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  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Monocots
                [Liliatae]
                [Liliopsida]
                [Monocotyledoneae]
               Commelinids
                    Poales
                            Xyridaceae
                                     Abolboda
                                             Abolboda acaulis
                                             Abolboda acicularis
                                             Abolboda americana
                                             Abolboda ciliata
                                             Abolboda ebracteata
                                               Abolboda ebracteata var. brevifolia
                                             Abolboda egleri
                                             Abolboda grandis
                                               Abolboda grandis var. rigida
                                             Abolboda granularis
                                             Abolboda killipii
                                             Abolboda linearifolia
                                             Abolboda macrostachya
                                                   [Abolboda macrostachya var. angustior]
                                               Abolboda macrostachya var. robustior
                                             Abolboda neblinae
                                             Abolboda poarchon
                                             Abolboda pulchella
                                             Abolboda uniflora
                                     Achlyphila
                                             Achlyphila disticha
                                     Orectanthe
                                             Orectanthe ptaritepuiana
                                                   [Abolboda ptaritepuiana]
                                             Orectanthe sceptrum
                                     Ramotha
                                     Xyris
                                             Xyris aberdarica
                                             Xyris affinis
                                             Xyris albescens
                                             Xyris almae
                                             Xyris ambigua
                                                   [Xyris ambiqua]
                                                   [Xyris rhombipetala]
                                             Xyris anceps
                                                   [Xyris thompsonii]
                                               Xyris anceps var. anceps
                                                     [Xyris compressa]
                                                     [Xyris humilis]
                                                     [Xyris platycaulis]
                                               Xyris anceps var. minima
                                                     [Xyris humilis f. minima]
                                                     [Xyris minima]
                                                     [Xyris perroteti]
                                             Xyris angularis
                                                   [Xyris decipiens var. vanderystii]
                                                   [Xyris vanderystii]
                                             Xyris angustifolia
                                                   [Xyris exigua]
                                             Xyris anisophylla
                                             Xyris apureana
                                             Xyris aquatica
                                             Xyris aracamunae
                                             Xyris arachnoidea
                                             Xyris araracuarae
                                             Xyris archeri
                                             Xyris arenicola
                                             Xyris aristata
                                                   [Xyris dilungensis]
                                                   [Xyris laciniata]
                                                   [Xyris leonensis]
                                                   [Xyris subaristata]
                                             Xyris asperula
                                             Xyris asterotricha
                                             Xyris atrata
                                             Xyris atriceps
                                             Xyris aurea
                                             Xyris bahiana
                                             Xyris baldwiniana
                                                   [Xyris tenuifolia]
                                               Xyris baldwiniana var. tenuifolia
                                             Xyris bampsii
                                             Xyris barteri
                                                   [Xyris ledermannii]
                                             Xyris bayardii
                                             Xyris bialata
                                             Xyris bicarinata
                                             Xyris bicephala
                                             Xyris bicostata
                                             Xyris bissei
                                             Xyris boliviana
                                             Xyris borneensis
                                             Xyris brachyfolia
                                             Xyris brachysepala
                                             Xyris bracteata
                                                   [Xyris gracilis subsp. laxa]
                                             Xyris bracteicaulis
                                             Xyris brevifolia
                                             Xyris bulbosa
                                             Xyris byssacea
                                             Xyris calcicola
                                             Xyris calderonii
                                             Xyris capensis
                                                   [Xyris melanocephala]
                                               Xyris capensis var. capensis
                                                     [Xyris capensis var. angolensis]
                                                     [Xyris capensis var. microcephala]
                                                     [Xyris capensis var. multicaulis]
                                                     [Xyris capensis var. nilagiriensis]
                                                     [Xyris capensis var. schoenoides]
                                                     [Xyris nilagiriensis]
                                                     [Xyris reptans]
                                                     [Xyris schoenoides]
                                                     [Xyris semifuscata]
                                                     [Xyris subrubella]
                                                     [Xyris zombana]
                                               Xyris capensis var. pallescens
                                                     [Xyris capensis f. semifusca]
                                             Xyris capillaris
                                             Xyris capnoides
                                             Xyris carinata
                                             Xyris caroliniana
                                                   [Xyris caroliniana f. flaccida]
                                                   [Xyris caroliniana f. phyllolepis]
                                                   [Xyris caroliniana var. scabra]
                                                   [Xyris conocephala]
                                                   [Xyris graminifolia]
                                                   [Xyris scabra]
                                               Xyris caroliniana var. olneyi
                                             Xyris chapmanii
                                             Xyris cheumatophila
                                             Xyris chimantae
                                             Xyris ciliata
                                             Xyris communis
                                             Xyris complanata
                                                   [Xyris elongata]
                                             Xyris concinna
                                             Xyris confusa
                                             Xyris congdonii
                                             Xyris congensis
                                                   [Xyris bakeri]
                                                   [Xyris baronii]
                                                   [Xyris batokana]
                                                   [Xyris baumii]
                                                   [Xyris extensa]
                                                   [Xyris hildebrandtii var. angustifolia]
                                                   [Xyris hildebrandtii]
                                                   [Xyris leptophylla]
                                                   [Xyris nitida]
                                                   [Xyris umbilonis]
                                             Xyris consolida
                                             Xyris correlliorum
                                             Xyris cryptantha
                                             Xyris culmenicola
                                             Xyris curassavica
                                             Xyris curtissii
                                             Xyris cylindrostachya
                                             Xyris cyperoides
                                             Xyris decipiens
                                             Xyris delicatula
                                             Xyris densa
                                             Xyris diaphanobracteata
                                             Xyris difformis
                                               Xyris difformis var. curtissii
                                               Xyris difformis var. difformis
                                               Xyris difformis var. floridana
                                             Xyris dissimilis
                                             Xyris dissitifolia
                                             Xyris drummondii
                                             Xyris ednae
                                             Xyris ekmanii
                                             Xyris elata
                                             Xyris elegantula
                                             Xyris eleocharoides
                                             Xyris elliottii
                                                   [Xyris elliottii var. stenotera]
                                             Xyris erosa
                                             Xyris erubescens
                                                   [Xyris rhodesiana]
                                                   [Xyris theodori]
                                             Xyris esmeraldae
                                             Xyris fallax
                                             Xyris ferreirae
                                             Xyris festucifolia
                                             Xyris fibrosa
                                             Xyris filifolia
                                             Xyris filiformis
                                             Xyris fimbriata
                                             Xyris flabelliformis
                                             Xyris flexuosa
                                             Xyris floridana
                                             Xyris foliolata
                                             Xyris frequens
                                             Xyris friesii
                                                   [Xyris pocockii]
                                             Xyris frondosa
                                             Xyris fugaciflora
                                             Xyris fuliginea
                                             Xyris gerrardii
                                             Xyris glandacea
                                             Xyris globosa
                                             Xyris glochidiata
                                             Xyris gongylospica
                                             Xyris gossweileri
                                             Xyris goyazensis
                                             Xyris gracilis
                                             Xyris grandiceps
                                                   [Xyris falx]
                                             Xyris graniticola
                                             Xyris grisebachii
                                             Xyris guaranitica
                                             Xyris guianensis
                                             Xyris guillenii
                                             Xyris harleyi
                                             Xyris huberi
                                                   [Xyris foveolata]
                                             Xyris huillensis
                                                   [Xyris capensis var. medullosa]
                                             Xyris humpatensis
                                             Xyris hymenachne
                                             Xyris imitatrix
                                             Xyris indica
                                                   [Xyris robusta]
                                             Xyris insignis
                                             Xyris involucrata
                                             Xyris iridifolia
                                             Xyris isoetifolia
                                             Xyris itambensis
                                             Xyris jataiana
                                             Xyris juncea
                                             Xyris juncifolia
                                             Xyris jupicai
                                                   [Xyris gymnoptera]
                                                   [Xyris jupicai var. brachylepis]
                                                   [Xyris partita]
                                             Xyris kibaraensis
                                             Xyris kornasiana
                                             Xyris kukenaniana
                                             Xyris kundelungensis
                                             Xyris kwangolana
                                             Xyris lacerata
                                             Xyris laniceps
                                             Xyris lanuginosa
                                             Xyris lanulobractea
                                             Xyris laxiflora
                                             Xyris laxifolia
                                               Xyris laxifolia var. iridifolia
                                               Xyris laxifolia var. laxifolia
                                             Xyris lejolyana
                                             Xyris liesneri
                                             Xyris lithophila
                                             Xyris lomatophylla
                                             Xyris longibracteata
                                             Xyris longiscapa
                                             Xyris longisepala
                                             Xyris louisianica
                                             Xyris lucida
                                             Xyris lugubris
                                             Xyris lutescens
                                             Xyris machrisiana
                                             Xyris macrocephala
                                             Xyris makuensis
                                             Xyris mallocephala
                                             Xyris malmeana
                                             Xyris mantuensis
                                             Xyris melanovaginata
                                             Xyris mello-barretoi
                                             Xyris membranibracteata
                                             Xyris mentiens
                                             Xyris mertensiana
                                             Xyris metallica
                                             Xyris mexiae
                                             Xyris mexicana
                                             Xyris mima
                                             Xyris minarum
                                             Xyris montana
                                                   [Xyris papillosa var. exserta]
                                             Xyris moraesii
                                             Xyris morii
                                             Xyris mucujensis
                                             Xyris natalensis
                                             Xyris navicularis
                                                   [Xyris subnavicularis]
                                             Xyris neblinae
                                             Xyris neglecta
                                             Xyris nigrescens
                                             Xyris nilssonii
                                             Xyris nivea
                                             Xyris obcordata
                                             Xyris obscura
                                                   [Xyris brunnea]
                                             Xyris obtusiuscula
                                             Xyris operculata
                                             Xyris ornithoptera
                                             Xyris oxylepis
                                                   [Xyris fusiformis]
                                             Xyris paleacea
                                             Xyris pallescens
                                             Xyris pallidula
                                             Xyris panacea
                                             Xyris papillosa
                                             Xyris paradisiaca
                                             Xyris paraensis
                                             Xyris parvula
                                             Xyris pauciflora
                                             Xyris pectinata
                                             Xyris peteri
                                             Xyris phaeocephala
                                             Xyris picea
                                             Xyris pilosa
                                             Xyris piraquarae
                                             Xyris platylepis
                                             Xyris platystachya
                                             Xyris popeana
                                             Xyris porcata
                                             Xyris porphyrea
                                             Xyris pranceana
                                             Xyris pratensis
                                             Xyris prolificans
                                             Xyris ptariana
                                             Xyris pterygoblephara
                                               Xyris pterygoblephara var. pterygoblephara
                                                     [Xyris peregrina]
                                             Xyris pumila
                                             Xyris ramboi
                                             Xyris regnellii
                                             Xyris rehmannii
                                                   [Xyris dispar]
                                                   [Xyris rigidescens]
                                             Xyris reitzii
                                             Xyris retrorsifimbriata
                                             Xyris rhodolepis
                                                   [Xyris humpatensis var. rhodolepis]
                                             Xyris rigida
                                             Xyris riparia
                                             Xyris roraimae
                                             Xyris rubella
                                             Xyris rubrolimbata
                                             Xyris rubromarginata
                                             Xyris rupicola
                                             Xyris sanguinea
                                             Xyris savanensis
                                             Xyris scabridula
                                             Xyris scabrifolia
                                             Xyris sceptrifera
                                             Xyris schizachne
                                             Xyris schliebenii
                                             Xyris schneeana
                                             Xyris serotina
                                                   [Xyris fascicularis]
                                             Xyris setigera
                                             Xyris seubertiana
                                             Xyris seubertii
                                               Xyris seubertii var. espinhacae
                                             Xyris sincorana
                                             Xyris smalliana
                                               Xyris smalliana var. olneyi
                                             Xyris sparsifolia
                                             Xyris spathacea
                                             Xyris spathifolia
                                             Xyris spectabilis
                                             Xyris sphaerocephala
                                             Xyris spinulosa
                                             Xyris spruceana
                                             Xyris stenocephala
                                             Xyris stenophylla
                                             Xyris stenophylloides
                                             Xyris stenostachya
                                             Xyris straminea
                                                   [Xyris multicaulis]
                                             Xyris stricta
                                               Xyris stricta var. obscura
                                               Xyris stricta var. stricta
                                             Xyris subalata
                                             Xyris subasperula
                                             Xyris subglabrata
                                             Xyris subsetigera
                                             Xyris subtilis
                                             Xyris subulata
                                               Xyris subulata var. subulata
                                             Xyris subuniflora
                                             Xyris surinamensis
                                             Xyris symoensii
                                             Xyris teinosperma
                                             Xyris tenella
                                             Xyris tennesseensis
                                             Xyris teres
                                             Xyris terrestris
                                             Xyris thysanolepis
                                             Xyris toronoana
                                             Xyris torta
                                               Xyris torta var. macropoda
                                               Xyris torta var. occidentalis
                                             Xyris tortula
                                                   [Xyris simulans]
                                             Xyris trachyphylla
                                             Xyris trachysperma
                                             Xyris trichophylla
                                             Xyris tristis
                                             Xyris uleana
                                               Xyris uleana var. uleana
                                             Xyris uninervis
                                             Xyris unistriata
                                             Xyris vacillans
                                             Xyris valdeapiculata
                                             Xyris valida
                                             Xyris veruina
                                             Xyris vestita
                                             Xyris villosicarinata
                                             Xyris welwitschii
                                             Xyris witsenioides
                                             Xyris wurdackii
                                             Xyris xiphophylla
                                               Xyris subulata var. acutifolia
                                                     [Xyris weberi]