [Lobivia chorrillosensis]
                                                   [Lobivia drijveriana var. astranthema]
                                                   [Lobivia drijveriana]
                                                   [Lobivia elongata]
                                                   [Lobivia haematantha subsp. chorillosensis]
                                                   [Lobivia haematantha subsp. kuehnrichii]
                                                   [Lobivia haematantha var. chorrillosensis]
                                                   [Lobivia haematantha var. kuehnrichii]
                                                   [Lobivia haematantha]
                                                   [Lobivia hualfinensis var. fechseri]
                                                   [Lobivia hualfinensis]
                                                   [Lobivia kuehnrichii]
                                                   [Lobivia mirabunda]
                                             Echinopsis hahniana
                                                   [Harrisia hahniana]
                                                   [Mediocactus hahnianus]
                                             Echinopsis hertrichiana
                                                   [Lobivia allegraiana]
                                                   [Lobivia backebergii subsp. hertrichiana]
                                                   [Lobivia backebergii var. hertrichiana]
                                                   [Lobivia binghamiana]
                                                   [Lobivia echinata]
                                                   [Lobivia hertrichiana]
                                                   [Lobivia huilcanota]
                                                   [Lobivia incaica]
                                                   [Lobivia laui]
                                                   [Lobivia minuta]
                                                   [Lobivia planiceps]
                                                   [Lobivia vilcabambae]
                                                   [Neolloydia laui]
                                                   [Neolobivia echinata]
                                                   [Neolobivia hertrichiana]
                                                   [Neolobivia incaica]
                                                   [Neolobivia minuta]
                                                   [Neolobivia vilcabambae]
                                             Echinopsis huascha
                                                   [Cereus huascha]
                                                   [Echinopsis vatteri]
                                                   [Lobivia andalgalensis]
                                                   [Lobivia huascha]
                                                   [Lobivia purpureominiata]
                                                   [Trichocereus catamarcensis]
                                                   [Trichocereus huascha]
                                               Echinopsis huascha subsp. huascha
                                                     [Echinopsis pecheretiana]
                                                     [Trichocereus vatteri]
                                               Echinopsis huascha subsp. robusta
                                                     [Lobivia huascha var. robusta]
                                             Echinopsis huotii
                                             Echinopsis jajoana
                                                   [Echinopsis sanguiniflora]
                                                   [Lobivia chrysacantha]
                                                   [Lobivia chrysantha subsp. jajoiana]
                                                   [Lobivia chrysantha var. jajoiana]
                                                   [Lobivia duursmaiana]
                                                   [Lobivia jajoiana]
                                                   [Lobivia polycephala]
                                                   [Lobivia sanguiniflora]
                                             Echinopsis klingleriana
                                             Echinopsis lageniformis
                                                   [Cereus lageniformis]
                                                   [Echinopsis scopulicola]
                                                   [Trichocereus bridgesii]
                                                   [Trichocereus scopulicola]
                                             Echinopsis lamprochlora
                                             Echinopsis lateritia
                                                   [Hymenorebutia cintiensis]
                                                   [Hymenorebutia torataensis]
                                                   [Hymenorebutia torreana]
                                                   [Lobivia camataquiensis]
                                                   [Lobivia carminantha]
                                                   [Lobivia cintiensis]
                                                   [Lobivia kupperiana]
                                                   [Lobivia scopulina]
                                             Echinopsis leucantha
                                                   [Echinopsis baldiana]
                                                   [Echinopsis cordobensis]
                                                   [Echinopsis intricatissima]
                                                   [Echinopsis melanopotamica]
                                                   [Echinopsis molesta]
                                                   [Echinopsis spegazziniana]
                                             Echinopsis litoralis
                                             Echinopsis macrogona
                                             Echinopsis mamillosa
                                                   [Echinopsis herbasii]
                                                   [Echinopsis mamillosa subsp. mamillosa]
                                                   [Echinopsis mamillosa subsp. silvatica]
                                                   [Echinopsis pseudomamillosa]
                                                   [Echinopsis pseudomammillosa]
                                                   [Echinopsis ritteri]
                                                   [Echinopsis riviere-de-caraltii]
                                                   [Echinopsis roseo-lilacina]
                                                   [Echinopsis silvatica]
                                             Echinopsis marsoneri
                                                   [Lobivia buiningiana]
                                                   [Lobivia chrysantha subsp. marsoneri]
                                                   [Lobivia chrysantha var. marsoneri]
                                                   [Lobivia glauca]
                                                   [Lobivia haageana]
                                                   [Lobivia iridescens]
                                                   [Lobivia marsoneri]
                                                   [Lobivia muhriae]
                                                   [Lobivia nigrostoma]
                                                   [Lobivia rubescens]
                                                   [Lobivia tuberculosa]
                                                   [Lobivia uitewaaleana]
                                             Echinopsis maximiliana
                                                   [Lobivia cariquinensis]
                                                   [Lobivia charazanensis]
                                                   [Lobivia cruciaureispina]
                                                   [Lobivia hermanniana]
                                                   [Lobivia intermedia]
                                                   [Lobivia miniatiflora]
                                                   [Lobivia pseudocariquinensis]
                                                   [Lobivia sicuaniensis]
                                               Echinopsis maximiliana subsp. caespitosa
                                                     [Echinopsis caespitosa]
                                               Echinopsis maximiliana subsp. maximiliana
                                               Echinopsis maximiliana subsp. westii
                                                     [Lobivia westii]
                                             Echinopsis meyeri
                                             Echinopsis minuana
                                             Echinopsis mirabilis
                                                   [Setiechinopsis mirabilis]
                                             Echinopsis multiplex
                                             Echinopsis obrepanda
                                                   [Echinopsis cajasensis]
                                                   [Echinopsis calliantholilacina]
                                                   [Echinopsis callichroma]
                                                   [Echinopsis carmineiflora]
                                                   [Echinopsis fiebrigii]
                                                   [Echinopsis hystrichoides]
                                                   [Echinopsis mataranensis]
                                                   [Echinopsis obrepanda subsp. obrepanda]
                                                   [Echinopsis obrepanda subsp. tapecuana]
                                                   [Echinopsis tapecuana]
                                                   [Echinopsis toralapana]
                                             Echinopsis oligotricha
                                                   [Lobivia oligotricha]
                                             Echinopsis oxygona
                                                   [Echinopsis adolfofriedrichii]
                                                   [Echinopsis brasiliensis]
                                                   [Echinopsis derenbergii]
                                                   [Echinopsis eyriesii]
                                                   [Echinopsis paraguayensis]
                                                   [Echinopsis tubiflora]
                                             Echinopsis pachanoi
                                                   [Echinopsis chalaensis]
                                                   [Echinopsis santaensis]
                                                   [Trichocereus chalaensis]
                                                   [Trichocereus santaensis]
                                             Echinopsis pampana
                                                   [Lobivia aureosenilis]
                                                   [Lobivia glaucescens]
                                                   [Lobivia mistiensis]
                                                   [Lobivia pampana]
                                             Echinopsis pampariuzii
                                             Echinopsis pamparuizii
                                             Echinopsis pasacana
                                             Echinopsis pentlandii
                                                   [Echinocactus pentlandii]
                                                   [Echinocereus pentlandii]
                                                   [Echinopsis hardeniana]
                                                   [Echinopsis pentlandii subsp. hardeniana]
                                                   [Echinopsis pentlandii subsp. larae]
                                                   [Lobivia aculeata]
                                                   [Lobivia argentea]
                                                   [Lobivia aurantiaca]
                                                   [Lobivia boliviensis]
                                                   [Lobivia brunneo-rosea]
                                                   [Lobivia higginsiana]
                                                   [Lobivia johnsoniana]
                                                   [Lobivia larae]
                                                   [Lobivia lauramarca]
                                                   [Lobivia leucorhodon]
                                                   [Lobivia leucoviolacea]
                                                   [Lobivia multicostata]
                                                   [Lobivia pentlandii]
                                                   [Lobivia raphidacantha]
                                                   [Lobivia schneideriana]
                                                   [Lobivia titicacensis]
                                                   [Lobivia varians]
                                                   [Lobivia wegheiana]
                                             Echinopsis pereziensis
                                             Echinopsis peruviana
                                                   [Echinopsis peruviana subsp. peruviana]
                                                   [Echinopsis peruviana subsp. puquiensis]
                                                   [Echinopsis puquiensis]
                                                   [Trichocereus puquiensis]
                                                   [Trichocereus tacnaensis]
                                                   [Trichocereus torataensis]
                                             Echinopsis pojoensis
                                             Echinopsis pugionacantha
                                                   [Lobivia salitrensis]
                                               Echinopsis pugionacantha subsp. haemantha
                                                     [Lobivia salitrensis var. flexuosa]
                                               Echinopsis pugionacantha subsp. pugionacantha
                                               Echinopsis pugionacantha subsp. rossii
                                             Echinopsis quadratiumbonata
                                                   [Echinopsis quadratiumbonatus]
                                                   [Trichocereus quadratiumbonatus]
                                             Echinopsis rhodotricha
                                               Echinopsis rhodotricha subsp. chacoana
                                               Echinopsis rhodotricha subsp. rhodotricha
                                             Echinopsis rojasii
                                                   [Echinopsis boyuibensis]
                                                   [Echinopsis coronata]
                                             Echinopsis rossii
                                             Echinopsis rowleyi
                                                   [Echinopsis crassicaulis]
                                                   [Lobivia crassicaulis]
                                                   [Lobivia grandiflora]
                                                   [Trichocereus rowleyi]
                                             Echinopsis saltensis
                                               Echinopsis saltensis subsp. saltensis
                                               Echinopsis saltensis subsp. schreiteri
                                             Echinopsis schelhasii
                                             Echinopsis schickendantzii
                                                   [Cereus schickendantzii]
                                                   [Echinopsis fabrisii]
                                                   [Echinopsis friedrichii]
                                                   [Echinopsis smrziana]
                                                   [Trichocereus fabrisii]
                                                   [Trichocereus manguinii]
                                                   [Trichocereus narvaecensis]
                                                   [Trichocereus shaferi]
                                                   [Trichocereus smrzianus]
                                                   [Trichocereus tenuispinus]
                                                   [Trichocereus volcanensis]
                                             Echinopsis schieliana
                                                   [Lobivia backebergii subsp. schieliana]
                                                   [Lobivia backebergii var. schieliana]
                                                   [Lobivia quiabayensis]
                                                   [Lobivia schieliana]
                                             Echinopsis schreiteri
                                             Echinopsis shaferi
                                             Echinopsis skottsbergii
                                             Echinopsis spachiana
                                             Echinopsis spiniflora
                                                   [Acanthocalycium peitscherianum]
                                                   [Acanthocalycium violaceum]
                                                   [Echinocactus spiniflorus]
                                             Echinopsis stilowiana
                                                   [Lobivia stilowiana]
                                             Echinopsis stollenwerkiana
                                             Echinopsis strigosa
                                                   [Trichocereus strigosus]
                                             Echinopsis sucrensis
                                             Echinopsis tacaquirensis
                                                   [Cereus tacaquirensis]
                                                   [Echinopsis tacaquirensis subsp. tacaquirensis]
                                                   [Echinopsis tacaquirensis subsp. taquimbalensis]
                                                   [Echinopsis taquimbalensis]
                                                   [Trichocereus taquimbalensis]
                                             Echinopsis tarijensis
                                                   [Cereus tarijensis]
                                                   [Echinopsis poco]
                                                   [Lobivia formosa subsp. tarijensis]
                                                   [Trichocereus antezanae]
                                               Echinopsis tarijensis subsp. bertramiana
                                                     [Echinopsis tarijensis subsp. herzogianus]
                                                     [Echinopsis tarijensis subsp. totorensis]
                                               Echinopsis tarijensis subsp. tarijensis
                                             Echinopsis tegeleriana
                                                   [Lobivia akersii]
                                                   [Lobivia incuiensis]
                                                   [Lobivia tegeleriana]
                                             Echinopsis terscheckii
                                                   [Cereus terscheckii]
                                             Echinopsis thelegona
                                                   [Cereus thelegonus]
                                             Echinopsis thelegonoides
                                                   [Cereus thelegonoides]
                                                   [Echinopsis rubinghiana]
                                                   [Trichocereus rubinghianus]
                                                   [Trichocereus thelegonoides]
                                             Echinopsis thionantha
                                                   [Acanthocalycium brevispinum]
                                                   [Acanthocalycium catamarcense]
                                                   [Acanthocalycium chionanthum]
                                                   [Acanthocalycium griseum]
                                                   [Echinocactus thionanthus]
                                                   [Echinopsis brevispina]
                                                   [Lobivia chionanthus]
                                                   [Lobivia thionantha]
                                               Echinopsis thionantha subsp. ferrarii
                                               Echinopsis thionantha subsp. glauca
                                               Echinopsis thionantha subsp. thionantha
                                             Echinopsis tiegeliana
                                                   [Hymenorebutia pusilla]
                                                   [Hymenorebutia tiegeliana]
                                                   [Lobivia fricii]
                                                   [Lobivia peclardiana var. albiflora]
                                                   [Lobivia peclardiana]
                                                   [Lobivia pusilla]
                                                   [Lobivia tiegeliana]
                                                   [Mediolobivia hirsutissima]
                                             Echinopsis torrecillasensis
                                             Echinopsis tunariensis
                                                   [Echinopsis taratensis]
                                                   [Trichocereus taratensis]
                                                   [Trichocereus tunariensis]
                                             Echinopsis turbinata
                                             Echinopsis vallegrandensis
                                             Echinopsis vasquezii
                                                   [Trichocereus vasquezii]
                                             Echinopsis volliana
                                                   [Trichocereus vollianus]
                                             Echinopsis walteri
                                                   [Lobivia walteri]
                                             Echinopsis werdermanniana
                                                   [Echinopsis escayachensis]
                                                   [Echinopsis werdermannii]
                                                   [Trichocereus escayachensis]
                                                   [Trichocereus werdermannianus]
                                             Echinopsis x cabrerae
                                             Echinopsis yungasensis
                                             Echinopsis yuquina
                                                   [Lobivia rauschii]
                                     Emorycactus
                                             Emorycactus xeranthemoides
                                     Encephalocarpus
                                             Encephalocarpus strobiliformis
                                     Epiphyllum
                                           [Epiphyllum floribundum]
                                             Epiphyllum ackermanii
                                             Epiphyllum anguliger
                                                   [Epiphyllum darrahii]
                                             Epiphyllum baueri
                                             Epiphyllum cartagense
                                                   [Phyllocactus cartagensis]
                                             Epiphyllum costaricense
                                             Epiphyllum crenatum
                                                   [Phyllocactus crenatus]
                                               Epiphyllum crenatum subsp. crenatum
                                               Epiphyllum crenatum subsp. kimnachii
                                             Epiphyllum grandilobum
                                                   [Epiphyllum gigas]
                                                   [Phyllocactus grandilobus]
                                             Epiphyllum hookeri
                                                   [Cereus hookeri]
                                                   [Cereus marginatus]
                                               Epiphyllum hookeri subsp. columbiense
                                                     [Epiphyllum columbiense]
                                                     [Epiphyllum phyllanthus var. columbiense]
                                                     [Phyllocactus phyllanthus var. columbiensis]
                                               Epiphyllum hookeri subsp. guatemalense
                                                     [Epiphyllum guatemalense]
                                               Epiphyllum hookeri subsp. hookeri
                                                     [Epiphyllum stenopetalum]
                                               Epiphyllum hookeri subsp. pittieri
                                                     [Epiphyllum pittieri]
                                                     [Phyllocactus pittieri]
                                             Epiphyllum laui
                                             Epiphyllum lepidocarpum
                                                   [Phyllocactus lepidocarpus]
                                             Epiphyllum macrocarpum
                                             Epiphyllum macropterum
                                             Epiphyllum oxypetalum
                                                   [Epiphyllum acuminatum]
                                                   [Epiphyllum latifrons]
                                             Epiphyllum phyllanthus
                                               Epiphyllum phyllanthus subsp. phyllanthus
                                               Epiphyllum phyllanthus subsp. rubrocoronatum
                                                     [Epiphyllum phyllanthus var. rubrocoronatum]
                                                     [Epiphyllum rubrocoronatum]
                                                     [Epiphyllum trimetrale]
                                               Epiphyllum phyllanthus var. hookeri
                                               Epiphyllum phyllanthus var. phyllanthus
                                             Epiphyllum pumilum
                                                   [Epiphyllum caudatum]
                                             Epiphyllum strictum
                                             Epiphyllum thomasianum
                                                   [Phyllocactus thomasianus]
                                               Epiphyllum thomasianum subsp. costaricense
                                               Epiphyllum thomasianum subsp. thomasianum
                                               Epiphyllum thomasianum var. thomasianum
                                     Epithelantha
                                             Epithelantha bokei
                                             Epithelantha cryptica
                                             Epithelantha micromeris
                                                   [Epithelantha densispina]
                                                   [Epithelantha greggii]
                                                   [Epithelantha micromeris subsp. polycephala]
                                                   [Epithelantha micromeris var. pachyrhiza]
                                                   [Epithelantha micromeris var. polycephala]
                                                   [Epithelantha pachyrhiza]
                                                   [Epithelantha petri]
                                                   [Epithelantha petrii]
                                                   [Epithelantha polycephala]
                                                   [Epithelantha rufispina]
                                                   [Mammillaria micromeris var. greggii]
                                                   [Mammillaria micromeris var. unguispina]
                                               Epithelantha micromeris subsp. bokei
                                               Epithelantha micromeris subsp. greggii
                                                     [Epithelantha micromeris var. greggii]
                                               Epithelantha micromeris subsp. micromeris
                                               Epithelantha micromeris subsp. pachyrhiza
                                               Epithelantha micromeris subsp. unguispina
                                               Epithelantha micromeris var. bokei
                                               Epithelantha micromeris var. micromeris
                                                     [Mammillaria micromeris]
                                     Erdisia
                                     Eriocereus
                                             Eriocereus spinosissimus
                                     Eriosyce
                                             Eriosyce armata
                                                   [Echinocactus horridus]
                                             Eriosyce aspillagae
                                                   [Echinocactus aspillagae]
                                                   [Eriosyce aspillagae subsp. maechlerorum]
                                                   [Neoporteria aspillagai]
                                                   [Pyrrhocactus aspillagae]
                                             Eriosyce aurata
                                                   [Echinocactus sandillon]
                                                   [Eriosyce algarrobensis]
                                                   [Eriosyce ceratistes]
                                                   [Eriosyce ihotzkyanae]
                                                   [Eriosyce lapampaensis]
                                                   [Eriosyce sandillon]
                                                   [Eriosyce spinibarbis]
                                             Eriosyce bulbocalyx
                                                   [Echinocactus bulbocalyx]
                                                   [Neoporteria bulbocalyx]
                                                   [Neoporteria dubia]
                                                   [Pyrrhocactus bulbocalyx]
                                                   [Pyrrhocactus dubius]
                                             Eriosyce calderana
                                                   [Neoporteria calderiana]
                                                   [Neoporteria pilispina]
                                                   [Pyrrhocactus calderianus]
                                                   [Pyrrhocactus pilispinus]
                                                   [Pyrrhocactus pulchellus]
                                             Eriosyce chilensis
                                                   [Echinocactus chilensis]
                                                   [Neoporteria chilensis]
                                                   [Pyrrhocactus chilensis]
                                                   [Pyrrhocactus krausii]
                                               Eriosyce chilensis var. albidiflora
                                             Eriosyce confinis
                                                   [Neoporteria confinis]
                                                   [Pyrrhocactus confinis]
                                             Eriosyce crispa
                                                   [Neoporteria crispa]
                                                   [Pyrrhocactus crispus]
                                               Eriosyce crispa subsp. atroviridis
                                               Eriosyce crispa subsp. crispa
                                               Eriosyce crispa subsp. totoralensis
                                                     [Neoporteria totoralensis]
                                                     [Pyrrhocactus totoralensis]
                                               Eriosyce crispa var. carrizalensis
                                               Eriosyce crispa var. huascensis
                                               Eriosyce crispa var. totoralensis
                                             Eriosyce curvispina
                                                   [Cactus curvispinus]
                                                   [Eriosyce curvispina var. robusta]
                                                   [Neoporteria curvispina]
                                                   [Pyrrhocactus curvispinus]
                                               Eriosyce curvispina subsp. armata
                                                     [Neoporteria armata]
                                                     [Neoporteria choapensis]
                                                     [Neoporteria nigricans]
                                                     [Neoporteria tuberisulcata]
                                                     [Pyrrhocactus armatus]
                                                     [Pyrrhocactus choapensis]
                                                     [Pyrrhocactus limariensis]
                                               Eriosyce curvispina subsp. curvispina
                                                     [Neoporteria horrida]
                                                     [Pyrrhocactus andicola]
                                                     [Pyrrhocactus coliguayensis]
                                                     [Pyrrhocactus grandiflorus]
                                                     [Pyrrhocactus horridus]
                                                     [Pyrrhocactus odoriflorus]
                                                     [Pyrrhocactus pamaensis]
                                               Eriosyce curvispina subsp. marksiana
                                                     [Neoporteria marksianus]
                                                     [Pyrrhocactus lissocarpus]
                                                     [Pyrrhocactus marksianus]
                                                     [Pyrrhocactus truncatipetalus]
                                               Eriosyce curvispina var. armata
                                               Eriosyce curvispina var. curvispina
                                               Eriosyce curvispina var. mutabilis
                                               Eriosyce curvispina var. tuberisulcata
                                             Eriosyce engleri
                                             Eriosyce eriosyzoides
                                                   [Neoporteria eriosyzoides]
                                                   [Pyrrhocactus eriosyzoides]
                                               Eriosyce eriosyzoides subsp. atroviridis
                                               Eriosyce eriosyzoides subsp. eriosyzoides
                                             Eriosyce esmeraldana
                                                   [Neoporteria esmeraldana]
                                             Eriosyce garaventae
                                                   [Neoporteria subaiana]
                                                   [Pyrrhocactus garaventai]
                                                   [Pyrrhocactus subaianus]
                                             Eriosyce heinrichiana
                                                   [Neoporteria chorosensis]
                                                   [Neoporteria deherdtiana]
                                                   [Neoporteria dimorpha]
                                                   [Neoporteria intermedia]
                                                   [Neoporteria jussieui]
                                                   [Neoporteria ritteri]
                                                   [Neoporteria setosiflora]
                                                   [Pyrrhocactus chaniarensis]
                                                   [Pyrrhocactus chorosensis]
                                                   [Pyrrhocactus deherdtianus]
                                                   [Pyrrhocactus dimorphus]
                                                   [Pyrrhocactus heinrichianus]
                                                   [Pyrrhocactus intermedius]
                                                   [Pyrrhocactus jussieui]
                                                   [Pyrrhocactus setosiflorus]
                                                   [Pyrrhocactus trapichensis]
                                                   [Pyrrhocactus wagenknechtii]
                                               Eriosyce heinrichiana subsp. heinrichiana
                                               Eriosyce heinrichiana subsp. intermedia
                                               Eriosyce heinrichiana subsp. simulans
                                               Eriosyce heinrichiana var. setosiflora
                                             Eriosyce iquiquensis
                                                   [Eriosyce caligophila]
                                                   [Eriosyce recondita subsp. iquiquensis]
                                                   [Neoporteria aricensis]
                                                   [Neoporteria iquiquensis]
                                                   [Neoporteria residua]
                                                   [Pyrrhocactus aricensis]
                                                   [Pyrrhocactus floribundus]
                                                   [Pyrrhocactus iquiquensis]
                                                   [Pyrrhocactus residuus]
                                                   [Pyrrhocactus saxifragus]
                                             Eriosyce islayensis
                                                   [Islaya islayensis]
                                                   [Neoporteria islayensis]
                                               Eriosyce islayensis subsp. grandis
                                                     [Islaya grandis]
                                               Eriosyce islayensis subsp. islayensis
                                                     [Islaya bicolor]
                                                     [Islaya brevicylindrica]
                                                     [Islaya copiapoides]
                                                     [Islaya divaricatiflora]
                                                     [Islaya grandiflorens]
                                                     [Islaya islayensis var. minor]
                                                     [Islaya krainziana]
                                                     [Islaya maritima]
                                                     [Islaya minor]
                                                     [Islaya minuscula]
                                                     [Islaya molendensis]
                                                     [Islaya paucispinosa]
                                                     [Islaya unguispina]
                                                     [Neoporteria bicolor]
                                                     [Neoporteria krainziana]
                                               Eriosyce islayensis subsp. omasensis
                                                     [Eriosyce omasensis]
                                                     [Islaya omasensis]
                                             Eriosyce krausii
                                             Eriosyce kunzei
                                                   [Neoporteria nidus]
                                               Eriosyce kunzei var. kunzei
                                               Eriosyce kunzei var. transitensis
                                             Eriosyce laui
                                                   [Islaya laui]
                                             Eriosyce limariensis
                                             Eriosyce marksiana
                                               Eriosyce marksiana var. lissocarpa
                                               Eriosyce marksiana var. marksiana
                                             Eriosyce megliolii
                                                   [Neoporteria megliolii]
                                                   [Pyrrhocactus megliolii]
                                             Eriosyce napina
                                                   [Neoporteria napina]
                                               Eriosyce napina subsp. aerocarpa
                                                     [Eriosyce aerocarpa]
                                               Eriosyce napina subsp. glabrescens
                                               Eriosyce napina subsp. lembckei
                                                     [Eriosyce napina subsp. duripulpa]
                                               Eriosyce napina subsp. napina
                                               Eriosyce napina subsp. tenebrica
                                               Eriosyce napina var. duripulpa
                                             Eriosyce occulta
                                             Eriosyce odieri
                                                   [Neoporteria odieri]
                                                   [Neoporteria reichei]
                                                   [Neoporteria reichii]
                                               Eriosyce odieri subsp. fulva
                                               Eriosyce odieri subsp. glabrescens
                                               Eriosyce odieri subsp. krausii
                                               Eriosyce odieri subsp. odieri
                                                     [Neoporteria monte-amargensis]
                                               Eriosyce odieri var. monte-amargensis
                                             Eriosyce paucicostata
                                                   [Neoporteria paucicostata]
                                                   [Pyrrhocactus paucicostatus]
                                               Eriosyce paucicostata subsp. echinus
                                               Eriosyce paucicostata subsp. floccosa
                                               Eriosyce paucicostata subsp. paucicostata
                                             Eriosyce pygmaea
                                                   [Eriosyce taltalensis var. pygmaea]
                                             Eriosyce recondita
                                                   [Eriosyce recondita subsp. recondita]
                                                   [Neoporteria recondita]
                                                   [Pyrrhocactus reconditus]
                                                   [Pyrrhocactus vexatus]
                                             Eriosyce rodentiophila
                                                   [Eriosyce megacarpa]
                                             Eriosyce senilis
                                                   [Echinocactus senilis]
                                                   [Neoporteria senilis]
                                               Eriosyce senilis subsp. coimasensis
                                                     [Neoporteria coimasensis]
                                                     [Neoporteria robusta]
                                               Eriosyce senilis subsp. senilis
                                                     [Eriosyce senilis subsp. elquiensis]
                                                     [Neoporteria gerocephala]
                                                     [Neoporteria multicolor]
                                             Eriosyce simulans
                                                   [Neoporteria simulans]
                                             Eriosyce sociabilis
                                                   [Neoporteria sociabilis]
                                             Eriosyce spinosior
                                             Eriosyce strausiana
                                                   [Neoporteria strausiana]
                                                   [Pyrrhocactus strausianus]
                                               Eriosyce strausiana subsp. pachacoensis
                                                     [Pyrrhocactus pachacoensis]
                                               Eriosyce strausiana subsp. strausiana
                                                     [Eriosyce andreaeana]
                                                     [Neoporteria andreaeana]
                                                     [Neoporteria backebergii]
                                                     [Neoporteria sanjuanensis]
                                                     [Neoporteria setiflora]
                                                     [Neoporteria volliana]
                                                     [Pyrrhocactus atrospinosus]
                                                     [Pyrrhocactus platyacanthus]
                                                     [Pyrrhocactus sanjuanensis]
                                                     [Pyrrhocactus setiflorus]
                                                     [Pyrrhocactus vollianus]
                                             Eriosyce subgibbosa
                                                   [Eriosyce subgibbosa var. castanea]
                                                   [Neoporteria subgibbosa]
                                               Eriosyce subgibbosa subsp. clavata
                                                     [Neoporteria clavata]
                                               Eriosyce subgibbosa subsp. subgibbosa
                                                     [Neoporteria castanea]
                                                     [Neoporteria castaneoides]
                                                     [Neoporteria heteracantha]
                                                     [Neoporteria litoralis]
                                                     [Neoporteria microsperma]
                                                     [Neoporteria subcylindrica]
                                               Eriosyce subgibbosa subsp. vallenarensis
                                               Eriosyce subgibbosa subsp. wagenknechtii
                                                     [Eriosyce subgibbosa var. wagenknechtii]
                                                     [Neoporteria wagenknechtii]
                                               Eriosyce subgibbosa var. litoralis
                                               Eriosyce subgibbosa var. nigrihorrida
                                               Eriosyce subgibbosa var. subgibbosa
                                             Eriosyce taltalensis
                                                   [Neoporteria taltalensis]
                                                   [Pyrrhocactus taltalensis]
                                               Eriosyce taltalensis subsp. echinus
                                               Eriosyce taltalensis subsp. paucicostata
                                               Eriosyce taltalensis subsp. pilispina
                                               Eriosyce taltalensis subsp. pygmaea
                                                     [Neoporteria scoparia]
                                                     [Pyrrhocactus gracilis]
                                                     [Pyrrhocactus pygmaeus]
                                                     [Pyrrhocactus scoparius]
                                                     [Pyrrhocactus transiens]
                                               Eriosyce taltalensis subsp. taltalensis
                                                     [Neoporteria rupicola]
                                                     [Pyrrhocactus rupicola]
                                                     [Pyrrhocactus tenuis]
                                             Eriosyce tenebrica
                                             Eriosyce umadeave
                                                   [Neoporteria umadeave]
                                                   [Pyrrhocactus umadeave]
                                             Eriosyce villicumensis
                                                   [Eriosyce vertongenii]
                                                   [Neoporteria melanacantha]
                                                   [Neoporteria villicumensis]
                                                   [Pyrrhocactus melanacanthus]
                                                   [Pyrrhocactus vertongenii]
                                                   [Pyrrhocactus villicumensis]
                                             Eriosyce villosa
                                                   [Neoporteria atrispinosa]
                                                   [Neoporteria cephalophora]
                                                   [Neoporteria polyraphis]
                                                   [Neoporteria villosa]
                                     Escobaria
                                             Escobaria albicolumnaria
                                                   [Coryphantha albicolumnaria]
                                                   [Mammillaria albicolumnaria]
                                             Escobaria bella
                                             Escobaria chaffeyi
                                                   [Escobaria dasyacantha subsp. chaffeyi]
                                                   [Escobaria dasyacantha var. chaffeyi]
                                             Escobaria chihuahuensis
                                                   [Echinocactus strobiliformis]
                                                   [Mammillaria strobiliformis]
                                               Escobaria chihuahuensis subsp. chihuahuensis
                                               Escobaria chihuahuensis subsp. henricksonii
                                                     [Coryphantha henricksonii]
                                                     [Escobaria henricksonii]
                                             Escobaria chlorantha
                                             Escobaria cubensis
                                                   [Coryphantha cubensis]
                                             Escobaria dasyacantha
                                                   [Coryphantha dasyacantha]
                                                   [Coryphantha varicolor]
                                                   [Escobaria dasyacantha subsp. dasyacantha]
                                                   [Escobaria dasyacantha var. dasyacantha]
                                             Escobaria deserti
                                             Escobaria emskoetteriana
                                                   [Coryphantha emskoetteriana]
                                                   [Escobaria muehlbaueriana]
                                                   [Mammillaria emskoetteriana]
                                             Escobaria guadalupensis
                                             Escobaria laredoi
                                                   [Escobaria rigida]
                                             Escobaria leei
                                                   [Escobaria sneedii subsp. leei]
                                                   [Escobaria sneedii var. leei]
                                             Escobaria lloydii
                                                   [Coryphantha lloydii]
                                             Escobaria missouriensis
                                                   [Coryphantha missouriensis var. caespitosa]
                                                   [Coryphantha missouriensis var. marstonii]
                                                   [Coryphantha missouriensis var. missouriensis]
                                                   [Coryphantha missouriensis var. robustior]
                                                   [Coryphantha missouriensis]
                                                   [Coryphantha similis]
                                                   [Escobaria missouriensis subsp. missouriensis]
                                                   [Escobaria missouriensis subsp. navajoensis]
                                                   [Escobaria missouriensis var. caespitosa]
                                                   [Escobaria missouriensis var. marstonii]
                                                   [Escobaria missouriensis var. missouriensis]
                                                   [Escobaria missouriensis var. robustior]
                                                   [Escobaria missouriensis var. similis]
                                                   [Mammillaria missouriensis]
                                                   [Mammillaria roseiflora]
                                                   [Mammillaria similis var. robustior]
                                                   [Mammillaria similis]
                                                   [Neobesseya missouriensis]
                                                   [Neobesseya wissmannii]
                                                   [Neomammillaria similis]
                                               Escobaria missouriensis subsp. asperispina
                                                     [Coryphantha asperispina]
                                                     [Escobaria asperispina]
                                                     [Neobesseya asperispina]
                                             Escobaria roseana
                                               Escobaria roseana subsp. galeanensis
                                               Escobaria roseana subsp. roseana
                                             Escobaria runyonii
                                             Escobaria sneedii
                                                   [Coryphantha organensis]
                                                   [Coryphantha sneedii var. albicolumnaria]
                                                   [Coryphantha sneedii var. guadalupensis]
                                                   [Coryphantha sneedii]
                                                   [Coryphantha strobiliformis var. durispina]
                                                   [Coryphantha strobiliformis var. orcuttii]
                                                   [Escobaria orcuttii var. koenigii]
                                                   [Escobaria orcuttii var. macraxima]
                                                   [Escobaria orcuttii]
                                                   [Escobaria organensis]
                                                   [Escobaria sandbergii]
                                                   [Escobaria sneedii subsp. sneedii]
                                                   [Escobaria sneedii var. sneedii]
                                                   [Escobaria villardii]
                                                   [Neolloydia orcuttii]
                                               Escobaria sneedii subsp. orcuttii
                                                     [Coryphantha sneedii var. orcuttii]
                                             Escobaria tuberculosa
                                               Escobaria tuberculosa var. tuberculosa
                                             Escobaria zilziana
                                                   [Coryphantha zilziana]
                                     Escontria
                                             Escontria chiotilla
                                                   [Myrtillocactus chiotilla]
                                     Espostoa
                                             Espostoa baumannii
                                             Espostoa blossfeldiorum
                                                   [Thrixanthocereus blossfeldiorum]
                                                   [Thrixanthocereus longispinus]
                                             Espostoa calva
                                             Espostoa frutescens
                                             Espostoa guentheri
                                                   [Cephalocereus guentheri]
                                             Espostoa hylaea
                                             Espostoa lanata
                                               Espostoa lanata subsp. huanucoensis
                                                     [Espostoa huanucoensis]
                                               Espostoa lanata subsp. lanata
                                                     [Espostoa laticornua]
                                                     [Espostoa procera]
                                                     [Espostoa ritteri]
                                               Espostoa lanata subsp. lanianuligera
                                                     [Espostoa lanianuligera]
                                               Espostoa lanata subsp. ruficeps
                                                     [Espostoa ruficeps]
                                             Espostoa melanostele
                                               Espostoa melanostele subsp. melanostele
                                               Espostoa melanostele subsp. nana
                                                     [Espostoa nana]
                                             Espostoa mirabilis
                                             Espostoa senilis
                                                   [Thrixanthocereus senilis]
                                             Espostoa superba
                                             Espostoa utcubambensis
                                     Espostoopsis
                                             Espostoopsis dybowskii
                                     Eulychnia
                                             Eulychnia acida
                                             Eulychnia aricensis
                                             Eulychnia breviflora
                                                   [Eulychnia barquitensis]
                                                   [Eulychnia procumbens]
                                             Eulychnia castanea
                                             Eulychnia iquiquensis
                                               Eulychnia iquiquensis subsp. iquiquensis
                                               Eulychnia iquiquensis subsp. ritteri
                                             Eulychnia morromorenoensis
                                             Eulychnia ritteri
                                             Eulychnia saint-pieana
                                     Facheiroa
                                             Facheiroa cephaliomelana
                                               Facheiroa cephaliomelana subsp. cephaliomelana
                                               Facheiroa cephaliomelana subsp. estevesii
                                             Facheiroa estevesii
                                             Facheiroa pilosa
                                             Facheiroa squamosa
                                                   [Facheiroa braunii]
                                                   [Facheiroa chaetacantha]
                                                   [Facheiroa squamosa subsp. polygona]
                                             Facheiroa tenebrosa
                                             Facheiroa ulei
                                                   [Facheiroa pubiflora]
                                     Ferocactus
                                             Ferocactus alamosanus
                                                   [Ferocactus pottsii var. alamosanus]
                                               Ferocactus alamosanus subsp. alamosanus
                                               Ferocactus alamosanus subsp. reppenhagenii
                                               Ferocactus alamosanus var. alamosanus
                                             Ferocactus chrysacanthus
                                               Ferocactus chrysacanthus subsp. chrysacanthus
                                               Ferocactus chrysacanthus subsp. grandiflorus
                                                     [Ferocactus fordii var. grandiflorus]
                                             Ferocactus cylindraceus
                                                   [Ferocactus acanthodes]
                                               Ferocactus cylindraceus subsp. cylindraceus
                                                     [Echinocactus acanthodes var. rostii]
                                                     [Echinocactus acanthodes]
                                                     [Ferocactus acanthodes var. acanthodes]
                                                     [Ferocactus cylindraceus var. cylindraceus]
                                               Ferocactus cylindraceus subsp. eastwoodiae
                                                     [Ferocactus acanthodes var. eastwoodiae]
                                                     [Ferocactus cylindraceus var. eastwoodiae]
                                                     [Ferocactus eastwoodiae]
                                               Ferocactus cylindraceus subsp. lecontei
                                                     [Echinocactus lecontei]
                                                     [Ferocactus acanthodes var. lecontei]
                                                     [Ferocactus cylindraceus var. lecontei]
                                                     [Ferocactus lecontei]
                                               Ferocactus cylindraceus subsp. tortulispinus
                                                     [Ferocactus acanthodes var. tortulispinus]
                                                     [Ferocactus cylindraceus var. tortulispinus]
                                                     [Ferocactus cylindraceus var. tortulospinus]
                                             Ferocactus diguetii
                                               Ferocactus diguetii var. carmenensis
                                               Ferocactus diguetii var. diguetii
                                             Ferocactus echidne
                                                   [Echinocactus victoriensis]
                                             Ferocactus emoryi
                                                   [Ferocactus covillei]
                                               Ferocactus emoryi subsp. covillei
                                               Ferocactus emoryi subsp. emoryi
                                               Ferocactus emoryi subsp. rectispinus
                                                     [Ferocactus emoryi var. rectispinus]
                                               Ferocactus emoryi var. emoryi
                                             Ferocactus flavovirens
                                             Ferocactus fordii
                                                   [Ferocactus fordii var. fordii]
                                               Ferocactus fordii subsp. borealis
                                               Ferocactus fordii subsp. fordii
                                             Ferocactus gatesii
                                             Ferocactus glaucescens
                                             Ferocactus gracilis
                                                   [Ferocactus gracilis var. gracilis]
                                               Ferocactus gracilis subsp. coloratus
                                                     [Ferocactus coloratus]
                                                     [Ferocactus gracilis var. coloratus]
                                               Ferocactus gracilis subsp. gatesii
                                               Ferocactus gracilis subsp. gracilis
                                             Ferocactus haematacanthus
                                             Ferocactus hamatacanthus
                                                   [Echinocactus longihamatus var. crassispinus]
                                               Ferocactus hamatacanthus subsp. hamatacanthus
                                                     [Hamatocactus hamatacanthus]
                                               Ferocactus hamatacanthus subsp. sinuatus
                                               Ferocactus hamatacanthus var. hamatacanthus
                                               Ferocactus hamatacanthus var. sinuatus
                                             Ferocactus herrerae
                                                   [Ferocactus wislizeni var. herrerae]
                                             Ferocactus histrix
                                             Ferocactus horridus
                                             Ferocactus johnstonianus
                                             Ferocactus latispinus
                                               Ferocactus latispinus subsp. greenwoodii
                                                     [Ferocactus recurvus var. greenwoodii]
                                               Ferocactus latispinus subsp. latispinus
                                                     [Echinocactus cornigerus]
                                               Ferocactus latispinus subsp. spiralis
                                             Ferocactus lindsayi
                                             Ferocactus macrodiscus
                                               Ferocactus macrodiscus subsp. macrodiscus
                                               Ferocactus macrodiscus subsp. septentrionalis
                                             Ferocactus melocactiformis
                                             Ferocactus nobilis
                                             Ferocactus peninsulae
                                               Ferocactus peninsulae subsp. peninsulae
                                               Ferocactus peninsulae subsp. townsendianus
                                               Ferocactus peninsulae var. peninsulae
                                               Ferocactus peninsulae var. santa-maria
                                               Ferocactus peninsulae var. townsendianus
                                               Ferocactus peninsulae var. viscainensis
                                             Ferocactus pilosus
                                                   [Echinocactus pilosus var. pringlei]
                                                   [Echinocactus pilosus]
                                                   [Ferocactus pringlei]
                                             Ferocactus pottsii
                                             Ferocactus rectispinus
                                             Ferocactus recurvus
                                               Ferocactus recurvus subsp. greenwoodiae
                                               Ferocactus recurvus subsp. recurvus
                                             Ferocactus robustus
                                             Ferocactus rostii
                                             Ferocactus santa-maria
                                                   [Ferocactus peninsulae subsp. santa-maria]
                                                   [Ferocactus townsendianus var. santamaria]
                                             Ferocactus schwarzii
                                             Ferocactus setispinus
                                             Ferocactus stainesii
                                             Ferocactus tiburonensis
                                                   [Ferocactus wislizeni var. tiburonensis]
                                             Ferocactus townsendianus
                                               Ferocactus townsendianus var. santa-maria
                                               Ferocactus townsendianus var. townsendianus
                                             Ferocactus uncinatus
                                             Ferocactus viridescens
                                                   [Echinocactus orcuttii]
                                                   [Echinocactus viridescens]
                                               Ferocactus viridescens subsp. littoralis
                                               Ferocactus viridescens var. littoralis
                                               Ferocactus viridescens var. viridescens
                                             Ferocactus wislizeni
                                                   [Echinocactus wislizeni]
                                                   [Ferocactus wislizenii]
                                               Ferocactus wislizeni subsp. ajoensis
                                               Ferocactus wislizeni var. wislizeni
                                     Frailea
                                             Frailea alacriportana
                                             Frailea albicolumnaris
                                             Frailea albifusca
                                             Frailea asperispina
                                             Frailea aureinitens
                                             Frailea aureispina
                                             Frailea buenekeri
                                               Frailea buenekeri subsp. buenekeri
                                               Frailea buenekeri subsp. densispina
                                             Frailea buiningiana
                                             Frailea castanea
                                                   [Frailea castanea subsp. castanea]
                                                   [Frailea castanea subsp. harmoniana]
                                             Frailea cataphracta
                                                   [Frailea cataphracta subsp. cataphracta]
                                                   [Frailea cataphracta subsp. duchii]
                                                   [Frailea cataphracta subsp. melitae]
                                                   [Frailea cataphracta var. duchii]
                                                   [Frailea matoana]
                                                   [Frailea melitae]
                                                   [Frailea uhligiana]
                                             Frailea chiquitana
                                                   [Frailea pullispina]
                                             Frailea concepcionensis
                                             Frailea curvispina
                                             Frailea friedrichii
                                             Frailea fulviseta
                                                   [Frailea pygmaea subsp. fulviseta]
                                             Frailea gracillima
                                               Frailea gracillima subsp. gracillima
                                                     [Frailea gracillima subsp. albifusca]
                                               Frailea gracillima subsp. horstii
                                             Frailea grahliana
                                             Frailea horstii
                                             Frailea ignacionensis
                                             Frailea knippeliana
                                             Frailea lepida
                                             Frailea mammifera
                                               Frailea mammifera subsp. angelesiae
                                               Frailea mammifera subsp. mammifera
                                             Frailea moseriana
                                             Frailea perumbilicata
                                             Frailea phaeodisca
                                                   [Frailea perbella]
                                             Frailea pseudogracillima
                                             Frailea pseudopulcherrima
                                             Frailea pumila
                                                   [Frailea albiareolata]
                                                   [Frailea carminifilamentosa]
                                                   [Frailea deminuta]
                                                   [Frailea pumila subsp. albiareolata]
                                                   [Frailea pumila subsp. deminuta]
                                                   [Frailea pumila subsp. maior]
                                                   [Frailea pumila subsp. pumila]
                                                   [Frailea pumila var. maior]
                                             Frailea pygmaea
                                                   [Frailea pulcherrima]
                                               Frailea pygmaea subsp. albicolumnaris
                                               Frailea pygmaea subsp. pygmaea
                                                     [Frailea pygmaea subsp. altigibbera]
                                                     [Frailea pygmaea subsp. asperispina]
                                                     [Frailea pygmaea subsp. aureinitens]
                                                     [Frailea pygmaea subsp. aureispina]
                                                     [Frailea pygmaea subsp. lilalunula]
                                                     [Frailea pygmaea var. altigibbera]
                                                     [Frailea pygmaea var. lilalunula]
                                               Frailea pygmaea subsp. tuyensis
                                                     [Frailea cataphracta subsp. tuyensis]
                                                     [Frailea cataphracta var. tuyensis]
                                             Frailea schilinzkyana
                                               Frailea schilinzkyana subsp. concepcionensis
                                               Frailea schilinzkyana subsp. schilinzkyana
                                                     [Frailea grahliana subsp. grahliana]
                                                     [Frailea grahliana subsp. moseriana]
                                             Frailea ybatense
                                     Geohintonia
                                             Geohintonia mexicana
                                     Glandulicactus
                                             Glandulicactus crassihamatus
                                                   [Glandulicactus mathssonii]
                                             Glandulicactus uncinatus
                                               Glandulicactus uncinatus subsp. uncinatus
                                                     [Hamatocactus uncinatus]
                                               Glandulicactus uncinatus subsp. wrightii
                                               Glandulicactus uncinatus var. wrightii
                                     Grusonia
                                             Corynopuntia clavata
                                             Corynopuntia emoryi
                                                   [Corynopuntia stanlyi]
                                             Corynopuntia marenae
                                                   [Grusonia marenae]
                                                   [Marenopuntia marenae]
                                                   [Opuntia marenae]
                                             Corynopuntia parishii
                                             Grusonia aggeria
                                                   [Opuntia aggeria]
                                             Grusonia bradtiana
                                                   [Cereus bradtianus]
                                             Grusonia bulbispina
                                             Grusonia clavata
                                             Grusonia densispina
                                             Grusonia emoryi
                                                   [Grusonia stanlyi]
                                                   [Opuntia standlyi]
                                                   [Opuntia stanlyi]
                                             Grusonia grahamii
                                                   [Opuntia agglomerata]
                                                   [Opuntia grahamii]
                                                   [Opuntia schottii var. grahamii]
                                             Grusonia hamiltonii
                                             Grusonia imbricata
                                             Grusonia invicta
                                                   [Corynopuntia invicta]
                                                   [Opuntia invicta]
                                             Grusonia kunzei
                                                   [Corynopuntia kunzei]
                                                   [Opuntia kunzei]
                                                   [Opuntia stanlyi var. kunzei]
                                                   [Opuntia stanlyi var. peeblesiana]
                                                   [Opuntia wrightiana]
                                             Grusonia moelleri
                                             Grusonia parishii
                                                   [Opuntia parishii]
                                                   [Opuntia stanlyi var. parishii]
                                             Grusonia parishiorum
                                             Grusonia pulchella
                                                   [Corynopuntia pulchella]
                                                   [Opuntia barkleyana]
                                                   [Opuntia brachyrhopalica]
                                                   [Opuntia gracilicylindrica]
                                                   [Opuntia pulchella]
                                                   [Opuntia pygmaea]
                                                   [Opuntia spectatissima]
                                                   [Opuntia tuberculosirhopalica]
                                                   [Opuntia wiegandii]
                                             Grusonia reflexispina
                                                   [Corynopuntia reflexispina]
                                                   [Opuntia reflexispina]
                                             Grusonia robertsii
                                             Grusonia schottii
                                                   [Corynopuntia densispina]
                                                   [Opuntia densispina]
                                                   [Opuntia schottii var. schottii]
                                                   [Opuntia schottii]
                                             Grusonia vilis
                                             Grusonia wrightiana
                                     Gymnanthocereus
                                     Gymnocactus
                                             Gymnocactus beguinii
                                     Gymnocalycium
                                           [Gymnocalycium hyptiacanthum]
                                           [Gymnocalycium leptanthum]
                                           [Gymnocalycium mucidum]
                                           [Gymnocalycium netrelianum]
                                           [Gymnocalycium parvulum]
                                           [Gymnocalycium platense]
                                           [Gymnocalycium quehlianum]
                                             Gymnocalycium achirasense
                                             Gymnocalycium acorrugatum
                                             Gymnocalycium alboareolatum
                                             Gymnocalycium amerhauseri
                                                   [Gymnocalycium walteri]
                                             Gymnocalycium andreae
                                                   [Gymnocalycium andreae subsp. andreae]
                                                   [Gymnocalycium andreae subsp. carolinense]
                                             Gymnocalycium anisitsii
                                               Gymnocalycium anisitsii subsp. anisitsii
                                               Gymnocalycium anisitsii subsp. damsii
                                                     [Gymnocalycium anisitsii subsp. multiproliferum]
                                             Gymnocalycium antherostele
                                             Gymnocalycium armatum
                                             Gymnocalycium baldianum
                                                   [Echinocactus baldianus]
                                                   [Gymnocalycium rosae]
                                             Gymnocalycium bayrianum
                                             Gymnocalycium berchtii
                                                   [Gymnocalycium poeschlii]
                                                   [Gymnocalycium terweemeanum]
                                             Gymnocalycium bodenbenderianum
                                                   [Echinocactus bodenbenderianus]
                                                   [Gymnocalycium bodenbenderianum subsp. bodenbenderianum]
                                                   [Gymnocalycium bodenbenderianus]
                                                   [Gymnocalycium piltziorum]
                                                   [Gymnocalycium riojense subsp. kozelskyanum]
                                                   [Gymnocalycium riojense subsp. paucispinum]
                                                   [Gymnocalycium riojense subsp. piltziorum]
                                                   [Gymnocalycium riojense subsp. riojense]
                                                   [Gymnocalycium riojense]
                                             Gymnocalycium borthii
                                             Gymnocalycium bozsingianum
                                             Gymnocalycium brachyanthum
                                             Gymnocalycium brachypetalum
                                             Gymnocalycium bruchii
                                                   [Gymnocalycium albispinum]
                                                   [Gymnocalycium papschii]
                                             Gymnocalycium buenekeri
                                             Gymnocalycium calochlorum
                                                   [Gymnocalycium proliferum]
                                                   [Gymnocalycium sigelianum]
                                             Gymnocalycium capillaense
                                                   [Gymnocalycium deeszianum]
                                                   [Gymnocalycium fischeri]
                                                   [Gymnocalycium sutterianum]
                                             Gymnocalycium cardenasianum
                                             Gymnocalycium castellanosii
                                               Gymnocalycium castellanosii subsp. acorrugatum
                                               Gymnocalycium castellanosii subsp. castellanosii
                                               Gymnocalycium castellanosii subsp. ferocior
                                             Gymnocalycium chiquitanum
                                                   [Gymnocalycium hammerschmidii]
                                                   [Gymnocalycium paediophilum]
                                                   [Gymnocalycium pediophilum]
                                             Gymnocalycium chubutense
                                             Gymnocalycium chuquisacanum
                                             Gymnocalycium damsii
                                             Gymnocalycium delaetii
                                             Gymnocalycium denudatum
                                                   [Gymnocalycium megalothelon]
                                             Gymnocalycium erinaceum
                                             Gymnocalycium eurypleurum
                                             Gymnocalycium ferox
                                             Gymnocalycium ferrarii
                                             Gymnocalycium gerardii
                                             Gymnocalycium gibbosum
                                               Gymnocalycium gibbosum subsp. borthii
                                               Gymnocalycium gibbosum subsp. gibbosum
                                                     [Gymnocalycium gibbosum subsp. ferox]
                                             Gymnocalycium glaucum
                                               Gymnocalycium glaucum subsp. ferrarii
                                               Gymnocalycium glaucum subsp. glaucum
                                             Gymnocalycium horridispinum
                                             Gymnocalycium horstii
                                               Gymnocalycium horstii subsp. buenekeri
                                               Gymnocalycium horstii subsp. horstii
                                             Gymnocalycium hossei
                                                   [Gymnocalycium mazanense]
                                                   [Gymnocalycium nidulans]
                                                   [Gymnocalycium weissianum]
                                             Gymnocalycium hybopleurum
                                             Gymnocalycium izozogsii
                                             Gymnocalycium joossensianum
                                             Gymnocalycium kieslingii
                                             Gymnocalycium kroenleinii
                                             Gymnocalycium lagunillasense
                                             Gymnocalycium leeanum
                                             Gymnocalycium loricatum
                                             Gymnocalycium mackieanum
                                             Gymnocalycium marquezii
                                             Gymnocalycium marsoneri
                                               Gymnocalycium marsoneri subsp. marsoneri
                                               Gymnocalycium marsoneri subsp. matoense
                                                     [Gymnocalycium eytianum]
                                                     [Gymnocalycium hamatum]
                                                     [Gymnocalycium matoense]
                                                     [Gymnocalycium megatae]
                                                     [Gymnocalycium onychacanthum]
                                                     [Gymnocalycium pseudomalacocarpus]
                                                     [Gymnocalycium tudae]
                                             Gymnocalycium mesopotamicum
                                                   [Gymnocalycium angelae]
                                             Gymnocalycium michoga
                                             Gymnocalycium mihanovichii
                                             Gymnocalycium millaresii
                                             Gymnocalycium monvillei
                                               Gymnocalycium monvillei subsp. achirasense
                                               Gymnocalycium monvillei subsp. horridispinum
                                               Gymnocalycium monvillei subsp. monvillei
                                                     [Gymnocalycium monvillei subsp. brachyanthum]
                                                     [Gymnocalycium monvillei subsp. gertrudae]
                                                     [Gymnocalycium monvillei var. gertrudae]
                                             Gymnocalycium mostii
                                                   [Gymnocalycium bicolor]
                                                   [Gymnocalycium grandiflorum]
                                                   [Gymnocalycium immemoratum]
                                                   [Gymnocalycium kurtzianum]
                                                   [Gymnocalycium tobuschianum]
                                                   [Gymnocalycium valnicekianum]
                                               Gymnocalycium mostii subsp. ferocius
                                             Gymnocalycium multiflorum
                                             Gymnocalycium neuhuberi
                                             Gymnocalycium nigriareolatum
                                             Gymnocalycium ochoterenae
                                                   [Gymnocalycium bodenbenderianum subsp. intertextum]
                                                   [Gymnocalycium intertextum]
                                                   [Gymnocalycium moserianum]
                                                   [Gymnocalycium ochoterenae subsp. herbsthoferianum]
                                                   [Gymnocalycium ochoterenae subsp. ochoterenae]
                                                   [Gymnocalycium ochoterenae subsp. vatteri]
                                                   [Gymnocalycium vatteri]
                                             Gymnocalycium oenanthemum
                                                   [Gymnocalycium ambatoense]
                                                   [Gymnocalycium carminanthum]
                                                   [Gymnocalycium tillianum]
                                             Gymnocalycium paraguayense
                                                   [Gymnocalycium fleischerianum var. anoplum]
                                                   [Gymnocalycium fleischerianum var. fleischerianum]
                                                   [Gymnocalycium fleischerianum]
                                                   [Gymnocalycium paraguayense f. fleischerianum]
                                             Gymnocalycium pflanzii
                                               Gymnocalycium pflanzii subsp. argentinense
                                               Gymnocalycium pflanzii subsp. pflanzii
                                               Gymnocalycium pflanzii subsp. zegarrae
                                             Gymnocalycium pugionacanthum
                                                   [Gymnocalycium catamarcense subsp. acinacispinum]
                                                   [Gymnocalycium catamarcense subsp. catamarcense]
                                                   [Gymnocalycium catamarcense subsp. schmidianum]
                                                   [Gymnocalycium catamarcense]
                                             Gymnocalycium ragonesei
                                             Gymnocalycium reductum
                                               Gymnocalycium reductum var. leeanum
                                               Gymnocalycium reductum var. reductum
                                             Gymnocalycium rhodantherum
                                             Gymnocalycium riograndense
                                             Gymnocalycium ritterianum
                                                   [Gymnocalycium jochumii]
                                             Gymnocalycium robustum
                                             Gymnocalycium saglionis
                                                   [Gymnocalycium saglione]
                                                   [Gymnocalycium tilcarense]
                                               Gymnocalycium saglionis subsp. saglionis
                                               Gymnocalycium saglionis subsp. tilcarense
                                             Gymnocalycium schatzlianum
                                             Gymnocalycium schickendantzii
                                               Gymnocalycium schickendantzii subsp. delaetii
                                               Gymnocalycium schickendantzii subsp. schickendantzii
                                             Gymnocalycium schroederianum
                                                   [Gymnocalycium erolesii]
                                                   [Gymnocalycium schroederianum subsp. bayense]
                                               Gymnocalycium schroederianum subsp. paucicostatum
                                               Gymnocalycium schroederianum subsp. schroederianum
                                             Gymnocalycium schuetzianum
                                             Gymnocalycium spegazzinii
                                               Gymnocalycium spegazzinii subsp. cardenasianum
                                               Gymnocalycium spegazzinii subsp. spegazzinii
                                             Gymnocalycium stellatum
                                                   [Gymnocalycium asterium]
                                                   [Gymnocalycium obductum]
                                                   [Gymnocalycium stellatum subsp. occultum]
                                                   [Gymnocalycium stellatum subsp. stellatum]
                                             Gymnocalycium stenopleurum
                                                   [Gymnocalycium friedrichii]
                                             Gymnocalycium striglianum
                                             Gymnocalycium stuckertii
                                             Gymnocalycium taningaense
                                                   [Gymnocalycium gaponii]
                                             Gymnocalycium uebelmannianum
                                             Gymnocalycium uruguayense
                                                   [Gymnocalycium artigas]
                                                   [Gymnocalycium guerkeanum]
                                                   [Gymnocalycium melanocarpum]
                                                   [Gymnocalycium rauschii]
                                             Gymnocalycium zegarrae
                                     Haageocereus
                                             Haageocereus acanthocladus
                                             Haageocereus achaetus
                                             Haageocereus acranthus
                                               Haageocereus acranthus subsp. acranthus
                                               Haageocereus acranthus subsp. olowinskianus
                                             Haageocereus aureispinus
                                             Haageocereus chalaensis
                                             Haageocereus chilensis
                                             Haageocereus chryseus
                                             Haageocereus clavispinus
                                             Haageocereus decumbens
                                                   [Borzicactus decumbens]
                                                   [Haageocereus ambiguus]
                                                   [Haageocereus australis]
                                                   [Haageocereus litoralis]
                                                   [Haageocereus mamillatus var. brevior]
                                                   [Haageocereus multicolorispinus]
                                                   [Haageocereus subtilispinus]
                                             Haageocereus deflexispinus
                                             Haageocereus dichromus
                                             Haageocereus divaricatispinus
                                             Haageocereus fascicularis
                                             Haageocereus fulvus
                                             Haageocereus icensis
                                             Haageocereus lachayensis
                                             Haageocereus longiareolatus
                                             Haageocereus mamillatus
                                             Haageocereus multangularis
                                             Haageocereus olowinskianus
                                             Haageocereus pacalaensis
                                                   [Haageocereus horrens]
                                                   [Haageocereus laredensis]
                                                   [Haageocereus repens]
                                                   [Haageocereus tenuispinus]
                                             Haageocereus pachystele
                                             Haageocereus peniculatus
                                             Haageocereus piliger
                                             Haageocereus platinospinus
                                                   [Haageocereus pluriflorus]
                                             Haageocereus pseudoacranthus
                                             Haageocereus pseudomelanostele
                                                   [Cereus pseudomelanostele]
                                                   [Haageocereus akersii]
                                                   [Haageocereus albispinus]
                                                   [Haageocereus chosicensis]
                                                   [Haageocereus chrysacanthus]
                                                   [Haageocereus crassiareolatus]
                                               Haageocereus pseudomelanostele subsp. acanthocladus
                                               Haageocereus pseudomelanostele subsp. aureispinus
                                               Haageocereus pseudomelanostele subsp. chryseus
                                               Haageocereus pseudomelanostele subsp. pseudomelanostele
                                                     [Haageocereus kagenekii]
                                                     [Haageocereus pseudomelanostele subsp. carminiflorus]
                                                     [Haageocereus pseudomelanostele var. carminiflorus]
                                               Haageocereus pseudomelanostele subsp. turbidus
                                             Haageocereus pseudoversicolor
                                                   [Haageocereus icosagonoides]
                                             Haageocereus setosus
                                             Haageocereus symmetros
                                             Haageocereus tenuis
                                                   [Haageocereus decumbens subsp. tenuis]
                                                   [Haageocereus lanugispinus]
                                             Haageocereus turbidus
                                             Haageocereus versicolor
                                             Haageocereus vulpes
                                             Haageocereus zangalensis
                                             Haageocereus zonatus
                                     Haagespostoa
                                             Haagespostoa climaxantha
                                     Hamatocactus
                                             Hamatocactus bicolor
                                             Hamatocactus hamatocanthus
                                             Hamatocactus setispinus
                                     Hariota
                                     Harrisia
                                             Harrisia aboriginum
                                             Harrisia adscendens
                                             Harrisia balansae
                                             Harrisia bonplandii
                                                   [Cereus balansae]
                                             Harrisia brookii
                                             Harrisia divaricata
                                             Harrisia donae-antoniae
                                             Harrisia earlei
                                             Harrisia eriophora
                                             Harrisia fernowii
                                             Harrisia fragrans
                                             Harrisia gracilis
                                             Harrisia hurstii
                                             Harrisia martinii
                                                   [Cereus martinii]
                                                   [Eriocereus martinii]
                                             Harrisia pomanensis
                                                   [Harrisia pomanensis subsp. pomanensis]
                                             Harrisia portoricensis
                                             Harrisia regelii
                                                   [Harrisia pomanensis subsp. regelii]
                                             Harrisia simpsonii
                                             Harrisia taetra
                                             Harrisia taylorii
                                             Harrisia tetracantha
                                             Harrisia tortuosa
                                                   [Cereus tortuosus]
                                     Hatiora
                                           [Hatiora x graeseri]
                                             Hatiora cylindrica
                                             Hatiora epiphylloides
                                               Hatiora epiphylloides subsp. bradei
                                               Hatiora epiphylloides subsp. epiphylloides
                                             Hatiora gaertneri
                                             Hatiora herminiae
                                                   [Rhipsalis herminiae]
                                             Hatiora rosea
                                             Hatiora salicornioides
                                                   [Hatiora bambusoides]
                                                   [Rhipsalis salicornioides]
                                     Heliabravoa
                                             Heliabravoa chende
                                     Heliocereus
                                             Heliocereus schrankii
                                                   [Heliocereus coccineus]
                                                   [Heliocereus elegantissimus]
                                               Heliocereus schrankii subsp. stenopetalus
                                                     [Heliocereus elegantissimus var. stenopetalum]
                                             Heliocereus speciosus
                                     Homalocephala
                                     Hylocereus
                                           [Hylocereus microcladus]
                                             Hylocereus calcaratus
                                             Hylocereus costaricensis
                                             Hylocereus escuintlensis
                                             Hylocereus extensus
                                                   [Cereus extensus]
                                                   [Selenicereus extensus]
                                             Hylocereus lemairei
                                                   [Hylocereus venezuelensis]
                                             Hylocereus megalanthus
                                                   [Mediocactus megalanthus]
                                                   [Selenicereus megalanthus]
                                             Hylocereus minutiflorus
                                             Hylocereus monacanthus
                                                   [Cereus lamairei]
                                                   [Cereus lemairei]
                                                   [Hylocereus estebanensis]
                                                   [Hylocereus peruvianus]
                                                   [Hylocereus polyrhizus]
                                                   [Hylocereus scandens]
                                             Hylocereus ocamponis
                                             Hylocereus purpusii
                                             Hylocereus setaceus
                                                   [Cereus hassleri]
                                                   [Cereus lindbergianus]
                                                   [Cereus lindmanii]
                                                   [Mediocactus hassleri]
                                                   [Mediocactus lindmanii]
                                                   [Selenicereus rizzini]
                                                   [Selenicereus setaceus]
                                             Hylocereus stenopterus
                                             Hylocereus triangularis
                                                   [Hylocereus antiguensis]
                                                   [Hylocereus compressus]
                                                   [Hylocereus cubensis]
                                                   [Hylocereus napoleonis]
                                                   [Hylocereus plumieri]
                                             Hylocereus tricae
                                                   [Selenicereus tricae]
                                             Hylocereus trigonus
                                                   [Cereus triangularis]
                                             Hylocereus undatus
                                                   [Hylocereus guatemalensis]
                                     Hymenorebutia
                                     Islaya
                                             Islaya paucispina
                                     Isolatocereus
                                             Isolatocereus dumortieri
                                                   [Lemaireocereus dumortieri]
                                     Jasminocereus
                                             Jasminocereus thouarsii
                                                   [Jasminocereus galapagensis]
                                                   [Jasminocereus howellii]
                                                   [Jasminocereus sclerocarpus]
                                               Jasminocereus thouarsii var. delicatus
                                     Kimnachia
                                             Kimnachia ramulosa
                                               Kimnachia ramulosa subsp. ramulosa
                                                     [Rhipsalis coriacea]
                                     Kroenleinia
                                             Kroenleinia grusonii
                                     Lamaireocereus
                                     Lasiocereus
                                             Lasiocereus fulvus
                                             Lasiocereus rupicola
                                     Lemaireocereus
                                             Lemaireocereus hystrix
                                             Lemaireocereus montanus
                                             Lemaireocereus pruinosus
                                     Leocereus
                                             Leocereus bahiensis
                                                   [Leocereus bahiensis subsp. barreirensis]
                                                   [Leocereus bahiensis subsp. exiguospinus]
                                                   [Leocereus bahiensis subsp. robustispinus]
                                                   [Leocereus bahiensis subsp. urandianus]
                                                   [Leocereus bahiensis var. barreirensis]
                                                   [Leocereus bahiensis var. exiguospinus]
                                                   [Leocereus bahiensis var. robustispinus]
                                                   [Leocereus urandianus]
                                     Lepismium
                                             Lepismium cruciforme
                                                   [Rhipsalis cruciformis]
                                                   [Rhipsalis squamulosa]
                                             Lepismium gibberulum
                                             Lepismium houlletianum
                                                   [Rhipsalis houlletiana]
                                                   [Rhipsalis regnellii]
                                             Lepismium incachacanum
                                                   [Rhipsalis incachacana]
                                             Lepismium lorentzianum
                                                   [Rhipsalis lorentziana]
                                             Lepismium lumbricoides
                                                   [Lepismium aculeatum]
                                                   [Rhipsalis aculeata]
                                                   [Rhipsalis leucorhaphis]
                                                   [Rhipsalis loefgrenii]
                                             Lepismium pittieri
                                             Lepismium pulvinigerum
                                             Lepismium puniceodiscus
                                             Lepismium tucumanense
                                             Lepismium warmingianum
                                                   [Lepismium lineare]
                                                   [Rhipsalis gonocarpa]
                                                   [Rhipsalis linearis]
                                                   [Rhipsalis warmingiana]
                                     Leptocereus
                                             Leptocereus arboreus
                                             Leptocereus assurgens
                                                   [Leptocereus ekmanii]
                                                   [Leptocereus prostratus]
                                             Leptocereus carinatus
                                             Leptocereus demissus
                                             Leptocereus grantianus
                                             Leptocereus leonii
                                             Leptocereus paniculatus
                                                   [Neoabbottia paniculata]
                                             Leptocereus quadricostatus
                                             Leptocereus scopulophilus
                                             Leptocereus sylvestris
                                                   [Leptocereus maxonii]
                                                   [Leptocereus santamarinae]
                                             Leptocereus undulosus
                                             Leptocereus velozianus
                                             Leptocereus weingartianus
                                             Leptocereus wrightii
                                     Leuchtenbergia
                                             Leuchtenbergia principis
                              Leuenbergerioideae
                                     Leuenbergeria
                                             Leuenbergeria bleo
                                                   [Pereskia corrugata]
                                                   [Rhodocactus bleo]
                                             Leuenbergeria marcanoi
                                             Leuenbergeria portulacifolia
                                     Lobivia
                                             Lobivia adpressispina
                                             Lobivia arachnacantha
                                             Lobivia auranitida
                                             Lobivia bridgesii
                                             Lobivia cachensis
                                             Lobivia caespitosa
                                             Lobivia campicola
                                             Lobivia corbula
                                             Lobivia cornuta
                                             Lobivia culpinensis
                                             Lobivia emmae
                                             Lobivia euanthema
                                             Lobivia famatinensis
                                             Lobivia lateritia
                                             Lobivia maximiliana
                                               Lobivia maximiliana subsp. westii
                                             Lobivia nealeana
                                             Lobivia oxyalabastra
                                             Lobivia pseudocachensis
                                             Lobivia pugionacantha
                                             Lobivia rossii
                                             Lobivia saltensis
                                             Lobivia schreiteri
                                             Lobivia versicolor
                                             Lobivia winteriana
                                             Lobivia wrightiana
                                             Lobivia zencheri
                                     Lophocereus
                                             Lophocereus marginatus
                                     Lophophora
                                             Lophophora alberto-vojtechii
                                             Lophophora diffusa
                                             Lophophora fricii
                                             Lophophora williamsii
                                                   [Anhalonium lewinii]
                                                   [Lophophora williamsii var. echinata]
                                     Loxanthocereus
                                     Machaerocereus
                                             Machaerocereus eruca
                                             Machaerocereus gummosus
                                     Maihuenia
                                             Maihuenia patagonica
                                                   [Maihuenia albolanata]
                                                   [Maihuenia brachydelphys]
                                                   [Maihuenia cumulata]
                                                   [Maihuenia latispina]
                                                   [Maihuenia valentinii]
                                                   [Opuntia patagonica]
                                             Maihuenia poeppigii
                                                   [Maihuenia philippii]
                              Maihuenioideae
                                     Maihueniopsis
                                             Maihueniopsis archiconoidea
                                                   [Opuntia archiconoidea]
                                             Maihueniopsis atacamensis
                                             Maihueniopsis camachoi
                                             Maihueniopsis clavarioides
                                                   [Opuntia clavarioides]
                                                   [Puna clavarioides]
                                             Maihueniopsis colorea
                                             Maihueniopsis conoidea
                                                   [Opuntia conoidea]
                                                   [Tephrocactus conoideus]
                                             Maihueniopsis darwinii
                                                   [Opuntia darwinii]
                                             Maihueniopsis domeykoensis
                                             Maihueniopsis glomerata
                                                   [Maihueniopsis albomarginata]
                                                   [Maihueniopsis crassispina]
                                                   [Maihueniopsis grandiflora]
                                                   [Maihueniopsis leptoclada]
                                                   [Maihueniopsis mandragora]
                                                   [Maihueniopsis molfinoi]
                                                   [Maihueniopsis neuquensis]
                                                   [Maihueniopsis ovallei]
                                                   [Maihueniopsis ovata]
                                                   [Maihueniopsis rahmeri]
                                                   [Maihueniopsis tarapacana]
                                                   [Opuntia atacamensis]
                                                   [Opuntia camachoi]
                                                   [Opuntia colorea]
                                                   [Opuntia crassipina]
                                                   [Opuntia crassispina]
                                                   [Opuntia domeykoensis]
                                                   [Opuntia llanos-de-huanta]
                                                   [Opuntia ovallei]
                                                   [Opuntia ovata]
                                                   [Opuntia rahmeri]
                                                   [Opuntia tarapacana]
                                                   [Opuntia wagenknechtii]
                                                   [Opuntia wetmorei]
                                                   [Tephrocactus atacamensis]
                                                   [Tephrocactus camachoi]
                                                   [Tephrocactus coloreus]
                                                   [Tephrocactus glomeratus]
                                                   [Tephrocactus hickenii]
                                                   [Tephrocactus neuquensis]
                                                   [Tephrocactus reicheanus]
                                                   [Tephrocactus russellii]
                                                   [Tephrocactus tarapacanus]
                                             Maihueniopsis hypogaea
                                             Maihueniopsis leoncito
                                             Maihueniopsis minuta
                                                   [Opuntia minuta]
                                                   [Tephrocactus mandragora]
                                                   [Tephrocactus minutus]
                                             Maihueniopsis nigrispina
                                             Maihueniopsis subterranea
                                                   [Cumulopuntia subterranea]
                                                   [Opuntia subterranea]
                                                   [Puna subterranea]
                                                   [Tephrocactus subterraneus]
                                                   [Tephrocactus variiflorus]
                                     Mamillopsis
                                     Mammillaria
                                           [Mammillaria goodridgii]
                                           [Mammillaria hamata]
                                           [Mammillaria mieheana]
                                           [Mammillaria scheinvariana]
                                             Mammillaria alamensis
                                             Mammillaria albescens
                                             Mammillaria albicans
                                                   [Neomammillaria slevinii]
                                               Mammillaria albicans subsp. albicans
                                               Mammillaria albicans subsp. fraileana
                                             Mammillaria albicoma
                                             Mammillaria albiflora
                                             Mammillaria albilanata
                                               Mammillaria albilanata subsp. albilanata
                                                     [Mammillaria fuauxiana]
                                                     [Mammillaria igualensis]
                                               Mammillaria albilanata subsp. oaxacana
                                                     [Mammillaria ignota]
                                                     [Mammillaria lanigera]
                                                     [Mammillaria monticola]
                                               Mammillaria albilanata subsp. reppenhagenii
                                                     [Mammillaria reppenhagenii]
                                               Mammillaria albilanata subsp. tegelbergiana
                                                     [Mammillaria tegelbergiana]
                                             Mammillaria angelensis
                                             Mammillaria anniana
                                             Mammillaria apamensis
                                             Mammillaria arida
                                             Mammillaria armillata
                                                   [Mammillaria armillata subsp. armillata]
                                             Mammillaria aureilanata
                                             Mammillaria aurihamata
                                             Mammillaria backebergiana
                                               Mammillaria backebergiana subsp. backebergiana
                                               Mammillaria backebergiana subsp. ernestii
                                                     [Mammillaria ernestii]
                                                     [Mammillaria isotensis]
                                             Mammillaria balsasoides
                                             Mammillaria bambusiphila
                                             Mammillaria barbata
                                                   [Mammillaria garessii]
                                                   [Mammillaria morricalii]
                                                   [Mammillaria santaclarensis]
                                             Mammillaria baumii
                                                   [Dolichothele baumii]
                                             Mammillaria baxteriana
                                             Mammillaria bella
                                             Mammillaria beneckei
                                                   [Dolichothele balsasoides]
                                                   [Dolichothele beneckei]
                                                   [Dolichothele nelsonii]
                                                   [Mammillaria barkeri]
                                                   [Mammillaria colonensis]
                                                   [Mammillaria guiengolensis]
                                             Mammillaria berkiana
                                             Mammillaria blossfeldiana
                                                   [Mammillaria shurliana]
                                               Mammillaria blossfeldiana var. blossfeldiana
                                               Mammillaria blossfeldiana var. shurliana
                                             Mammillaria bocasana
                                                   [Mammillaria hirsuta]
                                                   [Mammillaria knebeliana]
                                                   [Mammillaria kunzeana]
                                                   [Mammillaria longicoma]
                                               Mammillaria bocasana subsp. bocasana
                                               Mammillaria bocasana subsp. eschauzieri
                                                     [Neomammillaria longicoma]
                                             Mammillaria bocensis
                                                   [Mammillaria neoschwarzeana]
                                               Mammillaria bocensis var. bocensis
                                               Mammillaria bocensis var. movasana
                                             Mammillaria boedekeriana
                                             Mammillaria boelderliana
                                             Mammillaria bombycina
                                               Mammillaria bombycina subsp. bombycina
                                               Mammillaria bombycina subsp. perezdelarosae
                                             Mammillaria boolii
                                             Mammillaria brachytrichion
                                             Mammillaria brandegeei
                                               Mammillaria brandegeei subsp. brandegeei
                                               Mammillaria brandegeei subsp. glareosa
                                               Mammillaria brandegeei subsp. lewisiana
                                             Mammillaria candida
                                                   [Mammillaria estanzuelensis]
                                                   [Mammillaria ortiz-rubiona]
                                             Mammillaria capensis
                                             Mammillaria carmenae
                                             Mammillaria carnea
                                                   [Neomammillaria carnea]
                                             Mammillaria carretii
                                                   [Neomammillaria saffordii]
                                             Mammillaria celsiana
                                             Mammillaria centraliplumosa
                                             Mammillaria cerralboa
                                                   [Mammillaria armillata subsp. cerralboa]
                                                   [Neomammillaria cerralboa]
                                             Mammillaria chapinensis
                                             Mammillaria chiapensis
                                             Mammillaria chionocephala
                                                   [Mammillaria formosa subsp. chionocephala]
                                             Mammillaria coahuilensis
                                                   [Mammillaria albiarmata]
                                                   [Mammillaria coahuilensis subsp. albiarmata]
                                                   [Mammillaria coahuilensis subsp. coahuilensis]
                                                   [Mammillaria heyderi subsp. coahuilensis]
                                             Mammillaria columbiana
                                               Mammillaria columbiana subsp. columbiana
                                             Mammillaria compressa
                                                   [Mammillaria esseriana]
                                               Mammillaria compressa subsp. centralifera
                                                     [Mammillaria centralifera]
                                               Mammillaria compressa subsp. compressa
                                                     [Mammillaria bernalensis]
                                                     [Mammillaria tolimensis]
                                                     [Neomammillaria compressa]
                                             Mammillaria crassior
                                             Mammillaria crinita
                                                   [Mammillaria pubispina]
                                               Mammillaria crinita subsp. leucantha
                                                     [Mammillaria aureoviridis]
                                                     [Mammillaria brevicrinita]
                                                     [Mammillaria erectohamata]
                                                     [Mammillaria leucantha]
                                                     [Mammillaria moeller-valdeziana]
                                                     [Mammillaria puberula]
                                               Mammillaria crinita subsp. painteri
                                                     [Neomammillaria pygmaea]
                                               Mammillaria crinita subsp. wildii
                                                     [Mammillaria calleana]
                                               mammillaria crinita subsp. crinita
                                                     [Mammillaria mollihamata]
                                                     [Mammillaria pygmaea]
                                                     [Neomammillaria seideliana]
                                             Mammillaria crucigera
                                                   [Mammillaria buchenaui]
                                               Mammillaria crucigera subsp. crucigera
                                               Mammillaria crucigera subsp. tlalocii
                                                     [Mammillaria tlalocii]
                                             Mammillaria dawsonii
                                             Mammillaria decipiens
                                               Mammillaria decipiens subsp. albescens
                                               Mammillaria decipiens subsp. decipiens
                                             Mammillaria deherdtiana
                                               Mammillaria deherdtiana subsp. deherdtiana
                                               Mammillaria deherdtiana subsp. dodsonii
                                             Mammillaria densispina
                                                   [Cactus densispinus]
                                                   [Mammillaria buxbaumeriana]
                                                   [Neomammillaria densispina]
                                             Mammillaria denudata
                                             Mammillaria dioica
                                                   [Mammillaria dioica var. incerta]
                                               Mammillaria dioica subsp. angelensis
                                               Mammillaria dioica subsp. dioica
                                                     [Neomammillaria dioica]
                                               Mammillaria dioica subsp. estebanensis
                                             Mammillaria discolor
                                                   [Mammillaria discolor subsp. discolor]
                                                   [Mammillaria discolor subsp. esperanzaensis]
                                                   [Mammillaria ochoterenae]
                                                   [Mammillaria pachyrhiza]
                                                   [Mammillaria schmollii]
                                             Mammillaria dixanthocentron
                                             Mammillaria dodsonii
                                             Mammillaria dumetorum
                                             Mammillaria duoformis
                                                   [Mammillaria claviformis]
                                                   [Mammillaria erythrocalix]
                                                   [Mammillaria rossiana]
                                             Mammillaria duwei
                                             Mammillaria eichlamii
                                                   [Mammillaria voburnensis var. eichlamii]
                                             Mammillaria ekmanii
                                             Mammillaria elegans
                                             Mammillaria elephantidens
                                             Mammillaria elongata
                                               Mammillaria elongata subsp. echinaria
                                                     [Mammillaria echinaria]
                                               Mammillaria elongata subsp. elongata
                                               Mammillaria elongata var. echinaria
                                             Mammillaria eriacantha
                                             Mammillaria erythrosperma
                                                   [Mammillaria multiformis]
                                                   [Neomammillaria multiformis]
                                             Mammillaria estebanensis
                                             Mammillaria evermanniana
                                                   [Neomammillaria evermanniana]
                                             Mammillaria fittkaui
                                                   [Mammillaria variabilis]
                                               Mammillaria fittkaui subsp. fittkaui
                                               Mammillaria fittkaui subsp. limonensis
                                                     [Mammillaria limonensis]
                                                     [Mammillaria manana]
                                             Mammillaria flavicentra
                                             Mammillaria formosa
                                                   [Mammillaria arroyensis]
                                               Mammillaria formosa subsp. formosa
                                               Mammillaria formosa subsp. microthele
                                                     [Mammillaria microthele]
                                               Mammillaria formosa subsp. pseudocrucigera
                                                     [Mammillaria pseudocrucigera]
                                             Mammillaria fragrans
                                             Mammillaria fraileana
                                             Mammillaria gabbii
                                             Mammillaria gasseriana
                                                   [Mammillaria chica]
                                                   [Mammillaria viescensis]
                                             Mammillaria gatesii
                                             Mammillaria gaumeri
                                                   [Mammillaria heyderi subsp. gaumeri]
                                                   [Neomammillaria gaumeri]
                                             Mammillaria geminispina
                                               Mammillaria geminispina subsp. geminispina
                                                     [Neomammillaria elegans]
                                               Mammillaria geminispina subsp. leucocentra
                                                     [Mammillaria albata]
                                                     [Mammillaria leucocentra]
                                               Mammillaria geminispina var. nobilis
                                             Mammillaria gigantea
                                                   [Mammillaria armatissima]
                                                   [Mammillaria hamiltonhoytiae]
                                                   [Mammillaria ocotillensis]
                                                   [Mammillaria saint-pieana]
                                             Mammillaria giselae
                                             Mammillaria glareosa
                                             Mammillaria glassii
                                                   [Mammillaria ascensionis]
                                                   [Mammillaria glassii subsp. ascensionis]
                                                   [Mammillaria glassii subsp. glassii]
                                                   [Mammillaria glassii var. ascensionis]
                                             Mammillaria glochidiata
                                             Mammillaria goldii
                                             Mammillaria goodridgei
                                                   [Neomammillaria goodridgei]
                                               Mammillaria goodridgei var. goodridgei
                                               Mammillaria goodridgei var. rectispina
                                             Mammillaria gracilis
                                             Mammillaria graessneriana
                                             Mammillaria grahamii
                                               Mammillaria grahamii subsp. grahamii
                                                     [Mammillaria microcarpa subsp. grahamii]
                                                     [Mammillaria microcarpa var. milleri]
                                                     [Mammillaria milleri var. grahamii]
                                                     [Neomammillaria microcarpa]
                                                     [Neomammillaria oliviae]
                                               Mammillaria grahamii subsp. sheldonii
                                                     [Mammillaria marnieriana]
                                                     [Neomammillaria sheldonii]
                                               Mammillaria grahamii var. grahamii
                                                     [Mammillaria microcarpa var. auricarpa]
                                                     [Mammillaria microcarpa]
                                                     [Mammillaria milleri]
                                               Mammillaria grahamii var. oliviae
                                                     [Mammillaria oliviae]
                                             Mammillaria grusonii
                                                   [Mammillaria durangicola]
                                                   [Mammillaria papasquiarensis]
                                                   [Mammillaria zeyeriana]
                                             Mammillaria gueldemanniana
                                               Mammillaria gueldemanniana var. guirocobensis
                                             Mammillaria guelzowiana
                                             Mammillaria guerreronis
                                                   [Mammillaria zapilotensis]
                                             Mammillaria guillauminiana
                                             Mammillaria guirocobensis
                                             Mammillaria haageana
                                                   [Mammillaria albidula]
                                                   [Mammillaria collina]
                                                   [Mammillaria conspicua]
                                                   [Mammillaria donatii]
                                                   [Mammillaria haageana subsp. acultzingensis]
                                                   [Mammillaria haageana subsp. conspicua]
                                                   [Mammillaria haageana subsp. elegans]
                                                   [Mammillaria haageana subsp. haageana]
                                                   [Mammillaria haageana subsp. san-angelensis]
                                                   [Mammillaria haageana subsp. schmollii]
                                                   [Mammillaria haageana var. schmollii]
                                                   [Mammillaria meissneri]
                                                   [Mammillaria sanangelensis]
                                                   [Mammillaria vaupelii]
                                             Mammillaria haasii
                                             Mammillaria hahniana
                                                   [Mammillaria bravoae]
                                                   [Mammillaria hahniana subsp. bravoae]
                                                   [Mammillaria hahniana subsp. hahniana]
                                                   [Mammillaria hahniana subsp. mendeliana]
                                                   [Mammillaria hahniana subsp. woodsii]
                                                   [Mammillaria mendeliana]
                                                   [Mammillaria woodsii]
                                             Mammillaria halbingeri
                                             Mammillaria heidiae
                                             Mammillaria hennisii
                                             Mammillaria hermosana
                                             Mammillaria hernandezii
                                             Mammillaria herrerae
                                                   [Neomammillaria herrerae]
                                             Mammillaria hertrichiana
                                               Mammillaria hertrichiana var. hertrichiana
                                               Mammillaria hertrichiana var. robustior
                                             Mammillaria heyderi
                                                   [Mammillaria parrasensis]
                                               Mammillaria heyderi subsp. gummifera
                                                     [Mammillaria heyderi var. gummifera]
                                                     [Neomammillaria gummifera]
                                               Mammillaria heyderi subsp. hemisphaerica
                                                     [Mammillaria applanata]
                                                     [Mammillaria hemisphaerica]
                                                     [Neomammillaria applanata]
                                                     [Neomammillaria hemisphaerica]
                                               Mammillaria heyderi subsp. heyderi
                                                     [Neomammillaria heyderi]
                                               Mammillaria heyderi var. bullingtoniana
                                               Mammillaria heyderi var. hemisphaerica
                                               Mammillaria heyderi var. heyderi
                                                     [Mammillaria gummifera var. applanata]
                                                     [Mammillaria heyderi var. applanata]
                                             Mammillaria huitzilopochtli
                                               Mammillaria huitzilopochtli subsp. huitzilopochtli
                                               Mammillaria huitzilopochtli subsp. niduliformis
                                             Mammillaria humboldtii
                                             Mammillaria hutchisoniana
                                               Mammillaria hutchisoniana subsp. hutchisoniana
                                                     [Mammillaria bullardiana]
                                               Mammillaria hutchisoniana subsp. louisae
                                                     [Mammillaria louiseae]
                                             Mammillaria insularis
                                             Mammillaria jaliscana
                                                   [Neomammillaria jaliscana]
                                               Mammillaria jaliscana subsp. jaliscana
                                               Mammillaria jaliscana subsp. zacatecasensis
                                                     [Mammillaria zacatecasensis]
                                             Mammillaria johnstonii
                                             Mammillaria karwinskiana
                                                   [Mammillaria ebenacantha]
                                                   [Mammillaria strobilina]
                                                   [Mammillaria woburnensis]
                                                   [Neomammillaria conzattii]
                                               Mammillaria karwinskiana subsp. beiselii
                                                     [Mammillaria beiselii]
                                                     [Mammillaria nagliana]
                                               Mammillaria karwinskiana subsp. collinsii
                                                     [Mammillaria collinsii]
                                                     [Mammillaria tropica]
                                               Mammillaria karwinskiana subsp. karwinskiana
                                                     [Mammillaria confusa]
                                                     [Mammillaria neomystax]
                                               Mammillaria karwinskiana subsp. nejapensis
                                                     [Mammillaria nejapensis]
                                             Mammillaria klissingiana
                                                   [Mammillaria brauneana]
                                             Mammillaria knippeliana
                                             Mammillaria kraehenbuehlii
                                             Mammillaria kuentziana
                                             Mammillaria lanata
                                                   [Neomammillaria lanata]
                                             Mammillaria laneusumma
                                             Mammillaria lasiacantha
                                                   [Mammillaria lasiacantha subsp. hyalina]
                                                   [Mammillaria lasiacantha subsp. magallanii]
                                                   [Mammillaria lasiacantha var. denudata]
                                                   [Mammillaria lengdobleriana]
                                                   [Mammillaria neobertrandiana]
                                                   [Mammillaria wohlschlageri]
                                               Mammillaria lasiacantha subsp. egregia
                                                     [Mammillaria egregia]
                                               Mammillaria lasiacantha subsp. lasiacantha
                                                     [Neomammillaria denudata]
                                                     [Neomammillaria lasiacantha]
                                             Mammillaria laui
                                               Mammillaria laui subsp. dasyacantha
                                               Mammillaria laui subsp. laui
                                               Mammillaria laui subsp. subducta
                                             Mammillaria leei
                                             Mammillaria lenta
                                             Mammillaria lewisiana
                                                   [Mammillaria brandegeei subsp. gabbii]
                                             Mammillaria linaresensis
                                                   [Mammillaria melanocentra subsp. linaresensis]
                                             Mammillaria lindsayi
                                               Mammillaria lindsayi var. robustior
                                             Mammillaria littoralis
                                             Mammillaria lloydii
                                                   [Neomammillaria lloydii]
                                             Mammillaria longiflora
                                                   [Neomammillaria longiflora]
                                               Mammillaria longiflora subsp. longiflora
                                                     [Mammillaria longiflora subsp. stampferi]
                                                     [Mammillaria stampferi]
                                               Mammillaria longiflora subsp. tepexicensis
                                                     [Mammillaria tepexicensis]
                                             Mammillaria longimamma
                                                   [Dolichothele longimamma]
                                                   [Dolichothele uberiformis]
                                                   [Mammillaria longimanna]
                                                   [Mammillaria uberiformis]
                                               Mammillaria longimamma var. sphaerica
                                             Mammillaria louisae
                                             Mammillaria luethyi
                                             Mammillaria macdougalii
                                                   [Mammillaria gummifera var. hemisphaerica]
                                                   [Mammillaria gummifera var. macdougalii]
                                                   [Mammillaria gummifera]
                                                   [Mammillaria heyderi subsp. macdougalii]
                                                   [Mammillaria heyderi var. macdougalii]
                                             Mammillaria macromeris
                                             Mammillaria magallanii
                                             Mammillaria magneticola
                                             Mammillaria magnifica
                                             Mammillaria magnimamma
                                                   [Mammillaria bucareliensis]
                                                   [Mammillaria macracantha]
                                                   [Mammillaria priessnitzii]
                                                   [Mammillaria saxicola]
                                                   [Mammillaria vagaspina]
                                                   [Mammillaria vallensis]
                                                   [Mammillaria zuccariniana]
                                             Mammillaria mainiae
                                                   [Mammillaria mainae]
                                                   [Neomammillaria mainiae]
                                             Mammillaria mammillaris
                                                   [Mammillaria pseudosimplex]
                                             Mammillaria marcosii
                                                   [Mammillaria multihamata]
                                             Mammillaria marksiana
                                             Mammillaria marnierana
                                             Mammillaria marshalliana
                                             Mammillaria mathildae
                                             Mammillaria matudae
                                                   [Mammillaria compacticaulis]
                                             Mammillaria mayensis
                                             Mammillaria mazatlanensis
                                                   [Mammillaria mazatlanensis subsp. mazatlanensis]
                                                   [Mammillaria mazatlanensis subsp. patonii]
                                                   [Mammillaria patonii]
                                                   [Neomammillaria occidentalis]
                                               Mammillaria mazatlanensis var. monocentra
                                             Mammillaria meiacantha
                                                   [Mammillaria heyderi var. meiacantha]
                                             Mammillaria melaleuca
                                             Mammillaria melanocentra
                                                   [Neomammillaria runyonii]
                                               Mammillaria melanocentra subsp. melanocentra
                                                     [Neomammillaria melanocentra]
                                               Mammillaria melanocentra subsp. rubrograndis
                                                     [Mammillaria rubrograndis]
                                             Mammillaria mercadensis
                                             Mammillaria meyranii
                                             Mammillaria microhelia
                                                   [Mammillaria droegeana]
                                                   [Mammillaria microheliopsis]
                                             Mammillaria moelleriana
                                                   [Mammillaria cowperae]
                                             Mammillaria montensis
                                               Mammillaria montensis var. monocentra
                                               Mammillaria montensis var. montensis
                                               Mammillaria montensis var. quadricentra
                                             Mammillaria morganiana
                                             Mammillaria multiceps
                                             Mammillaria multidigitata
                                             Mammillaria mystax
                                                   [Mammillaria atroflorens]
                                                   [Mammillaria casoi]
                                                   [Mammillaria erythra]
                                                   [Mammillaria huajuapensis]
                                                   [Mammillaria mixtecensis]
                                             Mammillaria nana
                                                   [Mammillaria felipensis]
                                                   [Mammillaria monancistracantha]
                                                   [Mammillaria monancistria]
                                             Mammillaria napina
                                             Mammillaria nazasensis
                                             Mammillaria neopalmeri
                                                   [Mammillaria palmeri]
                                                   [Neomammillaria palmeri]
                                             Mammillaria nickelsiae
                                             Mammillaria nivosa
                                             Mammillaria nunezii
                                                   [Neomammillaria nunezii]
                                               Mammillaria nunezii subsp. bella
                                               Mammillaria nunezii subsp. nunezii
                                                     [Mammillaria hubertmulleri]
                                                     [Mammillaria machucae]
                                                     [Mammillaria silvatica]
                                                     [Mammillaria solisii]
                                                     [Mammillaria supraflumen]
                                                     [Mammillaria wuthenauiana]
                                             Mammillaria occidentalis
                                               Mammillaria occidentalis var. monocentra
                                             Mammillaria orcuttii
                                                   [Mammillaria amajacensis]
                                             Mammillaria ortegae
                                                   [Neomammillaria ortegae]
                                             Mammillaria oteroi
                                             Mammillaria pachycylindrica
                                                   [Mammillaria mexicensis]
                                             Mammillaria pacifica
                                             Mammillaria painteri
                                             Mammillaria parkinsonii
                                                   [Mammillaria auriareolis]
                                                   [Mammillaria neocrucigera]
                                                   [Mammillaria rosensis]
                                             Mammillaria pectinifera
                                               Mammillaria pectinifera subsp. pectinifera
                                               Mammillaria pectinifera subsp. solisioides
                                             Mammillaria peninsularis
                                             Mammillaria pennispinosa
                                               Mammillaria pennispinosa subsp. nazasensis
                                               Mammillaria pennispinosa subsp. pennispinosa
                                             Mammillaria perbella
                                                   [Mammillaria avila-camachoi]
                                                   [Mammillaria cadereytensis]
                                                   [Mammillaria infernillensis]
                                                   [Mammillaria queretarica]
                                             Mammillaria perezdelarosae
                                                   [Mammillaria perezdelarosae subsp. perezdelarosae]
                                             Mammillaria petrophila
                                               Mammillaria petrophila subsp. arida
                                                     [Neomammillaria arida]
                                               Mammillaria petrophila subsp. baxteriana
                                               Mammillaria petrophila subsp. petrophila
                                             Mammillaria petterssonii
                                                   [Mammillaria apozolensis]
                                                   [Mammillaria huiguerensis]
                                                   [Mammillaria obscura]
                                             Mammillaria phitauiana
                                             Mammillaria picta
                                                   [Mammillaria aurisaeta]
                                                   [Mammillaria picta subsp. picta]
                                                   [Mammillaria picta subsp. viereckii]
                                                   [Mammillaria schieliana]
                                                   [Mammillaria viereckii]
                                             Mammillaria pilispina
                                                   [Mammillaria rayonensis]
                                                   [Mammillaria sanluisensis]
                                                   [Mammillaria subtilis]
                                             Mammillaria pitcayensis
                                             Mammillaria plumosa
                                             Mammillaria polyedra
                                             Mammillaria polythele
                                               Mammillaria polythele subsp. obconella
                                                     [Mammillaria ingens]
                                               Mammillaria polythele subsp. polythele
                                                     [Mammillaria durispina]
                                                     [Mammillaria hidalgensis]
                                                     [Mammillaria hoffmannseggii]
                                                     [Mammillaria kelleriana]
                                                     [Mammillaria neophaeacantha]
                                                     [Mammillaria polythele subsp. durispina]
                                                     [Mammillaria subdurispina]
                                                     [Mammillaria tetracantha]
                                                     [Mammillaria xochipilli]
                                                     [Neomammillaria polythele]
                                             Mammillaria pottsii
                                                   [Coryphantha pottsii]
                                                   [Neomammillaria pottsii]
                                             Mammillaria pringlei
                                                   [Mammillaria parensis]
                                                   [Neomammillaria pringlei]
                                             Mammillaria prolifera
                                                   [Mammillaria glomerata]
                                               Mammillaria prolifera subsp. arachnoidea
                                               Mammillaria prolifera subsp. haitiensis
                                               Mammillaria prolifera subsp. prolifera
                                                     [Neomammillaria prolifera]
                                               Mammillaria prolifera subsp. texana
                                                     [Neomammillaria multiceps]
                                               Mammillaria prolifera var. texana
                                             Mammillaria pseudoalamensis
                                             Mammillaria radiaissima
                                             Mammillaria rekoi
                                                   [Mammillaria albrechtiana]
                                                   [Mammillaria krassuckae]
                                                   [Mammillaria mitlensis]
                                                   [Mammillaria pseudorekoi]
                                                   [Mammillaria pullihamata]
                                                   [Mammillaria sanjuanensis]
                                                   [Neomammillaria rekoi]
                                               Mammillaria rekoi subsp. aureispina
                                                     [Mammillaria aureispina]
                                               Mammillaria rekoi subsp. leptacantha
                                                     [Mammillaria leptacantha]
                                               Mammillaria rekoi subsp. rekoi
                                                     [Mammillaria rekoiana]
                                             Mammillaria rettigiana
                                                   [Mammillaria flavihamata]
                                                   [Mammillaria gilensis]
                                                   [Mammillaria posseltiana]
                                             Mammillaria rhodantha
                                                   [Mammillaria bonavitii]
                                                   [Mammillaria calacantha]
                                               Mammillaria rhodantha subsp. fera-rubra
                                                     [Mammillaria fera-rubra]
                                               Mammillaria rhodantha subsp. mccartenii
                                                     [Mammillaria verticealba]
                                               Mammillaria rhodantha subsp. mollendorffiana
                                                     [Mammillaria mollendorffiana]
                                               Mammillaria rhodantha subsp. pringlei
                                               Mammillaria rhodantha subsp. rhodantha
                                                     [Mammillaria rhodantha subsp. aureiceps]
                                                     [Mammillaria rhodantha var. auriceps]
                                             Mammillaria robertii
                                             Mammillaria roseoalba
                                             Mammillaria rubida
                                             Mammillaria runyonii
                                             Mammillaria saboae
                                               Mammillaria saboae subsp. goldii
                                               Mammillaria saboae subsp. haudeana
                                                     [Mammillaria hamuligera]
                                               Mammillaria saboae subsp. saboae
                                               Mammillaria saboae var. goldii
                                               Mammillaria saboae var. haudeana
                                             Mammillaria sanchez-mejoradae
                                             Mammillaria sartorii
                                                   [Mammillaria tenampensis]
                                                   [Neomammillaria tenampensis]
                                             Mammillaria schiedeana
                                               Mammillaria schiedeana subsp. dumetorum
                                               Mammillaria schiedeana subsp. giselae
                                               Mammillaria schiedeana subsp. schiedeana
                                                     [Neomammillaria schiedeana]
                                             Mammillaria schumannii
                                                   [Bartschella schumannii]
                                             Mammillaria schwarzii
                                             Mammillaria scolymoides
                                             Mammillaria scrippsiana
                                                   [Mammillaria pseudoscrippsiana]
                                                   [Neomammillaria scrippsiana]
                                             Mammillaria sempervivi
                                             Mammillaria senilis
                                                   [Mamillopsis diguetii]
                                                   [Mamillopsis senilis]
                                                   [Mammillaria diguetii]
                                             Mammillaria sheldonii
                                                   [Mammillaria milleri var. sheldonii]
                                             Mammillaria sinistrohamata
                                             Mammillaria slevinii
                                             Mammillaria solisioides
                                             Mammillaria sphacelata
                                               Mammillaria sphacelata subsp. sphacelata
                                                     [Neomammillaria sphacelata]
                                               Mammillaria sphacelata subsp. viperina
                                                     [Mammillaria viperina]
                                                     [Neomammillaria viperina]
                                             Mammillaria sphaerica
                                             Mammillaria spinosissima
                                                   [Mammillaria gasterantha]
                                               Mammillaria spinosissima subsp. pilcayensis
                                               Mammillaria spinosissima subsp. spinosissima
                                                     [Neomammillaria spinosissima]
                                               Mammillaria spinosissima subsp. tepoxtlana
                                             Mammillaria standleyi
                                                   [Mammillaria auricantha]
                                                   [Mammillaria auritricha]
                                                   [Mammillaria bellacantha]
                                                   [Mammillaria canelensis]
                                                   [Mammillaria craigii]
                                                   [Mammillaria miegiana]
                                                   [Mammillaria movensis]
                                                   [Mammillaria sonorensis]
                                                   [Mammillaria tesopacensis]
                                                   [Mammillaria xanthina]
                                                   [Neomammillaria xanthina]
                                               Mammillaria standleyi var. standleyi
                                             Mammillaria stella-de-tacubaya
                                             Mammillaria subducta
                                             Mammillaria sulcata
                                             Mammillaria supertexta
                                                   [Mammillaria martinezii]
                                             Mammillaria surculosa
                                                   [Dolichothele surculosa]
                                             Mammillaria swinglei
                                                   [Mammillaria inaiae]
                                             Mammillaria tayloriorum
                                             Mammillaria tetrancistra
                                                   [Mammillaria phellosperma]
                                                   [Phellosperma tetrancistra]
                                             Mammillaria tezontle
                                             Mammillaria theresae
                                             Mammillaria thornberi
                                               Mammillaria thornberi subsp. thornberi
                                               Mammillaria thornberi subsp. yaquensis
                                             Mammillaria tobuschii
                                             Mammillaria tonalensis
                                             Mammillaria trichacantha
                                             Mammillaria uncinata
                                             Mammillaria varieaculeata
                                             Mammillaria verhaertiana
                                             Mammillaria vetula
                                               Mammillaria vetula subsp. gracilis
                                               Mammillaria vetula subsp. vetula
                                             Mammillaria virginis
                                             Mammillaria viridiflora
                                                   [Mammillaria orestera]
                                             Mammillaria voburnensis
                                               Mammillaria voburnensis subsp. collinsii
                                                     [Neomammillaria collinsii]
                                               Mammillaria voburnensis subsp. eichlamii
                                               Mammillaria voburnensis subsp. voburnensis
                                                     [Mammillaria praelii]
                                             Mammillaria wagneriana
                                                   [Mammillaria antesbergeriana]
                                                   [Mammillaria crassa]
                                             Mammillaria weingartiana
                                                   [Mammillaria unihamata]
                                             Mammillaria wiesingeri
                                               Mammillaria wiesingeri subsp. apamensis
                                               Mammillaria wiesingeri subsp. wiesingeri
                                             Mammillaria wildii
                                             Mammillaria winterae
                                                   [Mammillaria winteriae]
                                               Mammillaria winterae subsp. aramberri
                                                     [Mammillaria crassimammillis]
                                                     [Mammillaria winteriae subsp. aramberri]
                                               Mammillaria winterae subsp. winterae
                                                     [Mammillaria freudenbergii]
                                                     [Mammillaria winteriae subsp. winteriae]
                                                     [Mammillaria zahniana]
                                             Mammillaria wrightii
                                               Mammillaria wrightii subsp. wrightii
                                                     [Neomammillaria wrightii]
                                               Mammillaria wrightii var. wilcoxii
                                                     [Mammillaria meridiorosei]
                                                     [Mammillaria wilcoxii]
                                                     [Mammillaria wrightii subsp. wilcoxii]
                                               Mammillaria wrightii var. wrightii
                                             Mammillaria xaltianguensis
                                               Mammillaria xaltianguensis subsp. bambusiphila
                                               Mammillaria xaltianguensis subsp. xaltianguensis
                                             Mammillaria yaquensis
                                                   [Mammillaria thornberi var. yaquensis]
                                             Mammillaria zeilmanniana
                                             Mammillaria zephyranthoides
                                                   [Dolichothele zephyranthoides]
                                               Mammillaria zephyranthoides subsp. heidiae
                                               Mammillaria zephyranthoides subsp. zephyranthoides
                                             Mammillaria zublerae
                                                   [Mammillaria prolifera subsp. zublerae]
                                               Mammillaria columbiana subsp. yucatanensis
                                                     [Mammillaria jamaicensis]
                                                     [Mammillaria ruestii]
                                                     [Mammillaria yucatanensis]
                                                     [Neomammillaria yucatanensis]
                                               Mammillaria decipiens subsp. camptotricha
                                                     [Mammillaria camptotricha]
                                                     [Mammillaria decipiens var. camptotricha]
                                     Mammilloydia
                                             Mammilloydia candida
                                     Marenopuntia
                                     Matucana
                                             Matucana aurantiaca
                                               Matucana aurantiaca subsp. aurantiaca
                                               Matucana aurantiaca subsp. currundayensis
                                               Matucana aurantiaca subsp. fruticosa
                                               Matucana aurantiaca subsp. hastifera
                                               Matucana aurantiaca subsp. polzii
                                             Matucana aureiflora
                                             Matucana currundayensis
                                             Matucana formosa
                                                   [Borzicactus formosus]
                                             Matucana fruticosa
                                             Matucana hastifera
                                             Matucana haynei
                                               Matucana haynei subsp. haynei
                                                     [Borzicactus haynei]
                                                     [Borzicactus variabilis]
                                                     [Matucana cereoides]
                                                     [Matucana elongata]
                                                     [Matucana supertexta]
                                                     [Matucana variabilis]
                                               Matucana haynei subsp. herzogiana
                                                     [Matucana blancii]
                                                     [Matucana herzogiana]
                                                     [Matucana megalantha]
                                                     [Matucana winteri]
                                                     [Matucana yanganucensis]
                                               Matucana haynei subsp. hystrix
                                                     [Matucana breviflora]
                                                     [Matucana hystrix]
                                                     [Matucana multicolor]
                                               Matucana haynei subsp. myriacantha
                                                     [Borzicactus calocephala]
                                                     [Borzicactus myriacanthus]
                                                     [Matucana comacephala]
                                                     [Matucana crinifera]
                                                     [Matucana purpureoalba]
                                             Matucana huagalensis
                                                   [Borzicactus huagalensis]
                                             Matucana intertexta
                                                   [Borzicactus intertextus]
                                                   [Matucana celendinensis]
                                             Matucana krahnii
                                                   [Borzicactus krahnii]
                                                   [Matucana calliantha]
                                             Matucana madisoniorum
                                                   [Borzicactus madisoniorum]
                                             Matucana oreodoxa
                                                   [Borzicactus oreodoxus]
                                             Matucana pallarensis
                                             Matucana paucicostata
                                                   [Borzicactus paucicostatus]
                                             Matucana polzii
                                             Matucana pujupatii
                                             Matucana ritteri
                                                   [Borzicactus ritteri]
                                             Matucana tuberculata
                                                   [Borzicactus tuberculatus]
                                                   [Matucana tuberculosa]
                                     Mediocactus
                                     Mediolobivia
                                             Mediolobivia auranitida
                                             Mediolobivia conoidea
                                             Mediolobivia elegans
                                             Mediolobivia euanthema
                                             Mediolobivia neopygmaea
                                             Mediolobivia schmiedcheniana
                                     Melocactus
                                           [Cactus melocactus]
                                             Melocactus acispinosus
                                             Melocactus amethystinus
                                             Melocactus ammotrophus
                                             Melocactus andinus
                                               Melocactus andinus subsp. andinus
                                               Melocactus andinus subsp. hernandezii
                                             Melocactus azulensis
                                             Melocactus azureus
                                                   [Melocactus azureus subsp. azureus]
                                                   [Melocactus krainzianus]
                                             Melocactus bahiensis
                                               Melocactus bahiensis subsp. amethystinus
                                               Melocactus bahiensis subsp. bahiensis
                                             Melocactus bellavistensis
                                               Melocactus bellavistensis subsp. bellavistensis
                                               Melocactus bellavistensis subsp. onychacanthus
                                             Melocactus braunii
                                             Melocactus brederooianus
                                             Melocactus broadwayi
                                                   [Cactus broadwayi]
                                             Melocactus caroli-linnaei
                                                   [Melocactus melocactus]
                                             Melocactus concinnus
                                                   [Melocactus axiniphorus]
                                                   [Melocactus pruinosus]
                                                   [Melocactus pulvinosus]
                                                   [Melocactus robustispinus]
                                             Melocactus conoideus
                                             Melocactus cremnophilus
                                             Melocactus curvispinus
                                                   [Cactus oaxacensis]
                                               Melocactus curvispinus subsp. caesius
                                                     [Melocactus caesius]
                                                     [Melocactus lobelii]
                                               Melocactus curvispinus subsp. curvispinus
                                                     [Melocactus guitartii]
                                                     [Melocactus loboguerreroi]
                                                     [Melocactus maxonii]
                                                     [Melocactus oaxacensis]
                                                     [Melocactus obtusipetalus]
                                                     [Melocactus ruestii subsp. maxonii]
                                                     [Melocactus ruestii subsp. oaxacensis]
                                                     [Melocactus ruestii subsp. sanctae-rosae]
                                                     [Melocactus salvador]
                                               Melocactus curvispinus subsp. dawsonii
                                                     [Melocactus dawsonii subsp. dawsonii]
                                               Melocactus curvispinus subsp. koolwijkianus
                                                     [Melocactus guitarti]
                                                     [Melocactus holguinensis]
                                                     [Melocactus laui]
                                             Melocactus dawsonii
                                             Melocactus deinacanthus
                                             Melocactus delessertianus
                                             Melocactus depressus
                                             Melocactus ellemeetii
                                             Melocactus ernestii
                                               Melocactus ernestii subsp. ernestii
                                                     [Melocactus oreas subsp. ernestii]
                                               Melocactus ernestii subsp. longicarpus
                                                     [Melocactus deinacanthus subsp. florschuetzianus]
                                                     [Melocactus deinacanthus subsp. longicarpus]
                                                     [Melocactus oreas var. longispinus]
                                             Melocactus erythracanthus
                                             Melocactus erythracantus
                                             Melocactus estevesii
                                             Melocactus ferreophilus
                                                   [Melocactus azureus subsp. ferreophilus]
                                             Melocactus florschuetzianus
                                             Melocactus florschutzianus
                                             Melocactus glaucescens
                                             Melocactus glauxianus
                                             Melocactus grisoleoviridis
                                             Melocactus guanensis
                                             Melocactus harlowii
                                                   [Melocactus acunae]
                                                   [Melocactus evae]
                                                   [Melocactus perezassoi]
                                             Melocactus hernandezii
                                             Melocactus inconcinnus
                                             Melocactus interpositus
                                             Melocactus intortus
                                                   [Cactus intortus]
                                                   [Melocactus communis]
                                                   [Melocactus coronatus]
                                               Melocactus intortus subsp. domingensis
                                                     [Melocactus intortus subsp. dominguensis]
                                                     [Melocactus pedernalensis]
                                               Melocactus intortus subsp. intortus
                                             Melocactus lanssensianus
                                             Melocactus lemairei
                                                   [Melocactus hispaniolicus]
                                             Melocactus lensselinkianus
                                             Melocactus levitestatus
                                                   [Melocactus diersianus]
                                                   [Melocactus rubrispinus]
                                                   [Melocactus securituberculatus]
                                                   [Melocactus uebelmannii]
                                                   [Melocactus warasii]
                                             Melocactus longicarpus
                                             Melocactus longispinus
                                             Melocactus macracanthos
                                                   [Melocactus citrispinus]
                                                   [Melocactus inclinatus]
                                             Melocactus matanzanus
                                                   [Melocactus actinacanthus]
                                             Melocactus mazelianus
                                             Melocactus montanus
                                             Melocactus mulequensis
                                             Melocactus nagyi
                                             Melocactus neomontanus
                                             Melocactus neryi
                                                   [Melocactus guaricensis]
                                                   [Melocactus schulzianus]
                                             Melocactus nitidus
                                             Melocactus onychacanthus
                                             Melocactus oreas
                                               Melocactus oreas subsp. cremnophilus
                                               Melocactus oreas subsp. oreas
                                             Melocactus pachyacanthus
                                               Melocactus pachyacanthus subsp. pachyacanthus
                                               Melocactus pachyacanthus subsp. viridis
                                             Melocactus paucispinus
                                             Melocactus peruvianus
                                                   [Melocactus amstutziae]
                                                   [Melocactus fortalezensis]
                                                   [Melocactus huallancaensis]
                                                   [Melocactus jansenianus]
                                                   [Melocactus trujilloensis]
                                                   [Melocactus unguispinus]
                                             Melocactus praerupticola
                                             Melocactus rubrisaetosus
                                             Melocactus ruestii
                                             Melocactus salvadorensis
                                             Melocactus schatzlii
                                               Melocactus schatzlii subsp. chicamochae
                                                     [Melocactus andinus subsp. soatensis]
                                               Melocactus schatzlii subsp. schatzlii
                                             Melocactus smithii
                                                   [Melocactus roraimensis]
                                             Melocactus stramineus
                                             Melocactus violaceus
                                                   [Melocactus melocactoides]
                                               Melocactus violaceus subsp. margaritaceus
                                               Melocactus violaceus subsp. ritteri
                                               Melocactus violaceus subsp. violaceus
                                                     [Melocactus violaceus subsp. natalensis]
                                             Melocactus x albicephalus
                                             Melocactus x horridus
                                             Melocactus zehntneri
                                                   [Melocactus arcuatispinus]
                                                   [Melocactus canescens]
                                                   [Melocactus curvicornis]
                                                   [Melocactus giganteus]
                                                   [Melocactus helvolilanthus]
                                                   [Melocactus macrodiscus]
                                                   [Melocactus saxicola]
                                                   [Melocactus zehntneri subsp. canescens]
                                     Micranthocereus
                                             Micranthocereus albicephalus
                                                   [Micranthocereus aureispinus]
                                                   [Micranthocereus monteazulensis]
                                             Micranthocereus auriazureus
                                             Micranthocereus dolichospermaticus
                                             Micranthocereus estevesii
                                             Micranthocereus flaviflorus
                                                   [Micranthocereus densiflorus]
                                                   [Micranthocereus flaviflorus subsp. densiflorus]
                                                   [Micranthocereus uilianus]
                                             Micranthocereus polyanthus
                                               Micranthocereus polyanthus subsp. alvinii
                                               Micranthocereus polyanthus subsp. polyanthus
                                             Micranthocereus purpureus
                                                   [Micranthocereus haematocarpus]
                                                   [Micranthocereus ruficeps]
                                             Micranthocereus streckeri
                                             Micranthocereus violaciflorus
                                     Micropuntia
                                             Micropuntia pulchella
                                                   [Micropuntia barkleyana]
                                                   [Micropuntia brachyrhopalica]
                                                   [Micropuntia spectatissima]
                                     Mila
                                             Mila caespitosa
                                                   [Mila fortalezensis]
                                               Mila caespitosa subsp. caespitosa
                                                     [Mila alboareolata]
                                                     [Mila caespitosa subsp. nealeana]
                                                     [Mila densiseta]
                                                     [Mila kubeana]
                                                     [Mila lurinensis]
                                               Mila caespitosa subsp. pugionifera
                                                     [Mila albisaetacens]
                                                     [Mila cereoides]
                                                     [Mila colorea]
                                                     [Mila pugionifera]
                                                     [Mila sublanata]
                                             Mila nealeana
                                     Miqueliopuntia
                                             Miqueliopuntia miquelii
                                     Mitrocereus
                                             Mitrocereus fulviceps
                                     Monvillea
                                             Monvillea alticostata
                                             Monvillea amazonica
                                             Monvillea apoloensis
                                             Monvillea ballivianii
                                             Monvillea campinensis
                                             Monvillea cavendishii
                                             Monvillea jaenensis
                                             Monvillea leucantha
                                             Monvillea maritima
                                             Monvillea piedadensis
                                             Monvillea smithiana
                                     Morangaya
                                             Morangaya pensilis
                                                   [Echinocereus pensilis]
                                     Myrtgerocactus
                                             Myrtgerocactus lindsayi
                                     Myrtillocactus
                                             Myrtillocactus cochal
                                             Myrtillocactus eichlamii
                                             Myrtillocactus geometrizans
                                                   [Myrtillocactus grandiareolatus]
                                                   [Myrtillocactus pugionifer]
                                             Myrtillocactus schenckii
                                     Navajoa
                                     Neobesseya
                                             Neobesseya notesteinii
                                                   [Mammillaria notesteinii]
                                     Neobuxbaumia
                                             Neobuxbaumia euphorbioides
                                                   [Carnegiea euphorbioides var. olfersii]
                                             Neobuxbaumia macrocephala
                                                   [Carnegiea macrocephala]
                                                   [Cephalocereus macrocephalus]
                                                   [Mitrocereus ruficeps]
                                                   [Pachycereus ruficeps]
                                             Neobuxbaumia mezcalaensis
                                                   [Carnegiea mezcalaensis]
                                                   [Carnegiea nova]
                                                   [Neobuxbaumia multiareolata]
                                             Neobuxbaumia polylopha
                                                   [Carnegiea polylopha]
                                                   [Cephalocereus polylophus]
                                             Neobuxbaumia sanchezmejoradae
                                                   [Carnegiea laui]
                                                   [Neobuxbaumia laui]
                                             Neobuxbaumia scoparia
                                                   [Carnegiea scoparia]
                                                   [Cephalocereus scoparius]
                                             Neobuxbaumia squamulosa
                                                   [Carnegiea squamulosa]
                                             Neobuxbaumia tetetzo
                                                   [Carnegiea tetetzo]
                                                   [Cephalocereus tetazo]
                                                   [Neobuxbaumia tetetzo var. nuda]
                                     Neocardenasia
                                             Neocardenasia herzogiana
                                     Neodawsonia
                                     Neoevansia
                                             Neoevansia diguetii
                                     Neolloydia
                                             Neolloydia conoidea
                                                   [Echinocactus conoideus]
                                                   [Mammillaria ceratites]
                                                   [Mammillaria conoidea]
                                                   [Neolloydia texensis]
                                                   [Pediocactus conoideus]
                                               Neolloydia conoidea var. conoidea
                                             Neolloydia gautii
                                             Neolloydia mariposensis
                                             Neolloydia matehualensis
                                             Neolloydia warnockii
                                     Neolobivia
                                             Neolobivia winteriana
                                     Neomammillaria
                                             Neomammillaria albicans
                                             Neomammillaria fraileana
                                             Neomammillaria johnstonii
                                             Neomammillaria milleri
                                             Neomammillaria missouriensis
                                             Neomammillaria nivosa
                                             Neomammillaria peninsularis
                                             Neomammillaria saetigera
                                             Neomammillaria standleyi
                                             Neomammillaria swinglei
                                             Neomammillaria viridiflora
                                     Neoporteria
                                             Neoporteria carrizalensis
                                             Neoporteria eriocephala
                                             Neoporteria fusca
                                             Neoporteria hankeana
                                             Neoporteria huascensis
                                             Neoporteria vallenarensis
                                             Neoporteria woutersiana
                                     Neoraimondia
                                             Neoraimondia arequipensis
                                                   [Neoraimondia aticensis]
                                                   [Neoraimondia macrostibas]
                                                   [Neoraimondia roseiflora]
                                               Neoraimondia arequipensis var. aticensis
                                             Neoraimondia herzogiana
                                     Neowerdermannia
                                             Neowerdermannia chilensis
                                                   [Neowerdermannia chilensis subsp. chilensis]
                                                   [Neowerdermannia chilensis subsp. peruviana]
                                                   [Neowerdermannia peruviana]
                                                   [Sulcorebutia chilensis]
                                                   [Weingartia chilensis]
                                             Neowerdermannia vorwerkii
                                                   [Sulcorebutia vorwerkii]
                                                   [Weingartia vorwerkii]
                                     Nopalea
                                             Nopalea auberi
                                                   [Opuntia lutea]
                                             Nopalea cochenillifera
                                                   [Cactus cochenilifer]
                                                   [Cactus cochenillifera]
                                                   [Opuntia cochinellifera]
                                             Nopalea dejecta
                                             Nopalea gaumeri
                                             Nopalea guatemalensis
                                             Nopalea hondurensis
                                                   [Opuntia hondurensis]
                                             Nopalea inaperta
                                                   [Opuntia inaperta]
                                             Nopalea karwinskiana
                                             Nopalea lutea
                                     Nopalxochia
                                     Notocactus
                                             Notocactus acutus
                                             Notocactus campestrensis
                                             Notocactus glaucinus
                                             Notocactus harmonianus
                                             Notocactus ibicuiensis
                                             Notocactus incomptus
                                             Notocactus mammulosus
                                             Notocactus minusculus
                                             Notocactus neobuenekeri
                                             Notocactus securituberculatus
                                             Notocactus succineus
                                             Notocactus tabularis
                                             Notocactus villa-velhensis
                                     Nyctocereus
                                             Nyctocereus serpentinus
                                     Obregonia
                                             Obregonia denegrii
                                                   [Strombocactus denegrii]
                                     Oehmea
                                             Oehmea beneckei
                                     Opuntia
                                             Opuntia abyssi
                                             Opuntia acaulis
                                                   [Consolea acaulis]
                                             Opuntia aciculata
                                                   [Opuntia engelmannii var. aciculata]
                                             Opuntia alamosensis
                                             Opuntia alta
                                             Opuntia amarilla
                                             Opuntia ammophila
                                                   [Opuntia compressa var. ammophila]
                                             Opuntia amyclaea
                                             Opuntia anacantha
                                                   [Opuntia canina]
                                                   [Opuntia discolor]
                                                   [Opuntia grosseana]
                                                   [Opuntia roborensis]
                                                   [Platyopuntia discolor]
                                                   [Platyopuntia kiska-loro]
                                                   [Platyopuntia retrorsa]
                                               Opuntia anacantha var. retrorsa
                                                     [Opuntia retrorsa]
                                               Opuntia anacantha var. utkilio
                                                     [Opuntia utkilio]
                                             Opuntia angustata
                                             Opuntia anteojoensis
                                             Opuntia antillana
                                             Opuntia apurimacensis
                                             Opuntia arcei
                                             Opuntia arechavaletae
                                             Opuntia articulata
                                             Opuntia assumptionis
                                                   [Opuntia viridirubra subsp. viridirubra]
                                                   [Opuntia viridirubra]
                                                   [Platyopuntia viridirubra]
                                             Opuntia atrispina
                                             Opuntia atropes
                                             Opuntia auberi
                                             Opuntia aurantiaca
                                                   [Opuntia montevideensis]
                                             Opuntia aurea
                                                   [Opuntia basilaris var. aurea]
                                                   [Opuntia erinacea var. aurea]
                                             Opuntia aureispina
                                                   [Opuntia macrocentra var. aureispina]
                                             Opuntia austrina
                                                   [Opuntia compressa var. austrina]
                                                   [Opuntia eburnispina]
                                                   [Opuntia humifusa var. austrina]
                                                   [Opuntia pollardii]
                                                   [Opuntia polycarpa]
                                             Opuntia azurea
                                               Opuntia azurea var. azurea
                                               Opuntia azurea var. diplopurpurea
                                               Opuntia azurea var. discolor
                                               Opuntia azurea var. parva
                                             Opuntia bakeri
                                             Opuntia basilaris
                                                   [Opuntia humistrata]
                                               Opuntia basilaris var. basilaris
                                                     [Opuntia basilaris var. ramosa]
                                                     [Opuntia basilaris var. whitneyana]
                                                     [Opuntia brachyclada subsp. humistrata]
                                                     [Opuntia whitneyana var. albiflora]
                                                     [Opuntia whitneyana]
                                               Opuntia basilaris var. brachyclada
                                                     [Opuntia brachyclada]
                                               Opuntia basilaris var. heilii
                                               Opuntia basilaris var. longiareolata
                                                     [Opuntia longiareolata]
                                               Opuntia basilaris var. treleasei
                                             Opuntia bensonii
                                             Opuntia bisetosa
                                             Opuntia boldinghii
                                             Opuntia bonplandii
                                             Opuntia borinquensis
                                                   [Opuntia boringuensis]
                                             Opuntia bradtiana
                                             Opuntia brasiliensis
                                             Opuntia bravoana
                                             Opuntia burrageana
                                             Opuntia caboensis
                                             Opuntia caesia
                                             Opuntia calmalliana
                                             Opuntia campii
                                             Opuntia cantabrigiensis
                                             Opuntia caracassana
                                                   [Opuntia pennellii]
                                                   [Opuntia salvadorensis]
                                             Opuntia cardenche
                                             Opuntia castillae
                                             Opuntia cespitosa
                                             Opuntia chaffeyi
                                             Opuntia chiangiana
                                             Opuntia chihuahuensis
                                             Opuntia chisosensis
                                                   [Opuntia lindheimeri var. chisosensis]
                                             Opuntia chlorotica
                                                   [Opuntia chlorotica var. chlorotica]
                                             Opuntia clarkiorum
                                             Opuntia clavata
                                             Opuntia clavellina
                                             Opuntia cochenillifera
                                                   [Cactus cochenillifer]
                                                   [Cactus cochenilliferus]
                                             Opuntia cochinelifera
                                             Opuntia cochinelifera x phaeacantha
                                             Opuntia cochinera
                                             Opuntia columbiana
                                                   [Opuntia erinacea var. columbiana]
                                             Opuntia comonduensis
                                             Opuntia cordobensis
                                                   [Opuntia cordodensis]
                                             Opuntia crassa
                                             Opuntia crystalenia
                                             Opuntia cubensis
                                             Opuntia curassavica
                                             Opuntia cylindrica
                                             Opuntia cymochila
                                             Opuntia darrahiana
                                             Opuntia deamii
                                             Opuntia decumbens
                                             Opuntia dejecta
                                             Opuntia delaetiana
                                             Opuntia delicata
                                             Opuntia depressa
                                             Opuntia deserta
                                             Opuntia dillenii
                                                   [Cactus dillenii]
                                                   [Opuntia atrocapensis]
                                                   [Opuntia nitens]
                                                   [Opuntia stricta var. dillenii]
                                                   [Opuntia tunoidea]
                                                   [Opuntia zebrina]
                                             Opuntia diploursina
                                             Opuntia discata
                                                   [Opuntia microcarpa]
                                             Opuntia diversispina
                                             Opuntia durangensis
                                             Opuntia durangensis x wilcoxii
                                             Opuntia echios
                                               Opuntia echios var. barringtonensis
                                               Opuntia echios var. echios
                                               Opuntia echios var. gigantea
                                               Opuntia echios var. inermis
                                               Opuntia echios var. zacana
                                             Opuntia edwardsii
                                             Opuntia eichlamii
                                             Opuntia ekmanii
                                             Opuntia elata
                                                   [Opuntia alko-tuna]
                                                   [Opuntia atrovirens]
                                                   [Opuntia canterae]
                                                   [Opuntia cardiosperma]
                                                   [Opuntia chakensis]
                                                   [Opuntia cochabambensis]
                                                   [Opuntia cognata]
                                                   [Opuntia limitata]
                                                   [Opuntia mieckleyi]
                                                   [Opuntia prasina]
                                                   [Opuntia pyrrhantha]
                                                   [Opuntia viridirubra subsp. rubrogemmia]
                                                   [Opuntia vitelliniflora subsp. interjecta]
                                                   [Opuntia vitelliniflora subsp. vitelliniflora]
                                                   [Opuntia vitelliniflora]
                                                   [Platyopuntia cardiosperma]
                                                   [Platyopuntia cognata]
                                                   [Platyopuntia interjecta]
                                                   [Platyopuntia limitata]
                                                   [Platyopuntia pyrrhantha]
                                                   [Platyopuntia rubrogemmia]
                                                   [Platyopuntia vitelliniflora]
                                             Opuntia elatior
                                                   [Opuntia bergeriana]
                                             Opuntia elizondoana
                                             Opuntia ellisiana
                                                   [Opuntia x ellisiana]
                                             Opuntia emoryi
                                             Opuntia engelmannii
                                                   [Opuntia subarmata]
                                               Opuntia engelmannii subsp. engelmannii
                                                     [Opuntia magnarenensis]
                                               Opuntia engelmannii subsp. lindheimeri
                                               Opuntia engelmannii var. cuija
                                                     [Opuntia lindheimeri var. cuija]
                                               Opuntia engelmannii var. cujia
                                                     [Opuntia cuija]
                                               Opuntia engelmannii var. discata
                                               Opuntia engelmannii var. engelmannii
                                                     [Opuntia dillei]
                                                     [Opuntia lindheimeri var. tricolor]
                                                     [Opuntia megacarpa]
                                                     [Opuntia occidentalis var. megacarpa]
                                                     [Opuntia phaeacantha var. discata]
                                                     [Opuntia tardospina]
                                                     [Opuntia tricolor]
                                                     [Opuntia x subarmata]
                                               Opuntia engelmannii var. flavescens
                                                     [Opuntia flavescens]
                                               Opuntia engelmannii var. flavispina
                                                     [Opuntia phaeacantha var. flavispina]
                                               Opuntia engelmannii var. flexispina
                                               Opuntia engelmannii var. flexospina
                                               Opuntia engelmannii var. laevis
                                               Opuntia engelmannii var. lindheimeri
                                                     [Opuntia engelmannii var. alta]
                                                     [Opuntia engelmannii var. cacanapa]
                                                     [Opuntia engelmannii var. dulcis]
                                                     [Opuntia engelmannii var. texana]
                                                     [Opuntia haematocarpa]
                                                     [Opuntia lindheimeri var. lehmannii]
                                                     [Opuntia lindheimeri var. lindheimeri]
                                                     [Opuntia lindheimeri]
                                                     [Opuntia squarrosa]
                                               Opuntia engelmannii var. linguiformis
                                                     [Opuntia lindheimeri var. linguiformis]
                                                     [Opuntia linguiformis]
                                               Opuntia engelmannii var. rastrera
                                               Opuntia engelmannii var. wootonii
                                             Opuntia engelmannii x phaeacantha
                                             Opuntia eocarpa
                                             Opuntia estevesii
                                             Opuntia excelsa
                                             Opuntia feroacantha
                                             Opuntia ficus-indica
                                                   [Cactus ficus-indica]
                                                   [Opuntia compressa]
                                                   [Opuntia incarnadilla]
                                                   [Opuntia maxima]
                                                   [Opuntia opuntia]
                                                   [Opuntia paraguayensis]
                                                   [Opuntia vulgaris]
                                                   [Platyopuntia apurimacensis]
                                                   [Platyopuntia cordobensis]
                                               Opuntia ficus-indica var. amyclaea
         Opuntia ficus-indica x Opuntia robusta
                                             Opuntia filipendula
                                             Opuntia flexospina
                                             Opuntia fragilis
                                               Opuntia fragilis var. brachyarthra
                                                     [Opuntia brachyarthra]
                                                     [Opuntia fragilis subsp. brachyarthra]
                                               Opuntia fragilis var. fragilis
                                                     [Cactus fragilis]
                                                     [Opuntia fragilis var. denudata]
                                                     [Opuntia schweriniana]
                                             Opuntia fuliginosa
                                             Opuntia galapageia
                                               Opuntia galapageia subsp. zacana
                                                     [Opuntia zacana]
                                               Opuntia galapageia var. galapageia
                                               Opuntia galapageia var. macrocarpa
                                               Opuntia galapageia var. profusa
                                             Opuntia glomerata
                                             Opuntia gorda
                                             Opuntia gosseliniana
                                                   [Opuntia chlorotica var. gosseliniana]
                                                   [Opuntia chlorotica var. gossrliniana]
                                                   [Opuntia violacea var. gosseliniana]
                                             Opuntia grahami
                                             Opuntia grandis
                                             Opuntia guatemalensis
                                             Opuntia guilanchi
                                             Opuntia helleri
                                             Opuntia hitchcockii
                                             Opuntia howeyi
                                             Opuntia huajuapensis
                                             Opuntia humifusa
                                                   [Cactus humifusus]
                                                   [Opuntia calcicola]
                                                   [Opuntia compressa var. allairei]
                                                   [Opuntia compressa var. fuscoatra]
                                                   [Opuntia compressa var. microsperma]
                                                   [Opuntia cumulicola]
                                                   [Opuntia fuscoatra]
                                                   [Opuntia humifusa subsp. humifusa]
                                                   [Opuntia rafinesquei]
                                               Opuntia humifusa var. ammophila
                                               Opuntia humifusa var. humifusa
                                                     [Opuntia compressa var. compressa]
                                             Opuntia hyptiacantha
                                                   [Opuntia chavena]
                                                   [Opuntia cretochaeta]
                                                   [Opuntia matudae]
                                                   [Opuntia nigrita]
                                             Opuntia impedata
                                             Opuntia inaequilateralis
                                             Opuntia inermis
                                             Opuntia insularis
                                             Opuntia intricata
                                             Opuntia ithypetala
                                             Opuntia jaliscana
                                             Opuntia joconostle
                                             Opuntia karwinskiana
                                             Opuntia keyensis
                                             Opuntia kleiniae
                                             Opuntia lagunae
                                             Opuntia lasiacantha
                                                   [Opuntia chaetocarpa]
                                                   [Opuntia rzedowskii]
                                             Opuntia lata
                                             Opuntia leucotricha
                                                   [Opuntia pailana]
                                                   [Opuntia pyriformis]
                                             Opuntia littoralis
                                               Opuntia littoralis var. austrocalifornica
                                               Opuntia littoralis var. littoralis
                                                     [Opuntia engelmannii var. littoralis]
                                                     [Opuntia occidentalis var. littoralis]
                                               Opuntia littoralis var. piercei
                                               Opuntia littoralis var. vaseyi
                                                     [Opuntia covillei var. piercei]
                                                     [Opuntia covillei]
                                                     [Opuntia occidentalis var. covillei]
                                                     [Opuntia occidentalis var. vaseyi]
                                                     [Opuntia vaseyi]
                                             Opuntia lloydii
                                             Opuntia longispina
                                             Opuntia macdougaliana
                                             Opuntia macracantha
                                             Opuntia macrocentra
                                                   [Opuntia mackensenii var. minor]
                                               Opuntia macrocentra var. macrocentra
                                                     [Opuntia violacea var. castetteri]
                                                     [Opuntia violacea var. macrocentra]
                                                     [Opuntia violacea var. violacea]
                                                     [Opuntia violacea]
                                               Opuntia macrocentra var. minor
                                             Opuntia macrorhiza
                                                   [Opuntia roseana]
                                               Opuntia macrorhiza subsp. macrorhiza
                                               Opuntia macrorhiza subsp. pottsii
                                             Opuntia maxoni
                                             Opuntia maxonii
                                             Opuntia megacantha
                                             Opuntia megapotamica
                                                   [Opuntia pituitosa]
                                                   [Opuntia salagria]
                                                   [Platyopuntia pituitosa]
                                             Opuntia megarhiza
                                                   [Opuntia megarrhiza]
                                             Opuntia megasperma
                                               Opuntia megasperma var. megasperma
                                               Opuntia megasperma var. mesophytica
                                               Opuntia megasperma var. orientalis
                                             Opuntia mesacantha
                                               Opuntia mesacantha subsp. mesacantha
                                             Opuntia microdasys
                                                   [Opuntia macrocalyx]
                                             Opuntia monacantha
                                                   [Opuntia monocantha]
                                                   [Platyopuntia brunneogemmia]
                                             Opuntia moniliformis
                                             Opuntia nemoralis
                                             Opuntia neochrysacantha
                                             Opuntia neorutila
                                             Opuntia nuda
                                                   [Nopalea nuda]
                                             Opuntia ochrocentra
                                             Opuntia orbiculata
                                             Opuntia oricola
                                             Opuntia pachona
                                             Opuntia pachyrrhiza
                                             Opuntia parviclada
                                             Opuntia penicilligera
                                             Opuntia pescorvae
                                             Opuntia phaeacantha
                                                   [Opuntia camanchica]
                                                   [Opuntia charlestonensis]
                                                   [Opuntia phaeacantha var. camanchica]
                                               Opuntia phaeacantha var. castorea
                                               Opuntia phaeacantha var. laevis
                                                     [Opuntia laevis]
                                               Opuntia phaeacantha var. major
                                                     [Opuntia arizonica]
                                                     [Opuntia blakeana]
                                                     [Opuntia canada]
                                                     [Opuntia confusa]
                                                     [Opuntia engelmannii var. cycloides]
                                                     [Opuntia expansa]
                                                     [Opuntia gilvescens]
                                                     [Opuntia gregoriana]
                                                     [Opuntia mojavensis]
                                                     [Opuntia phaeacantha var. brunnea]
                                                     [Opuntia phaeacantha var. mojavensis]
                                                     [Opuntia woodsii]
                                               Opuntia phaeacantha var. phaeacantha
                                                     [Opuntia dulcis]
                                                     [Opuntia phaeacantha var. nigricans]
                                               Opuntia phaeacantha var. piercei
                                               Opuntia phaeacantha var. spinosibacca
                                               Opuntia phaeacantha var. wootonii
                                             Opuntia pilifera
                                             Opuntia pinkavae
                                                   [Opuntia basilaris var. woodburyi]
                                             Opuntia pisciformis
                                             Opuntia pittieri
                                                   [Opuntia bella]
                                             Opuntia polyacantha
                                                   [Opuntia heacockul]
                                                   [Opuntia missouriensis]
                                                   [Opuntia polyacantha var. watsonii]
                                                   [Opuntia sphaerocarpa]
                                               Opuntia polyacantha subsp. polyacantha
                                               Opuntia polyacantha var. arenaria
                                                     [Opuntia arenaria]
                                                     [Opuntia polyacantha subsp. arenaria]
                                               Opuntia polyacantha var. erinacea
                                                     [Opuntia erinacea var. erinacea]
                                                     [Opuntia erinacea var. paucispina]
                                                     [Opuntia erinacea var. ursina]
                                                     [Opuntia erinacea]
                                                     [Opuntia polyacantha subsp. erinacea]
                                                     [Opuntia rubrifolia]
                                                     [Opuntia ursina]
                                                     [Opuntia xerocarpa]
                                               Opuntia polyacantha var. hystericina
                                               Opuntia polyacantha var. hystricina
                                                     [Opuntia erinacea var. hystricina]
                                                     [Opuntia erinacea var. utahensis]
                                                     [Opuntia erinacea var. xanthostemma]
                                                     [Opuntia hystricina]
                                                     [Opuntia rhodantha var. spinosior]
                                                     [Opuntia rhodantha]
                                                     [Opuntia sphaerocarpa var. utahensis]
                                               Opuntia polyacantha var. juniperina
                                                     [Opuntia juniperina]
                                               Opuntia polyacantha var. nicholii
                                                     [Opuntia hystricina var. nicholii]
                                                     [Opuntia nicholii]
                                               Opuntia polyacantha var. polyacantha
                                                     [Opuntia heacockiae]
                                               Opuntia polyacantha var. rufispina
                                                     [Opuntia rutila]
                                               Opuntia polyacantha var. schweriniana
                                               Opuntia polyacantha var. trichophora
                                                     [Opuntia missouriensis var. trichophora]
                                                     [Opuntia trichophora]
                                             Opuntia pottsii
                                                   [Opuntia macrorhiza var. pottsii]
                                             Opuntia preciadoae
                                             Opuntia procumbens
                                             Opuntia puberula
                                             Opuntia pubescens
                                                   [Corynopuntia dumetorum]
                                                   [Opuntia depauperata]
                                                   [Opuntia dumetorum]
                                                   [Opuntia infesta]
                                                   [Platyopuntia dumetorum]
                                                   [Platyopuntia infesta]
                                                   [Platyopuntia nana]
                                             Opuntia pumila
                                             Opuntia pusilla
                                                   [Cactus pusillus]
                                                   [Opuntia drummondii]
                                                   [Opuntia tracyi]
                                             Opuntia pycnantha
                                             Opuntia quimilo
                                                   [Opuntia distans]
                                                   [Platyopuntia quimilo]
                                             Opuntia quitensis
                                                   [Opuntia macbridei]
                                                   [Platyopuntia quitensis]
                                             Opuntia rastrera
                                                   [Opuntia lucens]
                                             Opuntia repens
                                             Opuntia rileyi
                                             Opuntia ritteri
                                             Opuntia riviereana
                                             Opuntia robinsonii
                                             Opuntia robusta
                                                   [Opuntia guerrana]
                                                   [Opuntia larreyi]
                                               Opuntia robusta var. larreyi
                                             Opuntia rufida
                                                   [Opuntia microdasys var. rufida]
                                             Opuntia rugosa
                                             Opuntia salmiana
                                                   [Platyopuntia salmiana]
                                             Opuntia sanfelipensis
                                             Opuntia sanguinea
                                             Opuntia santa-rita
                                                   [Opuntia chlorotica var. santa-rita]
                                                   [Opuntia violacea var. santa-rita]
                                             Opuntia santarita
                                             Opuntia saxicola
                                             Opuntia scheeri
                                                   [Opuntia scheerii]
                                             Opuntia schickendantzii
                                                   [Opuntia colubrina]
                                                   [Opuntia conjungens]
                                             Opuntia schumannii
                                             Opuntia securigera
                                             Opuntia semispinosa
                                             Opuntia serpentina
                                             Opuntia setispina
                                             Opuntia sierralagunensis
                                             Opuntia soederstromiana
                                             Opuntia sphaerica
                                             Opuntia spinosibacca
                                             Opuntia spinulifera
                                                   [Opuntia heliabravoana]
                                                   [Opuntia oligacantha]
                                             Opuntia spraguei
                                             Opuntia stanleyi
                                               Opuntia stanleyi var. parishii
                                             Opuntia stenarthra
                                             Opuntia stenochila
                                             Opuntia stenopetala
                                                   [Opuntia glaucescens]
                                                   [Opuntia stenopetala var. inerme]
                                               Opuntia stenopetala var. stenopetala
                                             Opuntia streptacantha
                                             Opuntia stricta
                                                   [Cactus strictus]
                                                   [Consolea bahamana]
                                                   [Opuntia bahamana]
                                                   [Opuntia bartramii]
                                                   [Opuntia bentonii]
                                                   [Opuntia macrantha]
                                                   [Opuntia magnifica]
                                                   [Opuntia stricta subsp. esparzae]
                                                   [Opuntia stricta var. stricta]
                                                   [Opuntia subsphaerocarpa]
                                             Opuntia strigil
                                               Opuntia strigil var. flexospina
                                             Opuntia strobiliformis
                                             Opuntia subulata
                                             Opuntia sulphurea
                                                   [Opuntia sulphurea subsp. brachyacantha]
                                                   [Opuntia sulphurea subsp. spinibarbis]
                                                   [Opuntia sulphurea subsp. sulphurea]
                                                   [Platyopuntia brachyacantha]
                                                   [Platyopuntia spinibarbis]
                                               Opuntia sulphurea var. pampeana
                                                     [Opuntia brunnescens]
                                             Opuntia superbospina
                                                   [Opuntia phaeacantha var. superbospina]
                                             Opuntia tapona
                                             Opuntia taylorii
                                             Opuntia tehuacana
                                             Opuntia tehuantepecana
                                                   [Opuntia nejapensis]
                                             Opuntia testudinis
                                             Opuntia tezontepecana
                                             Opuntia tomentella
                                             Opuntia tomentosa
                                                   [Opuntia icterica]
                                                   [Opuntia micrarthra]
                                                   [Opuntia sarca]
                                             Opuntia tortispina
                                                   [Opuntia macrorhiza var. macrorhiza]
                                             Opuntia toumeyi
                                             Opuntia treleasei
                                             Opuntia triacantha
                                                   [Cactus triacanthos]
                                                   [Cactus triacanthus]
                                                   [Opuntia abjecta]
                                                   [Opuntia militaris]
                                             Opuntia tuna
                                                   [Cactus tuna]
                                                   [Opuntia jamaicensis]
                                             Opuntia turbinata
                                             Opuntia turgida
                                             Opuntia undulata
                                             Opuntia valida
                                             Opuntia velutina
                                                   [Opuntia affinis]
                                             Opuntia viridiflora
                                             Opuntia wentiana
                                             Opuntia wigginsii
                                             Opuntia wilcoxii
                                             Opuntia wootonii
                                             Opuntia x aequatorialis
                                             Opuntia x andersonii
                                             Opuntia x bernichiana
                                             Opuntia x carstenii
                                             Opuntia x charlestonensis
                                             Opuntia x chlorotica
                                             Opuntia x columbiana
                                             Opuntia x cubensis
                                             Opuntia x demissa
                                             Opuntia x edwardsii
                                             Opuntia x fosbergii
                                             Opuntia x lucayana
                                             Opuntia x occidentalis
                                             Opuntia x rooneyi
                                             Opuntia x spinosibacca
                                             Opuntia x vaseyi
                                                   [Opuntia mesacantha var. vaseyi]
                                             Opuntia x wootonii
                                             Opuntia zamudioi
                                             Opuntia zuniensis
                                             Opuntia × charlestonensis
                                                   [Opuntia phaeacantha var. charlestonensis]
                                             Opuntia × occidentalis
                                               Opuntia occidentalis var. piercei
                                             Opuntia ×curvispina
                                                   [Opuntia curvospina]
                                                   [Opuntia littoralis var. martiniana]
                                                   [Opuntia macrocentra var. martiniana]
                                                   [Opuntia ×martiniana]
                                               Opuntia mesacantha subsp. lata
                              Opuntioideae
                                     Oreocereus
                                           [Oreocereus tacnaensis]
                                             Oreocereus celsianus
                                                   [Borzicactus celsianus]
                                                   [Borzicactus fossulatus]
                                                   [Oreocereus maximus]
                                                   [Oreocereus neocelsianus]
                                             Oreocereus doelzianus
                                                   [Borzicactus doelzianus]
                                               Oreocereus doelzianus subsp. calvus
                                               Oreocereus doelzianus subsp. doelzianus
                                                     [Morawetzia doelziana]
                                               Oreocereus doelzianus subsp. sericatus
                                             Oreocereus hempelianus
                                                   [Oreocereus australis]
                                             Oreocereus leucotrichus
                                                   [Borzicactus hendriksenianus]
                                                   [Borzicactus leucotrichus]
                                                   [Oreocereus hendriksenianus]
                                                   [Oreocereus ritteri]
                                                   [Oreocereus varicolor]
                                                   [Oreocereus variicolor]
                                             Oreocereus pseudofossulatus
                                                   [Cleistocactus fossulatus]
                                                   [Oreocereus fossulatus]
                                             Oreocereus trollii
                                                   [Borzicactus trollii]
                                                   [Oreocereus crassiniveus]
                                     Oroya
                                             Oroya borchersii
                                             Oroya peruviana
                                                   [Oroya baumannii]
                                                   [Oroya gibbosa]
                                                   [Oroya laxiareolata]
                                                   [Oroya neoperuviana]
                                                   [Oroya subocculta]
                                     Ortegocactus
                                             Ortegocactus macdougallii
                                                   [Neobesseya macdougallii]
                                     Pacherocactus
                                             x Pacherocactus orcuttii
                                                   [Pachycereus orcuttii]
                                     Pachgerocereus
                                             Pachgerocereus orcuttii
                                     Pachycereus
                                             Pachycereus fulviceps
                                                   [Carnegiea fulviceps]
                                                   [Cephalocereus fulviceps]
                                                   [Pseudomitrocereus fulviceps]
                                             Pachycereus gatesii
                                                   [Lophocereus gatesii]
                                             Pachycereus gaumeri
                                                   [Pachycereus foetidus]
                                                   [Pterocereus gaumeri subsp. foetidus]
                                             Pachycereus grandis
                                             Pachycereus hollianus
                                                   [Lemaireocereus hollianus]
                                             Pachycereus lepidanthus
                                                   [Escontria lepidantha]
                                             Pachycereus marginatus
                                             Pachycereus militaris
                                                   [Cephalocereus militaris]
                                                   [Mitrocereus militaris]
                                             Pachycereus pecten-aboriginum
                                                   [Pachycereus pecten-aboriginum subsp. tehuantepecanus]
                                                   [Pachycereus tehuantepecanus]
                                             Pachycereus pringlei
                                                   [Pachycereus calvus]
                                             Pachycereus schottii
                                                   [Cereus schottii]
                                                   [Lophocereus mieckleyanus]
                                                   [Lophocereus sargentianus]
                                                   [Lophocereus schottii var. tenuis]
                                                   [Lophocereus schottii]
                                                   Pachycereus schottii f. monstrosus
                                               Pachycereus schottii var. australis
                                                     [Lophocereus schottii var. australis]
                                               Pachycereus schottii var. schottii
                                                     [Cereus schottii var. schottii]
                                                     [Lophocereus schottii var. schottii]
                                             Pachycereus tepamo
                                             Pachycereus weberi
                                                   [Lemaireocereus weberi]
                                                   [Pachycereus gigas]
                                                   [Stenocereus weberi]
                                     Parodia
                                           [Parodia curvispina]
                                             Parodia alacriportana
                                                   [Notocactus alacriportanus]
                                                   [Notocactus brevihamatus]
                                                   [Notocactus catarinensis]
                                                   [Parodia alacriportana subsp. alacriportana]
                                                   [Parodia alacriportana subsp. brevihamata]
                                                   [Parodia alacriportana subsp. buenekeri]
                                                   [Parodia alacriportana subsp. catarinensis]
                                                   [Parodia buenekeri]
                                                   [Parodia catarinensis]
                                             Parodia allosiphon
                                                   [Notocactus allosiphon]
                                             Parodia arnostiana
                                                   [Notocactus arnostianus]
                                             Parodia aureicentra
                                                   [Parodia muhrii]
                                                   [Parodia rauschii]
                                                   [Parodia variicolor]
                                             Parodia ayopayana
                                                   [Parodia borealis]
                                                   [Parodia buxbaumiana]
                                                   [Parodia comosa]
                                                   [Parodia cotacajensis]
                                                   [Parodia echinus]
                                                   [Parodia elata]
                                                   [Parodia macednosa]
                                                   [Parodia miguillensis]
                                                   [Parodia pseudoayopayana]
                                             Parodia buiningii
                                                   [Notocactus buiningii]
                                             Parodia carambeiensis
                                                   [Notocactus carambeiensis]
                                                   [Notocactus villa-velhensis var. carambeiensis]
                                             Parodia chrysacanthion
                                                   [Parodia saint-pieana]
                                             Parodia columnaris
                                                   [Parodia legitima]
                                             Parodia comarapana
                                                   [Parodia mairanana]
                                                   [Parodia neglecta]
                                                   [Parodia neglectoides]
                                             Parodia commutans
                                                   [Parodia maxima]
                                                   [Parodia obtusa]
                                             Parodia concinna
                                                   [Frailea caespitosa]
                                                   [Notocactus agnetae]
                                                   [Notocactus apricus]
                                                   [Notocactus blaauwianus]
                                                   [Notocactus brederooianus]
                                                   [Notocactus caespitosus]
                                                   [Notocactus concinnus]
                                                   [Notocactus eremiticus]
                                                   [Notocactus gibberulus]
                                                   [Notocactus joadii]
                                                   [Notocactus multicostatus]
                                                   [Notocactus olimarensis]
                                                   [Notocactus rubrigemmatus]
                                                   [Parodia caespitosa]
                                                   [Parodia concinna subsp. agnetae]
                                                   [Parodia concinna subsp. blaauwiana]
                                                   [Parodia concinna subsp. blauuwiana]
                                                   [Parodia concinna subsp. concinna]
                                                   [Parodia tabularis subsp. bommeljei]
                                                   [Parodia tabularis subsp. tabularis]
                                             Parodia crassigibba
                                                   [Notocactus arachnitis]
                                                   [Notocactus crassigibbus]
                                                   [Notocactus meonacanthus]
                                                   [Notocactus uebelmannianus var. pleiocephalus]
                                                   [Notocactus uebelmannianus]
                                                   [Parodia meonacantha]
                                                   [Parodia werneri subsp. pleicephala]
                                                   [Parodia werneri subsp. pleiocephala]
                                                   [Parodia werneri subsp. werneri]
                                                   [Parodia werneri]
                                             Parodia erinacea
                                                   [Notocactus acuatus]
                                                   [Notocactus sellowii]
                                                   [Parodia sellowii]
                                                   [Wigginsia acuata]
                                                   [Wigginsia corynodes]
                                                   [Wigginsia courantii]
                                                   [Wigginsia leucocarpa]
                                                   [Wigginsia macrocantha]
                                                   [Wigginsia macrogona]
                                                   [Wigginsia sellowii]
                                                   [Wigginsia stegmannii]
                                                   [Wigginsia tephracantha]
                                                   [Wigginsia vorwerkiana]
                                             Parodia erubescens
                                                   [Echinocactus erubescens]
                                                   [Notocactus erubescens]
                                                   [Notocactus schlosseri]
                                             Parodia formosa
                                                   [Parodia bellavistana]
                                                   [Parodia carapariana]
                                                   [Parodia cardenasii]
                                                   [Parodia chaetocarpa]
                                                   [Parodia chirimoyarana]
                                                   [Parodia pachysa]
                                                   [Parodia parvula]
                                                   [Parodia purpureo-aurea]
                                                   [Parodia pusilla]
                                                   [Parodia setispina]
                                                   [Parodia tillii]
                                                   [Parodia winbergii]
                                             Parodia fusca
                                                   [Notocactus fuscus]
                                             Parodia gibbulosoides
                                                   [Parodia elachista]
                                                   [Parodia exquisita]
                                                   [Parodia gibbulosa]
                                                   [Parodia minuta]
                                                   [Parodia punae]
                                                   [Parodia zecheri]
                                             Parodia haselbergii
                                                   [Notocactus haselbergii]
                                               Parodia haselbergii subsp. graessneri
                                                     [Notocactus graessneri]
                                                     [Parodia elachisantha]
                                                     [Parodia graessneri]
                                               Parodia haselbergii subsp. haselbergii
                                             Parodia hausteiniana
                                                   [Parodia lauii]
                                             Parodia herteri
                                                   [Notocactus herteri]
                                                   [Notocactus pseudoherteri]
                                             Parodia horstii
                                                   [Notocactus horstii]
                                                   [Notocactus purpureus]
                                             Parodia langsdorffii
                                                   [Notocactus leprosorum]
                                                   [Notocactus longispinus]
                                                   [Notocactus polyacanthus]
                                                   [Notocactus prolifer]
                                                   [Notocactus pulvinatus]
                                                   [Parodia langsdorfii]
                                                   [Wigginsia langsdorffii]
                                                   [Wigginsia leprosorum]
                                                   [Wigginsia longispina]
                                                   [Wigginsia polyacantha]
                                                   [Wigginsia prolifera]
                                             Parodia leninghausii
                                                   [Notocactus leninghausii]
                                             Parodia linkii
                                                   [Notocactus linkii]
                                             Parodia maassii
                                                   [Parodia bermejoensis]
                                                   [Parodia haageana]
                                                   [Parodia lamprospina]
                                                   [Parodia suprema]
                                                   [Parodia thieleana]
                                             Parodia magnifica
                                                   [Notocactus magnificus]
                                             Parodia malyana
                                             Parodia mammulosa
                                                   [Notocactus cristatoides]
                                                   [Notocactus erythracanthus]
                                                   [Notocactus floricomus]
                                                   [Notocactus hypocrateriformis]
                                                   [Notocactus macambarensis]
                                                   [Notocactus megalanthus]
                                                   [Notocactus paulus]
                                                   [Notocactus ritterianus]
                                                   [Notocactus roseoluteus]
                                                   [Notocactus submammulosus]
                                                   [Parodia mammulosa subsp. brasiliensis]
                                                   [Parodia mammulosa subsp. erythracantha]
                                                   [Parodia mammulosa subsp. mammulosa]
                                                   [Parodia mammulosa subsp. submammulosa]
                                                   [Parodia submammulosa subsp. minor]
                                                   [Parodia submammulosa]
                                             Parodia microsperma
                                               Parodia microsperma subsp. horrida
                                                     [Parodia atroviridis]
                                                     [Parodia dextrohamata]
                                                     [Parodia heteracantha]
                                                     [Parodia horrida]
                                                     [Parodia kilianana]
                                                     [Parodia lohaniana]
                                                     [Parodia rigida]
                                                     [Parodia superba]
                                               Parodia microsperma subsp. microsperma
                                                     [Parodia aconquijaensis]
                                                     [Parodia albofuscata]
                                                     [Parodia amambayensis]
                                                     [Parodia argerichiana]
                                                     [Parodia aureispina]
                                                     [Parodia betaniana]
                                                     [Parodia campestra]
                                                     [Parodia capillitaensis]
                                                     [Parodia catamarcensis]
                                                     [Parodia chlorocarpa]
                                                     [Parodia fechseri]
                                                     [Parodia fusco-viridis]
                                                     [Parodia glischrocarpa]
                                                     [Parodia grandiflora]
                                                     [Parodia herzogii]
                                                     [Parodia hummeliana]
                                                     [Parodia malyana var. igneuiflora]
                                                     [Parodia mercedesiana]
                                                     [Parodia mesembrina]
                                                     [Parodia minuscula]
                                                     [Parodia mutabilis]
                                                     [Parodia nana]
                                                     [Parodia rigidispina]
                                                     [Parodia rubellihamata]
                                                     [Parodia rubriflora]
                                                     [Parodia rubristaminea]
                                                     [Parodia sanguiniflora]
                                                     [Parodia scopaoides]
                                                     [Parodia setifera]
                                                     [Parodia spanisa]
                                                     [Parodia tafiensis]
                                                     [Parodia talaensis]
                                                     [Parodia tuberculosi-costata]
                                                     [Parodia tucumanensis]
                                                     [Parodia uebelmanniana]
                                                     [Parodia weberiana]
                                             Parodia mueller-melchersii
                                                   [Notocactus eugeniae]
                                                   [Notocactus gutierrezii]
                                                   [Notocactus mueller-melchersii]
                                                   [Notocactus roseiflorus]
                                                   [Notocactus rutilans]
                                                   [Notocactus veenianus]
                                                   [Notocactus winkleri]
                                                   [Parodia mammulosa subsp. eugeniae]
                                                   [Parodia mueller-melchersii subsp. gutierrezii]
                                                   [Parodia mueller-melchersii subsp. mueller-melchersii]
                                                   [Parodia mueller-melchersii subsp. winkleri]
                                                   [Parodia rutilans subsp. rutilans]
                                                   [Parodia rutilans subsp. veeniana]
                                                   [Parodia rutilans]
                                             Parodia muricata
                                                   [Notocactus laetevirens]
                                                   [Notocactus laetivirens]
                                                   [Notocactus muricatus]
                                             Parodia neoarechavaletae
                                                   [Notocactus maldonadensis]
                                                   [Wigginsia arechavaletae]
                                             Parodia neohorstii
                                                   [Notocactus neohorstii]
                                                   [Wigginsia horstii]
                                             Parodia nigrispina
                                             Parodia nivosa
                                                   [Parodia faustiana]
                                                   [Parodia uhligiana]
                                             Parodia nothominuscula
                                             Parodia nothorauschii
                                                   [Notocactus rauschii]
                                                   [Notocactus spinibarbis]
                                             Parodia ocampoi
                                                   [Parodia compressa]
                                             Parodia otaviana
                                             Parodia ottonis
                                                   [Notocactus ottonis]
                                                   [Notocactus ruoffii]
                                                   [Notocactus tenuispinus]
                                                   [Notocactus uruguayus]
                                                   [Parodia paraguayensis]
                                               Parodia ottonis subsp. horstii
                                               Parodia ottonis subsp. ottonis
                                                     [Notocactus arechavaletae]
                                                     [Notocactus grandiensis]
                                             Parodia oxycostata
                                                   [Notocactus oxycostatus]
                                               Parodia oxycostata subsp. gracilis
                                               Parodia oxycostata subsp. oxycostata
                                             Parodia penicillata
                                                   [Notocactus permutatus]
                                                   [Parodia permutata]
                                             Parodia prestoensis
                                             Parodia procera
                                                   [Parodia andreaeoides]
                                                   [Parodia echinopsoides]
                                                   [Parodia gracilis]
                                                   [Parodia lychnosa]
                                                   [Parodia perplexa]
                                                   [Parodia pseudoprocera]
                                                   [Parodia riograndensis]
                                                   [Parodia subtilihamata]
                                                   [Parodia tredecimcostata]
                                             Parodia rechensis
                                                   [Notocactus rechensis]
                                             Parodia ritteri
                                                   [Parodia agasta]
                                                   [Parodia aglaisma]
                                                   [Parodia belliata]
                                                   [Parodia camargensis]
                                                   [Parodia camblayana]
                                                   [Parodia carrerana]
                                                   [Parodia castanea]
                                                   [Parodia cintiensis]
                                                   [Parodia fulvispina]
                                                   [Parodia roseoalba]
                                                   [Parodia rostrum-sperma]
                                                   [Parodia rubida]
                                                   [Parodia splendens]
                                                   [Parodia tojoensis]
                                             Parodia rudibuenekeri
                                                   [Notocactus glomeratus]
                                                   [Notocactus rudibuenekeri]
                                                   [Parodia rudibuenekeri subsp. glomerata]
                                                   [Parodia rudibuenekeri subsp. rudibuenekeri]
                                             Parodia schumanniana
                                                   [Notocactus amplicostatus]
                                                   [Parodia ampliocostata]
                                                   [Parodia grossei]
                                               Parodia schumanniana subsp. claviceps
                                                     [Parodia claviceps]
                                               Parodia schumanniana subsp. schumanniana
                                                     [Notocactus schumannianus]
                                             Parodia schwebsiana
                                                   [Parodia applanata]
                                                   [Parodia minima]
                                                   [Parodia salmonea]
                                             Parodia scopa
                                                   [Notocactus scopa]
                                               Parodia scopa subsp. marchesii
                                               Parodia scopa subsp. neobuenekeri
                                               Parodia scopa subsp. scopa
                                               Parodia scopa subsp. succinea
                                             Parodia stockingeri
                                                   [Notocactus stockingeri]
                                             Parodia stuemeri
                                                   [Parodia carminata]
                                                   [Parodia friciana]
                                                   [Parodia gutekunstiana]
                                                   [Parodia jujuyana]
                                                   [Parodia pseudostuemeri]
                                                   [Parodia rubricentra]
                                                   [Parodia scoparia]
                                                   [Parodia setosa]
                                                   [Parodia tilcarensis]
                                             Parodia subterranea
                                                   [Parodia culpinensis]
                                                   [Parodia miranda]
                                                   [Parodia occulta]
                                                   [Parodia pseudosubterranea]
                                                   [Parodia subterrranea]
                                                   [Parodia zaletaewana]
                                             Parodia succinea
                                             Parodia tabularis
                                             Parodia taratensis
                                                   [Parodia bilbaoensis]
                                                   [Parodia krahnii]
                                             Parodia tenuicylindrica
                                                   [Notocactus minimus]
                                                   [Notocactus tenuicylindricus]
                                             Parodia tuberculata
                                                   [Parodia firmissima]
                                                   [Parodia idiosa]
                                                   [Parodia multicostata]
                                                   [Parodia otuyensis]
                                                   [Parodia quechua]
                                                   [Parodia sotomayorensis]
                                                   [Parodia stereospina]
                                                   [Parodia sucrensis]
                                                   [Parodia tarabucina]
                                                   [Parodia yamparaezi]
                                                   [Parodia yamparaezii]
                                             Parodia turbinata
                                                   [Notocactus calvescens]
                                                   [Notocactus schaeferianus]
                                                   [Wigginsia schaeferiana]
                                                   [Wigginsia turbinata]
                                             Parodia turecekiana
                                             Parodia warasii
                                                   [Notocactus warasii]
                                             Parodia werdermanniana
                                                   [Notocactus ferrugineus]
                                                   [Notocactus memorialis]
                                                   [Notocactus vanvlietii]
                                                   [Notocactus werdermannianus]
                                     Pediocactus
                                             Pediocactus bradyi
                                                   [Pediocactus bradyi subsp. bradyi]
                                                   [Pediocactus simpsonii subsp. bradyi]
                                                   [Toumeya bradyi]
                                             Pediocactus despainii
                                                   [Pediocactus bradyi subsp. despainii]
                                                   [Pediocactus simpsonii var. despainii]
                                             Pediocactus glaucus
                                             Pediocactus knowltonii
                                                   [Pediocactus simpsonii var. knowltonii]
                                             Pediocactus knuthianus
                                             Pediocactus nigrispinus
                                                   [Pediocactus nigrispinus subsp. beastonii]
                                                   [Pediocactus nigrispinus subsp. nigrispinus]
                                                   [Pediocactus nigrispinus subsp. puebloensis]
                                                   [Pediocactus nigrispinus var. beastonii]
                                                   [Pediocactus simpsonii var. nigrispinus]
                                             Pediocactus paradinei
                                                   [Pediocactus simpsonii var. paradinei]
                                             Pediocactus parviflorus
                                               Pediocactus parviflorus subsp. havasupaiensis
                                             Pediocactus peeblesianus
                                                   [Echinocactus peeblesianus]
                                                   [Navajoa peeblesiana]
                                                   [Navajoa peeblesianus]
                                                   [Pediocactus peeblesianus var. maianus]
                                                   [Toumeya peeblesiana]
                                                   [Toumeya peeblesianus]
                                                   [Utahia peeblesiana]
                                                   [Utahia peeblesianus]
                                               Pediocactus peeblesianus subsp. fickeiseniae
                                                     [Pediocactus peeblesianus var. fickeiseniae]
                                               Pediocactus peeblesianus subsp. fickeiseniorum
                                                     [Navajoa fickeisenii]
                                                     [Navajoa peeblesiana subsp. fickeisenii]
                                                     [Navajoa peeblesiana var. fickeisenii]
                                                     [Pediocactus peeblesianus var. fickeisenii]
                                                     [Toumeya fickeisenii]
                                               Pediocactus peeblesianus subsp. peeblesianus
                                                     [Navajoa peeblesiana subsp. menzelii]
                                                     [Pediocactus peeblesianus var. peeblesianus]
                                             Pediocactus sileri
                                                   [Echinocactus sileri]
                                                   [Utahia sileri]
                                             Pediocactus simpsonii
                                                   [Mammillaria purpusii]
                                                   [Pediocactus hermannii]
                                                   [Pediocactus nigrispinus subsp. indranus]
                                                   [Pediocactus robustior]
                                                   [Pediocactus simpsonii subsp. bensonii]
                                                   [Pediocactus simpsonii subsp. idahoensis]
                                                   [Pediocactus simpsonii subsp. indranus]
                                                   [Pediocactus simpsonii subsp. robustior]
                                                   [Pediocactus simpsonii subsp. simpsonii]
                                                   [Pediocactus simpsonii var. indranus]
                                               Pediocactus simpsonii var. minor
                                               Pediocactus simpsonii var. robustior
                                               Pediocactus simpsonii var. simpsonii
                                                     [Echinocactus simpsonii var. robustior]
                                                     [Echinocactus simpsonii]
                                             Pediocactus winkleri
                                                   [Pediocactus bradyi subsp. winkleri]
                                                   [Pediocactus simpsonii var. winkleri]
                                             Pediocactus ysabelae
                                     Pelecyphora
                                             Pelecyphora aselliformis
                                             Pelecyphora chihuahuensis
                                               Pelecyphora chihuahuensis subsp. chihuahuensis
                                                     [Cactus strobiliformis]
                                             Pelecyphora sneedii
                                               Pelecyphora sneedii subsp. orcuttii
                                                     [Coryphantha sneedii var. organensis]
                                                     [Coryphantha sneedii var. sandbergii]
                                               Pelecyphora sneedii subsp. sneedii
                                                     [Escobaria sneedii var. albicolumnaria]
                                             Pelecyphora strobiliformis
                                                   [Ariocarpus strobiliformis]
                                             Pelecyphora tuberculosa
                                                   [Coryphantha tuberculosa var. varicolor]
                                     Peniocereus
                                           [Cereus greggii var. aboriginum]
                                             Peniocereus castellae
                                             Peniocereus chiapensis
                                             Peniocereus cuixmalensis
                                             Peniocereus fosterianus
                                             Peniocereus greggii
                                                   [Peniocereus greggii subsp. greggii]
                                               Peniocereus greggii var. greggii
                                                     [Cereus greggii var. greggii]
                                                     [Cereus greggii]
                                               Peniocereus greggii var. transmontanus
                                                     [Cereus greggii var. transmontanus]
                                             Peniocereus guatemalensis
                                             Peniocereus hirschtianus
                                                   [Nyctocereus guatemalensis]
                                                   [Nyctocereus hirschtianus]
                                                   [Nyctocereus neumannii]
                                             Peniocereus johnstonii
                                             Peniocereus lazaro-cardenasii
                                                   [Neoevansia lazaro-cardenasii]
                                             Peniocereus macdougallii
                                             Peniocereus maculatus
                                             Peniocereus marianus
                                             Peniocereus oaxacensis
                                                   [Nyctocereus oaxacensis]
                                             Peniocereus occidentalis
                                             Peniocereus papillosus
                                                   [Wilcoxia papillosa]
                                             Peniocereus rosei
                                             Peniocereus serpentinus
                                                   [Nyctocereus castellanosii]
                                             Peniocereus striatus
                                                   [Cereus diguetii]
                                                   [Cereus striatus]
                                                   [Neoevansia striata]
                                                   [Peniocereus diguetii]
                                                   [Wilcoxia diguetii]
                                                   [Wilcoxia striata]
                                             Peniocereus tepalcatepecanus
                                             Peniocereus viperinus
                                                   [Cereus viperinus]
                                                   [Wilcoxia tomentosa]
                                                   [Wilcoxia viperina]
                                             Peniocereus zopilotensis
                                                   [Neoevansia zopilotensis]
                                                   [Wilcoxia zopilotensis]
                                     Pereskia
                                             Pereskia aculeata
                                                   [Cactus pereskia]
                                                   [Pereskia aculeata var. godseffiana]
                                                   [Pereskia pereskia]
                                             Pereskia aureiflora
                                             Pereskia bahiensis
                                             Pereskia bleo
                                             Pereskia conzattii
                                             Pereskia diaz-romeroana
                                             Pereskia diazromeroana
                                             Pereskia grandiflora
                                             Pereskia grandifolia
                                               Pereskia grandifolia subsp. grandifolia
                                                     [Pereskia tampicana]
                                               Pereskia grandifolia subsp. violacea
                                               Pereskia grandifolia var. grandifolia
                                             Pereskia guamacho
                                                   [Pereskia colombiana]
                                             Pereskia horrida
                                                   [Pereskia humboldtii]
                                                   [Pereskia vargasii]
                                               Pereskia horrida subsp. horrida
                                               Pereskia horrida subsp. rauhii
                                                     [Pereskia humboldtii var. rauhii]
                                             Pereskia lychnidiflora
                                                   [Leuenbergeria lychnidiflora]
                                                   [Pereskia autumnalis]
                                                   [Pereskiopsis opuntiiflora]
                                                   [Pereskiopsis pititache]
                                             Pereskia marcanoi
                                             Pereskia nemorosa
                                                   [Pereskia amapola]
                                             Pereskia pititache
                                             Pereskia portulacifolia
                                             Pereskia quisqueyana
                                             Pereskia sacharosa
                                                   [Pereskia moorei]
                                                   [Pereskia saipinensis]
                                                   [Pereskia sparsiflora]
                                             Pereskia stenantha
                                             Pereskia weberiana
                                             Pereskia zinniiflora
                                                   [Pereskia cubensis]
                                               Pereskia humboldtii var. humboldtii
                              Pereskioideae
                                     Pereskiopsis
                                             Pereskiopsis aquosa
                                             Pereskiopsis blakeana
                                             Pereskiopsis diguetii
                                                   [Pereskia higuerana]
                                                   [Pereskiopsis spathulata]
                                                   [Pereskiopsis velutina]
                                             Pereskiopsis kellermanii
                                                   [Pereskiopsis scandens]
                                             Pereskiopsis porteri
                                             Pereskiopsis rotundifolia
                                                   [Pereskia rotundifolia]
                                                   [Pereskiopsis chapistle]
                                     Pfeiffera
                                             Pfeiffera asuntapatensis
                                             Pfeiffera boliviana
                                                   [Hariota boliviana]
                                                   [Lepismium bolivianum]
                                                   [Rhipsalis boliviana]
                                             Pfeiffera brevispina
                                                   [Lepismium brevispinum]
                                                   [Rhipsalis brevispina]
                                                   [Rhipsalis riocampanensis]
                                             Pfeiffera crenata
                                                   [Lepismium crenatum]
                                                   [Rhipsalis crenata]
                                             Pfeiffera ianthothele
                                                   [Lepismium ianthothele]
                                                   [Pfeiffera erecta]
                                                   [Pfeiffera gracilis]
                                                   [Pfeiffera mataralensis]
                                                   [Pfeiffera multigona]
                                             Pfeiffera incahuasina
                                             Pfeiffera micrantha
                                                   [Lepismium micranthum]
                                                   [Rhipsalis asperula]
                                             Pfeiffera miyagawae
                                                   [Lepismium miyagawae]
                                                   [Rhipsalis miyagawae]
                                             Pfeiffera monacantha
                                               Pfeiffera monacantha subsp. kimnachii
                                               Pfeiffera monacantha subsp. monacantha
                                                     [Acanthorhipsalis incahuasina]
                                             Pfeiffera paranganiensis
                                                   [Lepismium paranganiense]
                                                   [Rhipsalis paranganiensis]
                                     Phellosperma
                                     Phyllocactus
                                             Phyllocactus phyllanthus
                                     Pierrebraunia
                                             Pierrebraunia bahiensis
                                             Pierrebraunia brauniorum
                                     Pilocereus
                                             Pilocereus alensis
                                             Pilocereus bradei
                                             Pilocereus houlettii
                                             Pilocereus robinii
                                             Pilocereus royenii
                                     Pilosocereus
                                             Pilosocereus albisummus
                                                   [Pilosocereus estevesii]
                                                   [Pilosocereus goianus]
                                             Pilosocereus alensis
                                                   [Cephalocereus alensis]
                                                   [Cephalocereus guerreronis]
                                                   [Pilosocereus guerreronis]
                                             Pilosocereus arrabidae
                                                   [Cephalocereus arrabidae]
                                             Pilosocereus atroflavispinus
                                             Pilosocereus aureispinus
                                                   [Coleocephalocereus aureispinus]
                                             Pilosocereus aurilanatus
                                             Pilosocereus aurisetus
                                                   [Pilocereus aurisetus]
                                               Pilosocereus aurisetus subsp. aurilanatus
                                               Pilosocereus aurisetus subsp. aurisetus
                                                     [Pilosocereus aurisetus subsp. densilanatus]
                                                     [Pilosocereus aurisetus subsp. supthutianus]
                                                     [Pilosocereus aurisetus subsp. werdermannianus]
                                             Pilosocereus azulensis
                                             Pilosocereus azureus
                                             Pilosocereus bahamensis
                                             Pilosocereus bohlei
                                             Pilosocereus bradei
                                             Pilosocereus brasiliensis
                                                   [Cephalocereus brasiliensis]
                                                   [Pilosocereus sublanatus]
                                               Pilosocereus brasiliensis subsp. brasiliensis
                                               Pilosocereus brasiliensis subsp. ruschianus
                                             Pilosocereus braunii
                                             Pilosocereus catingicola
                                                   [Cephalocereus catingicola]
                                                   [Pilosocereus arenicola]
                                               Pilosocereus catingicola subsp. catingicola
                                                     [Pilosocereus catingicola subsp. arenicola]
                                                     [Pilosocereus catingicola subsp. robustus]
                                               Pilosocereus catingicola subsp. salvadorensis
                                                     [Pilosocereus catingicola subsp. hapalacanthus]
                                             Pilosocereus cenepequei
                                             Pilosocereus chrysacanthus
                                                   [Cephalocereus chrysacanthus]
                                             Pilosocereus chrysostele
                                             Pilosocereus coerulescens
                                             Pilosocereus collinsii
                                                   [Cephalocereus collinsii]
                                             Pilosocereus curtisii
                                                   [Pilocereus urbanianus]
                                             Pilosocereus cyaneus
                                             Pilosocereus densiareolatus
                                                   [Pilosocereus densiareolatus subsp. brunneolanatus]
                                             Pilosocereus diersianus
                                             Pilosocereus flavipulvinatus
                                                   [Pilosocereus carolinensis]
                                                   [Pilosocereus flavipulvinatus subsp. carolinensis]
                                                   [Pilosocereus flavipulvinatus var. carolinensis]
                                             Pilosocereus flexibilispinus
                                             Pilosocereus floccosus
                                                   [Pilocereus floccosus]
                                               Pilosocereus floccosus subsp. floccosus
                                               Pilosocereus floccosus subsp. quadricostatus
                                             Pilosocereus fulvilanatus
                                               Pilosocereus fulvilanatus subsp. fulvilanatus
                                                     [Pilosocereus fulvilanatus subsp. vanheekianus]
                                               Pilosocereus fulvilanatus subsp. rosae
                                             Pilosocereus gaumeri
                                             Pilosocereus glaucochrous
                                             Pilosocereus gounellei
                                                   [Cephalocereus gounellei]
                                               Pilosocereus gounellei subsp. gounellei
                                               Pilosocereus gounellei subsp. zehntneri
                                             Pilosocereus hapalacanthus
                                             Pilosocereus juaruensis
                                                   [Pilosocereus densivillosus]
                                                   [Pilosocereus paraguayensis]
                                                   [Pilosocereus saudadensis]
                                             Pilosocereus lanuginosus
                                                   [Cephalocereus colombianus]
                                                   [Cephalocereus lanuginosus]
                                                   [Cephalocereus tweedyanus]
                                                   [Cereus lanuginosus]
                                                   [Pilosocereus backebergii]
                                                   [Pilosocereus claroviridis]
                                                   [Pilosocereus colombianus]
                                                   [Pilosocereus gironensis]
                                                   [Pilosocereus tillianus]
                                                   [Pilosocereus tuberculosus]
                                             Pilosocereus leucocephalus
                                                   [Cephalocereus leucocephalus]
                                                   [Cephalocereus maxonii]
                                                   [Cephalocereus palmeri]
                                                   [Cephalocereus sartorianus]
                                                   [Pilosocereus maxonii]
                                                   [Pilosocereus palmeri]
                                                   [Pilosocereus sartorianus]
                                                   [Pilosocereus tehuacanus]
                                             Pilosocereus machrisii
                                                   [Cephalocereus machrisii]
                                                   [Pilosocereus cristalinensis]
                                                   [Pilosocereus lindaianus]
                                             Pilosocereus magnificus
                                             Pilosocereus minensis
                                             Pilosocereus mollispinus
                                             Pilosocereus moritzianus
                                                   [Cephalocereus moritzianus]
                                             Pilosocereus multicostatus
                                             Pilosocereus oligolepis
                                                   [Pilosocereus kanukuensis]
                                                   [Pilosocereus oligolepis subsp. kanukuensis]
                                             Pilosocereus oreus
                                             Pilosocereus pachycladus
                                               Pilosocereus pachycladus subsp. pachycladus
                                               Pilosocereus pachycladus subsp. pernambucoensis
                                                     [Pilosocereus pernambucoensis var. caesius]
                                             Pilosocereus parvus
                                             Pilosocereus pentaedrophorus
                                                   [Cephalocereus pentaedrophorus]
                                               Pilosocereus pentaedrophorus subsp. pentaedrophorus
                                               Pilosocereus pentaedrophorus subsp. robustus
                                             Pilosocereus pernambucoensis
                                             Pilosocereus piauhyensis
                                                   [Cephalocereus piauhyensis]
                                                   [Pilosocereus gaturianensis]
                                                   [Pilosocereus mucosiflorus]
                                                   [Pilosocereus piauhyensis subsp. gaturianensis]
                                                   [Pilosocereus piauhyensis subsp. mucosiflorus]
                                             Pilosocereus pleurocarpus
                                             Pilosocereus polygonus
                                                   [Cephalocereus bahamensis]
                                                   [Cephalocereus brooksianus]
                                                   [Cephalocereus polygonus]
                                                   [Cephalocereus robinii]
                                                   [Pilosocereus brooksianus]
                                                   [Pilosocereus deeringii]
                                                   [Pilosocereus keyensis]
                                             Pilosocereus purpusii
                                             Pilosocereus pusillibaccatus
                                             Pilosocereus pusilliflorus
                                             Pilosocereus quadricentralis
                                                   [Cephalocereus quadricentralis]
                                             Pilosocereus quadricostatus
                                             Pilosocereus robinii
                                               Pilosocereus robinii subsp. robinii
                                                     [Pilocereus bahamensis]
                                               Pilosocereus robinii var. deeringii
                                               Pilosocereus robinii var. robinii
                                                     [Cactus robinii]
                                             Pilosocereus robustus
                                             Pilosocereus rosae
                                             Pilosocereus royenii
                                                   [Cephalocereus barbadensis]
                                                   [Cephalocereus gaumeri]
                                                   [Cephalocereus millspaughii]
                                                   [Cephalocereus monoclonos]
                                                   [Cephalocereus nobilis]
                                                   [Cephalocereus royenii]
                                                   [Cephalocereus swartzii]
                                                   [Cereus royenii]
                                                   [Pilocereus strictus]
                                                   [Pilosocereus barbadensis]
                                                   [Pilosocereus millspaughii]
                                                   [Pilosocereus monoclonos]
                                                   [Pilosocereus nobilis]
                                                   [Pilosocereus swartzii]
                                                   [Pilosocereus urbanianus]
                                             Pilosocereus rupicola
                                             Pilosocereus ruschianus
                                             Pilosocereus salvadorensis
                                             Pilosocereus schoebelii
                                             Pilosocereus sergipensis
                                             Pilosocereus splendidus
                                             Pilosocereus superbus
                                             Pilosocereus superfloccosus
                                             Pilosocereus supthutianus
                                             Pilosocereus tuberculatus
                                             Pilosocereus tweedyanus
                                             Pilosocereus ulei
                                                   [Cephalocereus robustus]
                                             Pilosocereus vilaboensis
                                                   [Pilosocereus rizzoanus]
                                                   [Pilosocereus rizzoianus]
                                             Pilosocereus werdermannianus
                                             Pilosocereus x occultiflorus
                                             Pilosocereus x subsimilis
                                             Pilosocereus zehnteri
                                     Piptanthocereus
                                             Piptanthocereus colosseus
                                             Piptanthocereus crassisepalus
                                     Platyopuntia
                                     Polaskia
                                             Polaskia chende
                                                   [Lemaireocereus chende]
                                                   [Myrtillocactus chende]
                                             Polaskia chichipe
                                                   [Lemaireocereus chichipe]
                                                   [Lemaireocereus mixtecensis]
                                                   [Myrtillocactus chichipe]
                                     Praecereus
                                             Praecereus amazonicus
                                             Praecereus apoloensis
                                             Praecereus campinensis
                                             Praecereus euchlorus
                                                   [Cereus euchlorus]
                                                   [Monvillea euchlora]
                                               Praecereus euchlorus subsp. amazonicus
                                               Praecereus euchlorus subsp. diffusus
                                               Praecereus euchlorus subsp. euchlorus
                                                     [Cereus campinensis subsp. piedadensis]
                                                     [Cereus campinensis var. piedadensis]
                                                     [Cereus euchlorus subsp. leucanthus]
                                               Praecereus euchlorus subsp. jaenensis
                                               Praecereus euchlorus subsp. smithianus
                                             Praecereus jaenensis
                                             Praecereus maritimus
                                             Praecereus saxicola
                                                   [Cereus euchlorus subsp. rhodoleucanthus]
                                                   [Cereus rhodoleucanthus]
                                                   [Cereus ritteri subsp. parapetiensis]
                                                   [Cereus ritteri]
                                                   [Cereus saxicola]
                                                   [Monvillea chacoana]
                                                   [Monvillea parapetiensis]
                                                   [Monvillea rhodoleucantha]
                                                   [Monvillea saxicola]
                                             Praecereus smithianus
                                     Pseudoacanthocereus
                                             Pseudoacanthocereus brasiliensis
                                                   [Pseudoacanthocereus boreominarum]
                                             Pseudoacanthocereus sicariguensis
                                     Pseudomitrocereus
                                     Pseudorhipsalis
                                             Pseudorhipsalis acuminata
                                                   [Disocactus acuminatus]
                                                   [Disocactus horichii]
                                                   [Pseudorhipsalis horichii]
                                             Pseudorhipsalis alata
                                                   [Disocactus alatus]
                                                   [Rhipsalis alata]
                                             Pseudorhipsalis amazonica
                                               Pseudorhipsalis amazonica subsp. amazonica
                                               Pseudorhipsalis amazonica subsp. chocoensis
                                               Pseudorhipsalis amazonica subsp. panamensis
                                                     [Wittia panamensis]
                                             Pseudorhipsalis himantoclada
                                                   [Disocactus himantocladus]
                                                   [Rhipsalis himantoclada]
                                             Pseudorhipsalis lankesteri
                                                   [Disocactus lankesteri]
                                             Pseudorhipsalis ramulosa
                                                   [Disocactus ramulosus]
                                                   [Rhipsalis angustissima]
                                                   [Rhipsalis angustissimus]
                                                   [Rhipsalis leiophloea]
                                                   [Rhipsalis purpusii]
                                               Pseudorhipsalis ramulosa subsp. jamaicensis
                                                     [Rhipsalis jamaicensis]
                                               Pseudorhipsalis ramulosa subsp. ramulosa
                                     Pterocactus
                                             Pterocactus araucanus
                                             Pterocactus australis
                                             Pterocactus fischeri
                                             Pterocactus gonjianii
                                             Pterocactus hickenii
                                                   [Pterocactus skottsbergii]
                                             Pterocactus megliolii
                                             Pterocactus reticulatus
                                             Pterocactus tuberosus
                                                   [Pterocactus decipiens]
                                                   [Pterocactus kuntzei]
                                             Pterocactus valentini
                                                   [Pterocactus pumilus]
                                                   [Pterocactus valentinii]
                                     Pterocereus
                                             Pterocereus gaumeri
                                                   [Pterocereus foetidus]
                                     Pygmaeocereus
                                             Pygmaeocereus bieblii
                                             Pygmaeocereus bylesianus
                                             Pygmaeocereus familiaris
                                     Pyrrhocactus
                                             Pyrrhocactus atroviridis
                                             Pyrrhocactus carrizalensis
                                             Pyrrhocactus echinus
                                             Pyrrhocactus floccosus
                                             Pyrrhocactus glaucescens
                                             Pyrrhocactus huascensis
                                             Pyrrhocactus neohankeanus
                                             Pyrrhocactus simulans
                                             Pyrrhocactus transitensis
                                             Pyrrhocactus vallenarensis
                                     Quiabentia
                                             Quiabentia verticillata
                                                   [Pereskia pflanzii]
                                                   [Pereskia verticillata]
                                                   [Quiabentia chacoensis]
                                                   [Quiabentia pereziensis]
                                                   [Quiabentia pflanzii]
                                             Quiabentia zehntneri
                                                   [Pereskia zehntneri]
                                     Rapicactus
                                             Rapicactus beguinii
                                     Rathbunia
                                             Rathbunia alamosensis
                                     Rauhocereus
                                             Rauhocereus riosaniensis
                                               Rauhocereus riosaniensis subsp. jaenensis
                                               Rauhocereus riosaniensis subsp. riosaniensis
                                     Rebutia
                                           [Cereus pentaedrophorus]
                                             Rebutia albiflora
                                             Rebutia albopectinata
                                                   [Rebutia schatzliana]
                                                   [Rebutia supthutiana]
                                             Rebutia arenacea
                                                   [Sulcorebutia arenacea]
                                                   [Weingartia arenacea]
                                             Rebutia auranitida
                                             Rebutia aureiflora
                                             Rebutia breviflora
                                                   [Rebutia caineana]
                                                   [Rebutia haseltonii]
                                                   [Sulcorebutia breviflora]
                                                   [Sulcorebutia caineana]
                                                   [Sulcorebutia haseltonii]
                                                   [Weingartia breviflora]
                                                   [Weingartia caineana]
                                                   [Weingartia haseltonii]
                                             Rebutia canigueralii
                                                   [Rebutia canigueralii subsp. canigueralii]
                                                   [Sulcorebutia canigueralii]
                                                   [Sulcorebutia fischeriana]
                                                   [Sulcorebutia losenickyana]
                                                   [Sulcorebutia pasopayana]
                                                   [Sulcorebutia ritteri]
                                                   [Sulcorebutia zavaletae]
                                                   [Weingartia alba]
                                                   [Weingartia brevispina]
                                                   [Weingartia canigueralii]
                                                   [Weingartia losenickyana]
                                                   [Weingartia pasopayana]
                                                   [Weingartia ritteri]
                                                   [Weingartia rubro-aurea]
                                                   [Weingartia tarabucoensis]
                                                   [Weingartia zavaletae]
                                             Rebutia cardenasiana
                                                   [Sulcorebutia cardenasiana]
                                                   [Sulcorebutia langeri]
                                                   [Weingartia cardenasiana]
                                             Rebutia cintia
                                             Rebutia cylindrica
                                                   [Sulcorebutia cylindrica]
                                                   [Weingartia cylindrica]
                                             Rebutia deminuta
                                                   [Rebutia pseudodeminuta]
                                               Rebutia deminuta subsp. deminuta
                                                     [Rebutia froehlichiana]
                                                     [Rebutia frohlichiana]
                                                     [Rebutia fulviseta]
                                                     [Rebutia fusca]
                                                     [Rebutia mamillosa]
                                                     [Rebutia patericalyx]
                                                     [Rebutia pseudominuscula]
                                                     [Rebutia rubiginosa]
                                                     [Rebutia spegazziniana]
                                                     [Rebutia sumayana]
                                                     [Rebutia tarvitaensis]
                                                     [Rebutia tuberosa]
                                                     [Rebutia vulpina]
                                                     [Rebutia zecheri]
                                               Rebutia deminuta subsp. kupperiana
                                                     [Rebutia albiareolata]
                                                     [Rebutia buiningiana]
                                                     [Rebutia kupperiana]
                                                     [Rebutia minutissima]
                                                     [Rebutia nitida]
                                                     [Rebutia nogalesensis]
                                                     [Rebutia robustispina]
                                                     [Rebutia sanguinea]
                                                     [Rebutia wahliana]
                                             Rebutia einsteinii
                                                   [Lobivia einsteinii]
                                               Rebutia einsteinii subsp. aureiflora
                                                     [Mediolobivia euanthema var. fricii]
                                                     [Rebutia aureiflora subsp. elegans]
                                                     [Rebutia aureiflora var. elegans]
                                               Rebutia einsteinii subsp. einsteinii
                                               Rebutia einsteinii subsp. gonjianii
                                             Rebutia euanthema
                                             Rebutia fabrisii
                                             Rebutia fidana
                                                   [Rebutia fidaiana]
                                                   [Sulcorebutia fidaiana]
                                                   [Weingartia fidaiana]
                                               Rebutia fidana subsp. cintiensis
                                                     [Rebutia fidaiana subsp. cintiensis]
                                                     [Weingartia fidaiana subsp. cintiensis]
                                               Rebutia fidana subsp. fidana
                                                     [Rebutia fidaiana subsp. fidaiana]
                                             Rebutia fiebrigii
                                                   [Mediolobivia ithyacantha]
                                                   [Rebutia albipilosa]
                                                   [Rebutia archibuiningiana]
                                                   [Rebutia cajasensis]
                                                   [Rebutia cintiensis]
                                                   [Rebutia donaldiana]
                                                   [Rebutia flavistyla]
                                                   [Rebutia hoffmannii]
                                                   [Rebutia iscayachensis]
                                                   [Rebutia jujuyana]
                                                   [Rebutia kieslingii]
                                                   [Rebutia muscula]
                                                   [Rebutia narvaecense]
                                                   [Rebutia narvaecensis]
                                                   [Rebutia pulchella]
                                                   [Rebutia simoniana]
                                                   [Rebutia spinosissima]
                                                   [Rebutia tamboensis]
                                                   [Rebutia vallegrandensis]
                                                   [Rebutia walteri]
                                             Rebutia fischeriana
                                             Rebutia glomeriseta
                                                   [Rebutia candiae]
                                                   [Rebutia menesesii]
                                                   [Sulcorebutia candiae]
                                                   [Sulcorebutia glomeriseta]
                                                   [Sulcorebutia krahnii]
                                                   [Sulcorebutia menesesii var. kamiensis]
                                                   [Sulcorebutia menesesii var. muschii]
                                                   [Sulcorebutia menesesii]
                                                   [Sulcorebutia muschii]
                                                   [Sulcorebutia xanthoantha]
                                                   [Weingartia candiae]
                                                   [Weingartia glomeriseta]
                                                   [Weingartia glomerispina]
                                                   [Weingartia krahnii]
                                                   [Weingartia menesesii]
                                                   [Weingartia muschii]
                                             Rebutia gonjianii
                                             Rebutia heliosa
                                             Rebutia krugerae
                                                   [Rebutia steinbachii subsp. kruegerae]
                                                   [Rebutia steinbachii subsp. kruegeri]
                                                   [Sulcorebutia krugerae]
                                                   [Sulcorebutia steinbachii subsp. krugerae]
                                                   [Weingartia krugerae]
                                             Rebutia mentosa
                                                   [Sulcorebutia mentosa]
                                                   [Weingartia mentosa]
                                               Rebutia mentosa subsp. mentosa
                                                     [Sulcorebutia markusii subsp. tintiniensis]
                                                     [Sulcorebutia mentosa subsp. flavissima]
                                               Rebutia mentosa subsp. purpurea
                                             Rebutia minuscula
                                                   [Rebutia calliantha]
                                                   [Rebutia carminea]
                                                   [Rebutia chrysacantha]
                                                   [Rebutia graciliflora]
                                                   [Rebutia grandiflora]
                                                   [Rebutia hyalacantha]
                                                   [Rebutia kariusiana]
                                                   [Rebutia krainziana]
                                                   [Rebutia marsoneri]
                                                   [Rebutia minuscula subsp. grandiflora]
                                                   [Rebutia minuscula subsp. violaciflora]
                                                   [Rebutia minuscula var. grandiflora]
                                                   [Rebutia senilis subsp. chrysacantha]
                                                   [Rebutia senilis var. chrysacantha]
                                                   [Rebutia senilis]
                                                   [Rebutia violaciflora]
                                                   [Rebutia wessneriana subsp. beryllioides]
                                                   [Rebutia wessneriana var. beryllioides]
                                                   [Rebutia wessneriana]
                                                   [Rebutia xanthocarpa]
                                             Rebutia neocumingii
                                                   [Sulcorebutia neocumingii]
                                                   [Weingartia neocumingii]
                                               Rebutia neocumingii subsp. lanata
                                                     [Rebutia neocumingii subsp. pilcomayensis]
                                                     [Rebutia neocumingii subsp. riograndensis]
                                                     [Sulcorebutia lanata]
                                                     [Sulcorebutia longigibba]
                                                     [Sulcorebutia pilcomayensis]
                                                     [Sulcorebutia riograndensis]
                                                     [Weingartia lanata subsp. longigibba]
                                                     [Weingartia lanata subsp. pilcomayensis]
                                                     [Weingartia lanata subsp. riograndensis]
                                                     [Weingartia lanata]
                                                     [Weingartia longigibba]
                                                     [Weingartia pilcomayensis]
                                                     [Weingartia riograndensis]
                                               Rebutia neocumingii subsp. neocumingii
                                                     [Lobivia cumingii]
                                                     [Rebutia corroana]
                                                     [Rebutia neocumingii subsp. trollii]
                                                     [Sulcorebutia corroana]
                                                     [Sulcorebutia erinacea]
                                                     [Sulcorebutia hediniana]
                                                     [Sulcorebutia multispina]
                                                     [Sulcorebutia neocorroana]
                                                     [Sulcorebutia platygona]
                                                     [Weingartia ambigua]
                                                     [Weingartia attenuata]
                                                     [Weingartia brachygraphisa]
                                                     [Weingartia buiningiana]
                                                     [Weingartia columnaris]
                                                     [Weingartia corroana]
                                                     [Weingartia erinacea]
                                                     [Weingartia gracilispina]
                                                     [Weingartia hediniana]
                                                     [Weingartia mairanana]
                                                     [Weingartia mataralensis]
                                                     [Weingartia miranda]
                                                     [Weingartia multispina]
                                                     [Weingartia neglecta]
                                                     [Weingartia platygona]
                                                     [Weingartia saetosa]
                                                     [Weingartia trollii]
                                               Rebutia neocumingii subsp. pulquinensis
                                                     [Rebutia neocumingii subsp. saipinensis]
                                                     [Sulcorebutia pulquinensis]
                                                     [Sulcorebutia sucrensis]
                                                     [Weingartia neocumingii subsp. pulquinensis]
                                                     [Weingartia pulquinensis]
                                                     [Weingartia saipinensis]
                                                     [Weingartia sucrensis]
                                             Rebutia neumanniana
                                                   [Gymnocalycium neumannianum]
                                                   [Sulcorebutia neumanniana]
                                                   [Weingartia kargliana]
                                                   [Weingartia neumanniana]
                                                   [Weingartia pygmaea]
                                             Rebutia oculata
                                             Rebutia oligacantha
                                                   [Sulcorebutia tarijensis]
                                                   [Weingartia oligacantha]
                                                   [Weingartia sanguineo-tarijensis]
                                                   [Weingartia tarijensis]
                                             Rebutia padcayensis
                                                   [Rebutia singularis]
                                                   [Weingartia margarethae]
                                             Rebutia perplexa
                                             Rebutia pulchra
                                                   [Rebutia canigueralii subsp. crispata]
                                                   [Rebutia canigueralii subsp. pulchra]
                                                   [Rebutia caracarensis]
                                                   [Rebutia inflexiseta]
                                                   [Rebutia pulchera]
                                                   [Sulcorebutia caracarensis]
                                                   [Sulcorebutia crispata]
                                                   [Sulcorebutia frankiana]
                                                   [Sulcorebutia gerosenilis]
                                                   [Sulcorebutia hertusii subsp. aureicapillata]
                                                   [Sulcorebutia hertusii]
                                                   [Sulcorebutia inflexiseta]
                                                   [Sulcorebutia rauschii]
                                                   [Weingartia aureispina]
                                                   [Weingartia caracarensis]
                                                   [Weingartia crispata]
                                                   [Weingartia frankiana]
                                                   [Weingartia inflexiseta]
                                                   [Weingartia pulchra]
                                                   [Weingartia rauschii]
                                             Rebutia pulvinosa
                                               Rebutia pulvinosa subsp. albiflora
                                               Rebutia pulvinosa subsp. perplexa
                                               Rebutia pulvinosa subsp. pulvinosa
                                             Rebutia pygmaea
                                                   [Lobivia atrovirens]
                                                   [Lobivia neohaageana]
                                                   [Lobivia nigricans]
                                                   [Lobivia nigrispina]
                                                   [Lobivia orurensis]
                                                   [Lobivia pectinata]
                                                   [Mediolobivia haefneriana]
                                                   [Mediolobivia nigricans]
                                                   [Mediolobivia pygmaea]
                                                   [Rebutia atrovirens]
                                                   [Rebutia canacruzensis]
                                                   [Rebutia carmeniana]
                                                   [Rebutia colorea]
                                                   [Rebutia diersiana var. atrovirens]
                                                   [Rebutia diersiana]
                                                   [Rebutia eos]
                                                   [Rebutia friedrichiana]
                                                   [Rebutia gracilispina]
                                                   [Rebutia iridescens]
                                                   [Rebutia lanosiflora]
                                                   [Rebutia leucanthema]
                                                   [Rebutia mixta]
                                                   [Rebutia mixticolor]
                                                   [Rebutia mudanensis]
                                                   [Rebutia nigricans]
                                                   [Rebutia odontopetala]
                                                   [Rebutia orurensis]
                                                   [Rebutia pallida]
                                                   [Rebutia pauciareolata]
                                                   [Rebutia paucicostata]
                                                   [Rebutia rosalbiflora var. amblypetala]
                                                   [Rebutia rosalbiflora]
                                                   [Rebutia rutiliflora]
                                                   [Rebutia salpingantha]
                                                   [Rebutia torquata]
                                                   [Rebutia tropaeolipicta]
                                                   [Rebutia villazonensis]
                                                   [Rebutia violascens]
                                                   [Rebutia yuquinensis]
                                             Rebutia ritteri
                                                   [Lobivia ritteri]
                                                   [Mediolobivia ritteri]
                                                   [Rebutia brunescens]
                                                   [Rebutia huasiensis]
                                                   [Rebutia raulii]
                                             Rebutia sarothroides
                                             Rebutia steinbachii
                                                   [Sulcorebutia steinbachii]
                                                   [Weingartia steinbachii]
                                               Rebutia steinbachii subsp. steinbachii
                                                     [Lobivia hoffmanniana]
                                                     [Rebutia glomerispina]
                                                     [Rebutia polymorpha]
                                                     [Rebutia taratensis]
                                                     [Rebutia tuberculato-chrysantha]
                                                     [Rebutia tunariensis]
                                                     [Rebutia vizcarrae]
                                                     [Sulcorebutia cochabambina]
                                                     [Sulcorebutia glomerispina]
                                                     [Sulcorebutia hoffmanniana]
                                                     [Sulcorebutia lepida]
                                                     [Sulcorebutia mariana]
                                                     [Sulcorebutia mizquensis]
                                                     [Sulcorebutia pampagrandensis]
                                                     [Sulcorebutia polymorpha]
                                                     [Sulcorebutia steinbachii var. australis]
                                                     [Sulcorebutia taratensis]
                                                     [Sulcorebutia tuberculato-chrysantha]
                                                     [Sulcorebutia tunariensis]
                                                     [Sulcorebutia vizcarrae]
                                                     [Weingartia ansaldoensis]
                                                     [Weingartia backebergiana]
                                                     [Weingartia clavata]
                                                     [Weingartia croceareolata]
                                                     [Weingartia electracantha]
                                                     [Weingartia lepida]
                                                     [Weingartia minima]
                                                     [Weingartia mizquensis]
                                                     [Weingartia oenantha]
                                                     [Weingartia pampagrandensis]
                                                     [Weingartia polymorpha]
                                                     [Weingartia taratensis]
                                                     [Weingartia totoralensis]
                                                     [Weingartia totorensis]
                                                     [Weingartia tuberculato-chrysantha]
                                                     [Weingartia tunariensis]
                                                     [Weingartia viscarrae]
                                                     [Weingartia vizcarrae]
                                               Rebutia steinbachii subsp. tiraquensis
                                                     [Rebutia tiraquensis]
                                                     [Sulcorebutia tiraquensis]
                                                     [Weingartia tiraquensis]
                                               Rebutia steinbachii subsp. verticillacantha
                                                     [Sulcorebutia verticillacantha]
                                                     [Weingartia verticillacantha]
                                             Rebutia steinmannii
                                                   [Lobivia brachyantha]
                                                   [Lobivia eucaliptana]
                                                   [Lobivia steinmannii]
                                                   [Mediolobivia brachiantha]
                                                   [Mediolobivia costata]
                                                   [Mediolobivia eucaliptana]
                                                   [Mediolobivia steinmannii]
                                                   [Rebutia brachyantha]
                                                   [Rebutia brunneoradicata]
                                                   [Rebutia camargoensis]
                                                   [Rebutia christinae]
                                                   [Rebutia costata]
                                                   [Rebutia eucaliptana]
                                                   [Rebutia poecilantha]
                                                   [Rebutia potosina]
                                                   [Rebutia rauschii]
                                             Rebutia tarijensis
                                             Rebutia vasqueziana
                                                   [Sulcorebutia alba]
                                                   [Sulcorebutia vasqueziana]
                                     Rhipsalis
                                           [Rhipsalis goebeliana]
                                             Rhipsalis agudoensis
                                             Rhipsalis baccifera
                                                   [Cassytha baccifera]
                                                   [Rhipsalis bartlettii]
                                                   [Rhipsalis cassutha]
                                                   [Rhipsalis cassuthopsis]
                                                   [Rhipsalis cassytha]
                                                   [Rhipsalis cassythoides]
                                                   [Rhipsalis cassythoydes]
                                                   [Rhipsalis heptagona]
                                                   [Rhipsalis hylaea]
                                                   [Rhipsalis minutiflora]
                                                   [Rhipsalis undulata]
                                               Rhipsalis baccifera subsp. baccifera
                                                     [Rhipsalis guineensis]
                                                     [Rhipsalis zanzibarica]
                                               Rhipsalis baccifera subsp. cleistogama
                                               Rhipsalis baccifera subsp. erythrocarpa
                                                     [Rhipsalis erythrocarpa]
                                               Rhipsalis baccifera subsp. hileiabaiana
                                               Rhipsalis baccifera subsp. horrida
                                                     [Rhipsalis pilosa]
                                               Rhipsalis baccifera subsp. mauritiana
                                                     [Rhipsalis baccifera subsp. fortdauphinensis]
                                                     [Rhipsalis cassytha var. mauritiana]
                                               Rhipsalis baccifera subsp. shaferi
                                                     [Rhipsalis shaferi]
                                             Rhipsalis burchellii
                                             Rhipsalis campos-portoana
                                             Rhipsalis cereoides
                                             Rhipsalis cereuscula
                                                   [Rhipsalis penduliflora]
                                                   [Rhipsalis saglionis]
                                                   [Rhipsalis simmleri]
                                             Rhipsalis clavata
                                             Rhipsalis cribrata
                                             Rhipsalis crispata
                                             Rhipsalis cuneata
                                             Rhipsalis dissimilis
                                                   [Lepismium chrysanthum]
                                                   [Lepismium dissimile]
                                                   [Lepismium epiphyllanthoides]
                                                   [Lepismium saxatile]
                                                   [Rhipsalis chrysantha]
                                                   [Rhipsalis rigida]
                                                   [Rhipsalis saxatile]
                                                   [Rhipsalis spinescens]
                                             Rhipsalis elliptica
                                                   [Rhipsalis chloroptera]
                                             Rhipsalis ewaldiana
                                             Rhipsalis floccosa
                                                   [Lepismium floccosum]
                                               Rhipsalis floccosa subsp. floccosa
                                               Rhipsalis floccosa subsp. hohenauensis
                                               Rhipsalis floccosa subsp. oreophila
                                               Rhipsalis floccosa subsp. pittieri
                                               Rhipsalis floccosa subsp. pulvinigera
                                               Rhipsalis floccosa subsp. tucumanensis
                                             Rhipsalis flosculosa
                                             Rhipsalis gibberula
                                             Rhipsalis grandiflora
                                                   [Lepismium grandiflorum]
                                                   [Rhipsalis fastigiata]
                                                   [Rhipsalis hadrosoma]
                                             Rhipsalis hoelleri
                                             Rhipsalis hohenauensis
                                             Rhipsalis juengeri
                                             Rhipsalis lindbergiana
                                                   [Rhipsalis densiareolata]
                                             Rhipsalis lumbricoides
                                             Rhipsalis mesembryanthemoides
                                                   [Rhipsalis mesembryanthoides]
                                             Rhipsalis micrantha
                                                   [Rhipsalis kirbergii]
                                                   [Rhipsalis rauhiorum]
                                                   [Rhipsalis roseana]
                                                   [Rhipsalis tonduzii]
                                                   [Rhipsalis wercklei]
                                             Rhipsalis monacantha
                                                   [Lepismium monacanthum]
                                             Rhipsalis monteazulensis
                                             Rhipsalis neves-armondii
                                                   [Lepismium megalanthum]
                                                   [Lepismium neves-armondii]
                                                   [Rhipsalis megalantha]
                                             Rhipsalis oblonga
                                                   [Rhipsalis crispimarginata]
                                             Rhipsalis occidentalis
                                             Rhipsalis olivifera
                                             Rhipsalis ormindoi
                                             Rhipsalis pacheco-leonis
                                                   [Lepismium pacheco-leonis]
                                               Rhipsalis pacheco-leonis subsp. catenulata
                                               Rhipsalis pacheco-leonis subsp. pacheco-leonis
                                             Rhipsalis pachyptera
                                                   [Rhipsalis dusenii]
                                                   [Rhipsalis robusta]
                                             Rhipsalis paradoxa
                                               Rhipsalis paradoxa subsp. paradoxa
                                                     [Lepismium paradoxum]
                                               Rhipsalis paradoxa subsp. septentrionalis
                                             Rhipsalis parasitica
                                               Rhipsalis parasitica subsp. horrida
                                                     [Rhipsalis horrida]
                                               Rhipsalis parasitica subsp. parasitica
                                                     [Rhipsalis fasciculata]
                                             Rhipsalis pentaptera
                                             Rhipsalis pilocarpa
                                                   [Erythrorhipsalis pilocarpa]
                                             Rhipsalis pittieri
                                             Rhipsalis platycarpa
                                             Rhipsalis pulchra
                                             Rhipsalis pulvinigera
                                             Rhipsalis puniceodiscus
                                                   [Lepismium puniceodiscus var. chrysocarpum]
                                                   [Rhipsalis chrysocarpa]
                                             Rhipsalis ramulosa
                                             Rhipsalis rhombea
                                             Rhipsalis russellii
                                             Rhipsalis sarmentacea
                                             Rhipsalis sulcata
                                             Rhipsalis teres
                                                   [Rhipsalis alboareolata]
                                                   [Rhipsalis capilliformis]
                                                   [Rhipsalis clavellina]
                                                   [Rhipsalis heteroclada]
                                                   [Rhipsalis maricaensis]
                                                   [Rhipsalis prismatica]
                                                   [Rhipsalis virgata]
                                             Rhipsalis trigona
                                                   [Lepismium trigonum]
                                             Rhipsalis tucumanensis
                                     Ripsalis
                                     Ritterocereus
                                     Samaipaticereus
                                             Samaipaticereus corroanus
                                             Samaipaticereus inquisivensis
                                     Schlumbergera
                                           [Schlumbergera x exotica]
                                           [Schlumbergera x reginae]
                                             Schlumbergera bridgesii
                                             Schlumbergera gaertneri
                                             Schlumbergera kautskyi
                                                   [Schlumbergera truncata subsp. kautskyi]
                                             Schlumbergera microsphaerica
                                                   [Cereus microsphaericus]
                                                   [Schlumbergera microsphaerica subsp. candida]
                                                   [Schlumbergera microsphaerica subsp. microsphaerica]
                                                   [Schlumbergera obtusangula]
                                             Schlumbergera opuntioides
                                             Schlumbergera orssichiana
                                             Schlumbergera russeliana
                                             Schlumbergera russelliana
                                             Schlumbergera truncata
                                                   [Epiphyllum truncatum]
                                                   [Zygocactus truncatus]
                                             Schlumbergera x buckleyi
                                     Sclerocactus
                                             Sclerocactus blainei
                                                   [Pediocactus spinosior subsp. blainei]
                                                   [Sclerocactus schlesseri]
                                             Sclerocactus brevihamatus
                                                   [Pediocactus brevihamatus]
                                                   [Sclerocactus brevihamaticus]
                                               Sclerocactus brevihamatus subsp. brevihamatus
                                               Sclerocactus brevihamatus subsp. tobuschii
                                                     [Pediocactus brevihamatus subsp. tobuschii]
                                             Sclerocactus brevispinus
                                             Sclerocactus cloverae
                                                   [Pediocactus cloverae]
                                                   [Sclerocactus cloveriae subsp. cloveriae]
                                                   [Sclerocactus cloveriae]
                                                   [Sclerocactus whipplei subsp. heilii]
                                                   [Sclerocactus whipplei var. reevesii]
                                               Sclerocactus cloverae subsp. brackii
                                                     [Pediocactus cloverae subsp. brackii]
                                                     [Sclerocactus cloveriae subsp. brackii]
                                               Sclerocactus cloverae subsp. cloverae
                                             Sclerocactus glaucus
                                                   [Echinocactus subglacus]
                                                   [Echinocactus subglaucus]
                                                   [Echinocactus whipplei var. glaucus]
                                                   [Ferocactus glaucus]
                                                   [Sclerocactus franklinii]
                                                   [Sclerocactus whipplei var. glaucus]
                                             Sclerocactus havasupaiensis
                                             Sclerocactus intertextus
                                                   [Echinomastus intertextus subsp. dasyacanthus]
                                                   [Neolloydia intertexta var. intertexta]
                                                   [Pediocactus intertextus]
                                             Sclerocactus johnsonii
                                                   [Echinocactus johnsonii subsp. lutescens]
                                                   [Echinocactus johnsonii var. lutescens]
                                                   [Echinocactus johnsonii]
                                                   [Echinomastus johnsonii subsp. johnsonii]
                                                   [Echinomastus johnsonii var. johnsonii]
                                                   [Echinomastus johnsonii var. lutescens]
                                                   [Echinomastus johnsonii]
                                                   [Ferocactus johnsonii]
                                                   [Neolloydia johnsonii var. lutescens]
                                                   [Pediocactus johnsonii]
                                             Sclerocactus mariposensis
                                                   [Pediocactus mariposensis]
                                             Sclerocactus mesae-verdae
                                                   [Coloradoa mesae-verdae]
                                                   [Echinocactus mesae-verdae]
                                                   [Ferocactus mesae-verdae]
                                                   [Pediocactus mesae-verdae]
                                               Sclerocactus mesae-verdae subsp. depressus
                                             Sclerocactus nyensis
                                                   [Pediocactus nyensis]
                                             Sclerocactus papyracanthus
                                                   [Echinocactus papyracanthus]
                                                   [Mammillaria papyracantha]
                                                   [Pediocactus papyracanthus]
                                                   [Toumeya papyracantha]
                                             Sclerocactus parviflorus
                                                   [Echinocactus whipplei]
                                                   [Ferocactus parviflorus]
                                                   [Pediocactus parviflorus subsp. intermedius]
                                                   [Pediocactus parviflorus subsp. terrae-canyonae]
                                                   [Pediocactus whipplei]
                                                   [Sclerocactus parviflorus var. blessingiae]
                                                   [Sclerocactus whipplei var. roseus]
                                               Sclerocactus parviflorus subsp. havasupaiensis
                                               Sclerocactus parviflorus subsp. intermedius
                                                     [Echinocactus whipplei var. intermedius]
                                                     [Sclerocactus intermedius]
                                                     [Sclerocactus parviflorus var. intermedius]
                                                     [Sclerocactus whipplei var. intermedius]
                                               Sclerocactus parviflorus subsp. parviflorus
                                                     [Sclerocactus contortus]
                                                     [Sclerocactus whipplei var. heilii]
                                                     [Sclerocactus whipplei var. reevsii]
                                               Sclerocactus parviflorus subsp. terrae-canyonae
                                                     [Sclerocactus terrae-canyonae]
                                               Sclerocactus parviflorus var. parviflorus
                                             Sclerocactus polyancistrus
                                                   [Ferocactus polyancistrus]
                                                   [Pediocactus polyancistrus]
                                             Sclerocactus pubispinus
                                                   [Echinocactus pubispinus]
                                                   [Ferocactus pubispinus]
                                                   [Sclerocactus pubispinus var. pubispinus]
                                             Sclerocactus scheeri
                                                   [Ancistrocactus megarrhizus]
                                                   [Echinocactus megarhizus]
                                                   [Ferocactus scheeri]
                                                   [Pediocactus scheeri]
                                                   [Sclerocactus sheeri]
                                             Sclerocactus sileri
                                             Sclerocactus spinosior
                                                   [Echinocactus whipplei var. spinosior]
                                                   [Ferocactus spinosior]
                                                   [Pediocactus spinosior]
                                                   [Sclerocactus pubispinus var. sileri]
                                                   [Sclerocactus pubispinus var. spinosior]
                                                   [Sclerocactus whipplei var. spinosior]
                                               Sclerocactus spinosior subsp. blainei
                                                     [Sclerocactus spinosior var. blainei]
                                               Sclerocactus spinosior subsp. spinosior
                                             Sclerocactus uncinatus
                                                   [Pediocactus uncinatus]
                                               Sclerocactus uncinatus subsp. crassihamatus
                                                     [Ancistrocactus crassihamatus]
                                                     [Ferocactus crassihamatus]
                                                     [Ferocactus mathssonii]
                                                     [Hamatocactus crassihamatus]
                                               Sclerocactus uncinatus subsp. uncinatus
                                                     [Ancistrocactus uncinatus var. uncinatus]
                                               Sclerocactus uncinatus var. uncinatus
                                                     [Ancistrocactus uncinatus]
                                                     [Echinocactus uncinatus]
                                                     [Thelocactus uncinatus]
                                               Sclerocactus uncinatus var. wrightii
                                                     [Ancistrocactus uncinatus var. wrightii]
                                                     [Echinocactus uncinatus var. wrightii]
                                                     [Ferocactus uncinatus var. wrightii]
                                                     [Sclerocactus uncinatus subsp. wrightii]
                                             Sclerocactus unguispinus
                                                   [Echinocactus unguispinus]
                                                   [Echinomastus durangensis]
                                                   [Echinomastus laui]
                                                   [Echinomastus mapimiensis]
                                                   [Echinomastus unguispinus var. laui]
                                                   [Neolloydia durangensis]
                                                   [Neolloydia unguispina]
                                                   [Pediocactus unguispinus]
                                                   [Thelocactus durangensis]
                                                   [Thelocactus unguispinus]
                                             Sclerocactus warnockii
                                                   [Pediocactus gautii]
                                                   [Pediocactus warnockii]
                                             Sclerocactus wetlandicus
                                             Sclerocactus whipplei
                                                   [Ferocactus whipplei]
                                                   [Sclerocactus whipplei subsp. busekii]
                                                   [Sclerocactus whipplei subsp. whipplei]
                                               Sclerocactus whipplei var. ilseae
                                               Sclerocactus whipplei var. whipplei
                                             Sclerocactus wrightiae
                                                   [Ferocactus wrightiae]
                                                   [Pediocactus wrightiae]
                                     Selenicereus
                                             Selenicereus anthonyanus
                                                   [Cryptocereus anthonyanus]
                                             Selenicereus atropilosus
                                             Selenicereus boeckmannii
                                             Selenicereus chrysocardium
                                                   [Epiphyllum chrysocardium]
                                             Selenicereus coniflorus
                                                   [Selenicereus pringlei]
                                             Selenicereus donkelaarii
                                             Selenicereus grandiflorus
                                                   [Cereus grandiflorus var. armatus]
                                                   [Cereus grandiflorus]
                                                   [Selenicereus macdonaldiae]
                                               Selenicereus grandiflorus subsp. donkelaarii
                                               Selenicereus grandiflorus subsp. grandiflorus
                                                     [Selenicereus hallensis]
                                                     [Selenicereus kunthianus]
                                                     [Selenicereus maxonii]
                                                     [Selenicereus urbanianus]
                                               Selenicereus grandiflorus subsp. hondurensis
                                                     [Selenicereus hondurensis]
                                               Selenicereus grandiflorus subsp. lautneri
                                             Selenicereus guatemalensis
                                             Selenicereus hamatus
                                             Selenicereus inermis
                                                   [Epiphyllum steyermarkii]
                                             Selenicereus innesii
                                             Selenicereus minutiflorus
                                                   [Wilmattea minutiflora]
                                             Selenicereus mirandae
                                             Selenicereus monacanthus
                                             Selenicereus murrillii
                                             Selenicereus nelsonii
                                             Selenicereus ocamponis
                                                   [Hylocereus bronxensis]
                                             Selenicereus pteranthus
                                                   [Cereus pteranthus]
                                                   [Selenicereus boeckmanni]
                                                   [Selenicereus brevispinus]
                                                   [Selenicereus vaupelii]
                                             Selenicereus purpusii
                                             Selenicereus spinulosus
                                                   [Selenicereus pseudospinulosus]
                                             Selenicereus stenopterus
                                             Selenicereus testudo
                                             Selenicereus triangularis
                                                   [Cactus triangularis]
                                             Selenicereus undatus
                                                   [Hylocereus tricostatus]
                                             Selenicereus vagans
                                             Selenicereus validus
                                             Selenicereus wercklei
                                             Selenicereus wittii
                                                   [Strophocactus wittii]
                                     Stenocactus
                                             Stenocactus coptonogonus
                                                   [Echinofossulocactus coptonogonus]
                                             Stenocactus crispatus
                                                   [Echinocactus lancifer]
                                                   [Echinofossulocactus crispatus]
                                                   [Stenocactus anfractuosus]
                                                   [Stenocactus wippermannii]
                                             Stenocactus multicostatus
                                                   [Echinofossulocactus erectocentrus]
                                                   [Echinofossulocactus lloydii]
                                                   [Echinofossulocactus zacatecasensis]
                                                   [Stenocactus lloydii]
                                                   [Stenocactus zacatecasensis]
                                               Stenocactus multicostatus subsp. zacatecasensis
                                             Stenocactus obvallatus
                                                   [Echinocactus flexispinus]
                                                   [Echinofossulocactus arrigens]
                                                   [Echinofossulocactus caespitosus]
                                                   [Echinofossulocactus confusus]
                                                   [Echinofossulocactus flexispinus]
                                                   [Echinofossulocactus guerraianus]
                                                   [Echinofossulocactus kellerianus]
                                                   [Echinofossulocactus lamellosus]
                                                   [Echinofossulocactus lancifer]
                                                   [Echinofossulocactus multiareolatus]
                                                   [Echinofossulocactus obvallatus]
                                                   [Echinofossulocactus pentacanthus]
                                                   [Echinofossulocactus violaciflorus]
                                                   [Stenocactus arrigens]
                                                   [Stenocactus dichroacanthus]
                                                   [Stenocactus hastatus]
                                                   [Stenocactus lamellosus]
                                                   [Stenocactus lancifer]
                                             Stenocactus ochoterenanus
                                                   [Echinofossulocactus densispinus]
                                                   [Echinofossulocactus heteracanthus]
                                                   [Stenocactus heteracanthus]
                                                   [Stenocactus lexarzai]
                                                   [Stenocactus ochoterenaus]
                                             Stenocactus pentacanthus
                                             Stenocactus phyllacanthus
                                                   [Echinofossulocactus phyllacanthus]
                                                   [Echinofossulocactus tricuspidatus]
                                             Stenocactus sulphureus
                                                   [Echinofossulocactus sulphureus]
                                             Stenocactus vaupelianus
                                                   [Echinofossulocactus albatus]
                                                   [Stenocactus albatus]
                                                   [Stenocactus rectispinus]
                                               Stenocactus dichroacanthus subsp. violaciflorus
                                     Stenocereus
                                             Stenocereus alamosensis
                                                   [Rathbunia alamosensis var. sonorensis]
                                                   [Rathbunia neosonorensis]
                                                   [Rathbunia sonorensis]
                                             Stenocereus alamosensis x thurberi
                                             Stenocereus aragonii
                                                   [Lemaireocereus aragonii]
                                                   [Pachycereus aragonii]
                                             Stenocereus beneckei
                                                   [Lemaireocereus beneckei]
                                             Stenocereus chacalapensis
                                             Stenocereus chrysocarpus
                                             Stenocereus dumortieri
                                             Stenocereus eichlamii
                                                   [Lemaireocereus eichlamii]
                                                   [Lemaireocereus longispinus]
                                                   [Pachycereus eichlamii]
                                                   [Ritterocereus eichlamii]
                                                   [Stenocereus longispinus]
                                             Stenocereus eruca
                                                   [Cereus eruca]
                                                   [Lemaireocereus eruca]
                                             Stenocereus fimbriatus
                                             Stenocereus fricii
                                             Stenocereus griseus
                                                   [Cereus griseus]
                                                   [Lemaireocereus deficiens]
                                                   [Lemaireocereus griseus]
                                                   [Ritterocereus deficiens]
                                                   [Ritterocereus griseus]
                                                   [Stenocereus deficiens]
                                             Stenocereus gummosus
                                             Stenocereus huastecorum
                                             Stenocereus humilis
                                                   [Armatocereus humilis]
                                                   [Lemaireocereus humilis]
                                             Stenocereus hystrix
                                                   [Ritterocereus hystrix]
                                             Stenocereus kerberi
                                                   [Rathbunia kerberi]
                                             Stenocereus littoralis
                                                   [Stenocereus thurberi subsp. littoralis]
                                             Stenocereus marginatus
                                             Stenocereus martinezii
                                                   [Lemaireocereus martinezii]
                                             Stenocereus montanus
                                             Stenocereus pruinosus
                                                   [Cereus pruinosus]
                                                   [Ritterocereus laevigatus]
                                                   [Ritterocereus pruinosus]
                                                   [Stenocereus laevigatus]
                                             Stenocereus queretaroensis
                                                   [Lemaireocereus queretaroensis]
                                                   [Ritterocereus queretaroensis]
                                             Stenocereus quevedonis
                                                   [Lemaireocereus quevedonis]
                                             Stenocereus standleyi
                                                   [Lemaireocereus standleyi]
                                                   [Ritterocereus standleyi]
                                             Stenocereus stellatus
                                                   [Lemaireocereus stellatus]
                                             Stenocereus thurberi
                                                   [Cereus thurberi]
                                                   [Lamaireocereus thurberi]
                                                   [Lemaireocereus thurberi]
                                                   [Pachycereus thurberi]
                                               Stenocereus thurberi subsp. thurberi
                                               Stenocereus thurberi var. thurberi
                                                     [Lemaireocereus thurberi var. thurberi]
                                             Stenocereus treleasei
                                                   [Lemaireocereus treleasei]
                                             Stenocereus yunckeri
                                             Stenocereus zopilotensis
                                     Stephanocereus
                                             Stephanocereus leucostele
                                                   [Cephalocereus leucostele]
                                             Stephanocereus luetzelburgii
                                                   [Pilosocereus luetzelburgii]
                                     Stetsonia
                                             Stetsonia coryne
                                                   [Cereus chacoanus]
                                     Strombocactus
                                             Strombocactus disciformis
                                               Strombocactus disciformis subsp. disciformis
                                                     [Strombocactus jarmilae]
                                               Strombocactus disciformis subsp. esperanzae
                                                     [Strombocactus pulcherrimus]
                                     Strophocactus
                                             Strophocactus chontalensis
                                                   [Nyctocereus chontalensis]
                                                   [Selenicereus chontalensis]
                                             Strophocactus testudo
                                     Sulcorebutia
                                             Sulcorebutia augustinii
                                             Sulcorebutia cintiensis
                                             Sulcorebutia dorana
                                             Sulcorebutia flavissima
                                             Sulcorebutia lecoriensis
                                             Sulcorebutia markusii
                                             Sulcorebutia purpurea
                                             Sulcorebutia santiaginiensis
                                             Sulcorebutia swobodae
                                             Sulcorebutia toroterensis
                                             Sulcorebutia unguispina
                                             Sulcorebutia vilcayensis
                                             Sulcorebutia westii
                                     Tacinga
                                             Tacinga braunii
                                             Tacinga funalis
                                                   [Tacinga atropurpurea]
                                                   [Tacinga funalis subsp. atropurpurea]
                                             Tacinga inamoena
                                                   [Opuntia inamoena]
                                                   [Platyopuntia inamoena]
                                               Tacinga inamoena subsp. inamoena
                                               Tacinga inamoena subsp. subcylindrica
                                             Tacinga lilae
                                                   [Opuntia lilae]
                                             Tacinga palmadora
                                                   [Opuntia palmadora]
                                             Tacinga saxatilis
                                                   [Opuntia saxatilis]
                                                   [Platyopuntia saxatilis]
                                               Tacinga saxatilis subsp. estevesii
                                               Tacinga saxatilis subsp. saxatilis
                                             Tacinga werneri
                                                   [Opuntia werneri]
                                             Tacinga x quipa
                                                   [Opuntia x quipa]
                                     Tephrocactus
                                             Tephrocactus alexanderi
                                                   [Opuntia alexanderi]
                                                   [Opuntia flexuosa]
                                                   [Opuntia halophila]
                                                   [Tephrocactus flexuosus]
                                                   [Tephrocactus geometricus]
                                                   [Tephrocactus microsphaericus]
                                             Tephrocactus aoracanthus
                                                   [Opuntia aoracantha]
                                                   [Tephrocactus ovatus]
                                             Tephrocactus articulatus
                                                   [Opuntia papyracantha]
                                             Tephrocactus bonnieae
                                                   [Maihueniopsis bonnieae]
                                                   [Puna bonnieae]
                                             Tephrocactus minusculus
                                             Tephrocactus molinensis
                                                   [Maihueniopsis molinensis]
                                                   [Opuntia molinensis]
                                             Tephrocactus nigrispinus
                                                   [Opuntia nigrispina]
                                                   [Platyopuntia atroglobosa]
                                                   [Platyopuntia nigrispina]
                                                   [Tephrocactus atroglobosus]
                                             Tephrocactus setiger
                                             Tephrocactus strobiliformis
                                             Tephrocactus weberi
                                                   [Opuntia weberi]
                                     Thelocactus
                                             Thelocactus bicolor
                                                   [Thelocactus bicolor var. pottsii]
                                               Thelocactus bicolor subsp. bicolor
                                                     [Ferocactus bicolor]
                                               Thelocactus bicolor subsp. bolaensis
                                               Thelocactus bicolor subsp. heterochromus
                                               Thelocactus bicolor subsp. schwarzii
                                               Thelocactus bicolor var. bicolor
                                               Thelocactus bicolor var. flavidispinus
                                                     [Echinocactus flavidispinus]
                                                     [Thelocactus bicolor subsp. flavidispinus]
                                               Thelocactus bicolor var. schottii
                                             Thelocactus buekii
                                                   [Thelocactus tulensis subsp. matudae]
                                             Thelocactus conothelos
                                               Thelocactus conothelos subsp. argenteus
                                               Thelocactus conothelos subsp. aurantiacus
                                               Thelocactus conothelos subsp. conothelos
                                                     [Pediocactus smithii]
                                               Thelocactus conothelos subsp. garciae
                                                     [Thelocactus garciae]
                                             Thelocactus hastifer
                                             Thelocactus heterochromus
                                             Thelocactus hexaedrophorus
                                               Thelocactus hexaedrophorus subsp. hexaedrophorus
                                               Thelocactus hexaedrophorus subsp. lloydii
                                                     [Thelocactus lloydii]
                                               Thelocactus hexaedrophorus var. hexaedrophorus
                                               Thelocactus hexaedrophorus var. lloydii
                                             Thelocactus lausseri
                                             Thelocactus leucacanthus
                                               Thelocactus leucacanthus subsp. leucacanthus
                                               Thelocactus leucacanthus subsp. schmollii
                                             Thelocactus macdowellii
                                             Thelocactus multicephalus
                                             Thelocactus rinconensis
                                               Thelocactus rinconensis subsp. freudenbergeri
                                               Thelocactus rinconensis subsp. hintonii
                                               Thelocactus rinconensis subsp. nidulans
                                               Thelocactus rinconensis subsp. rinconensis
                                             Thelocactus setispinus
                                             Thelocactus tulensis
                                               Thelocactus tulensis subsp. buekii
                                               Thelocactus tulensis subsp. tulensis
                                     Thrixanthocereus
                                     Toumeya
                                             Toumeya macrochele
                                     Trichocereus
                                             Trichocereus auricolor
                                             Trichocereus bertramianus
                                             Trichocereus callianthus
                                             Trichocereus candicans
                                             Trichocereus conaconensis
                                             Trichocereus grandiflorus
                                             Trichocereus litoralis
                                             Trichocereus macrogonus
                                             Trichocereus pachanoi
                                             Trichocereus pasacanus
                                             Trichocereus peruvianus
                                             Trichocereus schickendantzii
                                             Trichocereus skottsbergii
                                             Trichocereus spachianus
                                             Trichocereus tarijensis
                                                   [Trichocereus poco]
                                             Trichocereus terscheckii
                                             Trichocereus thelegonus
                                             Trichocereus totorensis
                                             Trichocereus uyupampensis
                                     Tunilla
                                             Tunilla corrugata
                                                   [Opuntia albisaetacens]
                                                   [Opuntia corrugata]
                                                   [Platyopuntia albisaetacens]
                                                   [Platyopuntia corrugata]
                                                   [Tunilla albisaetacens]
                                             Tunilla erectoclada
                                                   [Opuntia erectoclada]
                                                   [Opuntia ianthinantha]
                                                   [Opuntia picardoi]
                                                   [Platyopuntia ianthinantha]
                                                   [Tunilla ianthinantha]
                                                   [Tunilla picardoi]
                                             Tunilla microdisca
                                                   [Opuntia microdisca]
                                                   [Platyopuntia microdisca]
                                             Tunilla soehrensii
                                                   [Opuntia alcerrecensis]
                                                   [Opuntia minuscula]
                                                   [Opuntia orurensis]
                                                   [Opuntia silvestris]
                                                   [Opuntia soehrensii]
                                                   [Platyopuntia chilensis]
                                                   [Platyopuntia orurensis]
                                                   [Platyopuntia soehrensii]
                                                   [Tephrocactus silvestris]
                                                   [Tunilla chilensis]
                                                   [Tunilla minuscula]
                                                   [Tunilla orurensis]
                                                   [Tunilla silvestris]
                                     Turbinicarpus
                                           [Turbinicarpus roseiflorus]
                                             Turbinicarpus alonsoi
                                                   [Pediocactus alonsoi]
                                             Turbinicarpus beguinii
                                               Turbinicarpus beguinii subsp. beguinii
                                               Turbinicarpus beguinii subsp. hintoniorum
                                               Turbinicarpus beguinii subsp. zaragosae
                                                     [Turbinicarpus subterraneus subsp. zaragosae]
                                                     [Turbinicarpus subterraneus var. zaragosae]
                                                     [Turbinicarpus zaragosae]
                                             Turbinicarpus booleanus
                                             Turbinicarpus gautii
                                             Turbinicarpus gielsdorfianus
                                                   [Pediocactus gielsdorfianus]
                                             Turbinicarpus hoferi
                                                   [Pediocactus hoferi]
                                             Turbinicarpus horripilus
                                                   [Pediocactus horripilus]
                                             Turbinicarpus knuthianus
                                             Turbinicarpus laui
                                                   [Pediocactus laui]
                                             Turbinicarpus lophophoroides
                                                   [Pediocactus lophophoroides]
                                                   [Strombocactus lophophoroides]
                                                   [Toumeya lophophoroides]
                                             Turbinicarpus mandragora
                                                   [Pediocactus mandragora]
                                               Turbinicarpus mandragora subsp. mandragora
                                               Turbinicarpus mandragora subsp. pailanus
                                             Turbinicarpus pseudomacrochele
                                                   [Pediocactus pseudomacrochele]
                                                   [Strombocactus pseudomacrochele]
                                                   [Toumeya pseudomacrochele]
                                               Turbinicarpus pseudomacrochele subsp. krainzianus
                                                     [Pediocactus pseudomacrochele var. krainzianus]
                                                     [Strombocactus pseudomacrochele var. krainzianus]
                                                     [Toumeya krainziana]
                                                     [Toumeya pseudomacrochele var. krainziana]
                                                     [Turbinicarpus krainzianus]
                                               Turbinicarpus pseudomacrochele subsp. lausseri
                                                     [Pediocactus pseudomacrochele var. lausseri]
                                               Turbinicarpus pseudomacrochele subsp. minimus
                                               Turbinicarpus pseudomacrochele subsp. pseudomacrochele
                                             Turbinicarpus pseudopectinatus
                                                   [Pediocactus pseudopectinatus]
                                                   [Pelecyphora pseudopectinata]
                                             Turbinicarpus saueri
                                                   [Pediocactus saueri]
                                               Turbinicarpus saueri subsp. knuthianus
                                               Turbinicarpus saueri subsp. nelissae
                                               Turbinicarpus saueri subsp. saueri
                                                     [Echinocactus saueri]
                                             Turbinicarpus schmiedickeanus
                                                   [Echinocactus schmiedickeanus]
                                                   [Strombocactus schmiedickeanus]
                                                   [Toumeya schmiedickeana]
                                               Turbinicarpus schmiedickeanus subsp. andersonii
                                                     [Turbinicarpus macrochele subsp. andersonii]
                                                     [Turbinicarpus schmiedickeanus var. panarottoi]
                                               Turbinicarpus schmiedickeanus subsp. bonatzii
                                                     [Pediocactus bonatzii]
                                                     [Turbinicarpus bonatzii]
                                               Turbinicarpus schmiedickeanus subsp. dickisoniae
                                                     [Pediocactus schmiedickeanus var. dickisoniae]
                                                     [Turbinicarpus schmiedickeanus subsp. dicksoniae]
                                               Turbinicarpus schmiedickeanus subsp. flaviflorus
                                                     [Pediocactus schmiedickeanus var. flaviflorus]
                                                     [Turbinicarpus flaviflorus]
                                                     [Turbinicarpus macrochele subsp. flaviflorus]
                                                     [Turbinicarpus schmiedickeanus var. flaviflorus]
                                               Turbinicarpus schmiedickeanus subsp. gracilis
                                                     [Pediocactus schmiedickeanus var. gracilis]
                                                     [Turbinicarpus gracilis]
                                                     [Turbinicarpus schmiedickeanus var. gracilis]
                                               Turbinicarpus schmiedickeanus subsp. jauernigii
                                                     [Turbinicarpus jauernigii]
                                               Turbinicarpus schmiedickeanus subsp. klinkerianus
                                                     [Pediocactus schmiedickeanus var. klinkerianus]
                                                     [Strombocactus klinkerianus]
                                                     [Strombocactus schmiedickeanus var. klinkerianus]
                                                     [Toumeya klinkeriana]
                                                     [Toumeya schmiedickeana var. klinkeriana]
                                                     [Turbinicarpus klinkerianus]
                                                     [Turbinicarpus macrochele subsp. klinkerianus]
                                               Turbinicarpus schmiedickeanus subsp. macrochele
                                                     [Pediocactus schmiedickeanus var. macrochele]
                                                     [Turbinicarpus macrochele]
                                               Turbinicarpus schmiedickeanus subsp. rioverdensis
                                                     [Pediocactus rioverdensis]
                                                     [Turbinicarpus rioverdensis]
                                               Turbinicarpus schmiedickeanus subsp. rubriflorus
                                                     [Pediocactus schmiedickeanus var. rubriflorus]
                                               Turbinicarpus schmiedickeanus subsp. schmiedickeanus
                                                     [Pediocactus schmiedickeanus]
                                               Turbinicarpus schmiedickeanus subsp. schwarzii
                                                     [Pediocactus schmiedickeanus var. schwarzii]
                                                     [Strombocactus schwarzii]
                                                     [Toumeya macrochele var. schwarzii]
                                                     [Toumeya schwarzii]
                                                     [Turbinicarpus macrochele subsp. schwarzii]
                                                     [Turbinicarpus polaskii]
                                                     [Turbinicarpus schwarzii]
                                               Turbinicarpus schmiedickeanus var. klinkerianus
                                               Turbinicarpus schmiedickeanus var. macrochele
                                               Turbinicarpus schmiedickeanus var. schmiedickeanus
                                               Turbinicarpus schmiedickeanus var. schwarzii
                                             Turbinicarpus subterraneus
                                                   [Pediocactus subterraneus]
                                               Turbinicarpus subterraneus subsp. booleanus
                                               Turbinicarpus subterraneus subsp. subterraneus
                                               Turbinicarpus subterraneus var. subterraneus
                                             Turbinicarpus swobodae
                                                   [Pediocactus swobodae]
                                             Turbinicarpus valdezianus
                                                   [Pediocactus valdezianus]
                                             Turbinicarpus viereckii
                                                   [Pediocactus viereckii]
                                                   [Turbinicarpus viereckii subsp. major]
                                                   [Turbinicarpus viereckii subsp. viereckii]
                                             Turbinicarpus x mombergeri
                                             Turbinicarpus ysabelae
                                             Turbinicarpus zaragozae
                                     Uebelmannia
                                             Uebelmannia buiningii
                                             Uebelmannia gummifera
                                                   [Parodia gummifera]
                                               Uebelmannia gummifera subsp. gummifera
                                               Uebelmannia gummifera subsp. meninensis
                                             Uebelmannia meninensis
                                             Uebelmannia pectinifera
                                                   [Uebelmannia pectinifera var. pseudopectinifera]
                                               Uebelmannia pectinifera subsp. flavispina
                                                     [Uebelmannia flavispina]
                                               Uebelmannia pectinifera subsp. horrida
                                               Uebelmannia pectinifera subsp. pectinifera
                                     Utahia
                                     Weberbauerocereus
                                             Weberbauerocereus albus
                                                   [Haageocereus longicomus]
                                                   [Weberbauerocereus longicomus]
                                             Weberbauerocereus cephalomacrostibas
                                                   [Haageocereus cephalomacrostibas]
                                                   [Trichocereus cephalomacrostibas]
                                             Weberbauerocereus churinensis
                                                   [Haageocereus churinensis]
                                             Weberbauerocereus cuzcoensis
                                                   [Haageocereus cuzcoensis]
                                             Weberbauerocereus johnsonii
                                                   [Haageocereus limensis]
                                             Weberbauerocereus rauhii
                                                   [Haageocereus rauhii]
                                             Weberbauerocereus weberbaueri
                                                   [Haageocereus torataensis]
                                                   [Haageocereus weberbaueri]
                                                   [Weberbauerocereus horridispinus]
                                                   [Weberbauerocereus seyboldianus]
                                                   [Weberbauerocereus torataensis]
                                             Weberbauerocereus winterianus
                                                   [Haageocereus johnsonii]
                                                   [Haageocereus winterianus]
                                     Weberocereus
                                             Weberocereus bradei
                                             Weberocereus frohningiorum
                                             Weberocereus glaber
                                                   [Werckleocereus glaber]
                                               Weberocereus glaber subsp. glaber
                                               Weberocereus glaber subsp. mirandae
                                             Weberocereus imitans
                                                   [Eccremocactus imitans]
                                                   [Werckleocereus imitans]
                                             Weberocereus rosei
                                                   [Eccremocactus rosei]
                                             Weberocereus tonduzii
                                                   [Werckleocereus tonduzii]
                                             Weberocereus trichophorus
                                             Weberocereus tunilla
                                               Weberocereus tunilla subsp. biolleyi
                                                     [Weberocereus biolleyi]
                                                     [Weberocereus panamensis]
                                               Weberocereus tunilla subsp. tunilla
                                                     [Cereus gonzalezii]
                                     Weingartia
                                             Weingartia albissima
                                             Weingartia cintiensis
                                             Weingartia flavissima
                                             Weingartia formosa
                                             Weingartia lecoriensis
                                             Weingartia markusii
                                             Weingartia purpurea
                                             Weingartia torotorensis
                                             Weingartia vilcayensis
                                             Weingartia westii
                                     Werckleocereus
                                     Wigginsia
                                             Wigginsia fricii
                                     Wilcoxia
                                             Wilcoxia mariana
                                     Wittia
                                             Wittia amazonica
                                     Xborzipostoa
                                     Xhaagespostoa
                                     Yavia
                                             Yavia cryptocarpa
                                     Yungasocereus
                                             Yungasocereus inquisivensis
                                     Zygocactus

Problematic Rooting (249982)
                                               Weingartia fidaiana subsp. fidaiana
                                                     [Gymnocalycium westii]

Problematic Rooting (26913)
                                               Coryphantha sneedii var. leei
                                               Coryphantha sneedii var. sneedii

Problematic Rooting (341938)
                                               Ferocactus wislizenii subsp. wislizenii
                                                     [Ferocactus wislizeni var. ajoensis]

Problematic Rooting (69374)
                                               Borzicactus icosagonus subsp. humboldtii