Lassen Volcanic National Park
Authors: Lassen Volcanic NP Resource Management

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Families: 83
Genera: 343
Species: 799
Total Taxa: 829

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Image source: all images linked voucher images only

Dichanthelium acuminatum
Tapered Witch Grass
[POACEAE]
Dichanthelium lanuginosum
Western Witch Grass
Elymus elymoides
Western Bottle-Brush Grass
Elymus glaucus
Blue Wild Rye
Elymus trachycaulus
Slender Wild Rye
Elymus x saundersii
Saunder's wildrye
Festuca brachyphylla
alpine fescue
Festuca idahoensis
Bluebunch Fescue
Festuca occidentalis
Western Fescue
Festuca rubra
Red Fescue
Festuca subulata
Bearded Fescue
Glyceria borealis
Small Floating Manna Grass
Glyceria striata
Fowl Manna Grass
Holcus lanatus
Common Velvet Grass
Hordeum jubatum
Fox-Tail Barley
Lolium perenne
Perennial Rye Grass
Lolium pratense
Meadow Rye Grass
Melica aristata
Bearded Melic Grass
Melica bulbosa
Onion Grass
Melica fugax
Small Melic Grass
Melica stricta
Rock Melic Grass
Melica subulata
Alaska Melic Grass
Muhlenbergia andina
Fox-Tail Muhly
Panicum capillare
Common Panic Grass
Phleum alpinum
Mountain Timothy
Phleum pratense
Common Timothy
Poa annua
Annual Blue Grass
Poa bolanderi
Bolander's Blue Grass
Poa bulbosa
Bulbous Blue Grass
Poa cusickii
Cusick's Blue Grass
Poa cusickii subsp. epilis
Skyline Bluegrass
Poa palustris
Fowl Blue Grass
Poa pratensis
Kentucky Blue Grass
Poa pringlei
Pringle's Blue Grass
Poa wheeleri
Wheeler's Blue Grass
Thinopyrum intermedium
Intermediate Quack Grass
Torreyochloa erecta
Spiked False Manna Grass
Torreyochloa pallida
Pale False Manna Grass
Trisetum canescens
Tall False Oat
Trisetum spicatum
Narrow False Oat
Trisetum wolfii
Wolf's Trisetum
Vulpia microstachys
Small Six-Weeks Grass
Vulpia myuros
Rat-Tail Six-Weeks Grass
Allophyllum integrifolium
White False Gily-Flower
[POLEMONIACEAE]
Collomia grandiflora
Large-Flower Mountain-Trumpet
Collomia larsenii
Talus Mountain-Trumpet
Collomia linearis
Narrow-Leaf Mountain-Trumpet
Collomia tinctoria
Yellow-Staining Mountain-Trumpet
Ipomopsis aggregata
Scarlet Skyrocket
Ipomopsis congesta
Ball-Head Skyrocket
Leptosiphon harknessii
Three-Seed Perennial Gily-Flower
Linanthus pungens
Granite Desert-Trumpets
Navarretia divaricata
Mountain Pincushion-Plant
Navarretia divaricata subsp. divaricata
Mountain Pincushion-Plant
Navarretia intertexta
Needle-Leaf Pincushion-Plant
Navarretia leucocephala
White-Flower Pincushion-Plant
Phlox diffusa
Spreading Phlox
Phlox gracilis
Annual-Phlox
Phlox muscoides
Square-Stem Phlox
Polemonium californicum
Low Jacob's-Ladder
Polemonium pulcherrimum
Beautiful Jacob's-Ladder
Bistorta bistortoides
American Bistort
[POLYGONACEAE]
Eriogonum latens
Inyo Wild Buckwheat
Eriogonum marifolium
Marum-Leaf Wild Buckwheat
Eriogonum nudum
Naked Wild Buckwheat
Eriogonum ochrocephalum
White-Woolly Wild Buckwheat
Eriogonum ovalifolium
Cushion Wild Buckwheat
Eriogonum pyrolifolium
Shasta Wild Buckwheat
Eriogonum rosense
Rosy Wild Buckwheat
Eriogonum spergulinum
Spurry Wild Buckwheat
Eriogonum umbellatum
Sulphur-Flower Wild Buckwheat
Eriogonum ursinum
Bear Valley Wild Buckwheat
Oxyria digyna
Mountain-Sorrel
Persicaria lapathifolia
Dock-Leaf Smartweed
Polygonum amphibium
Water Smartweed
Polygonum arenastrum
oval-leaf knotweed
Polygonum douglasii
Douglas' Knotweed
Polygonum minimum
Zigzag Knotweed
Polygonum polygaloides
White-Margin Knotweed
Polygonum sawatchense
Sawatch Knotweed
Polygonum shastense
Shasta Knotweed
Rumex acetosella
Common Sheep Sorrel
Rumex californicus
California Willow Dock
Rumex crispus
Curly Dock
Rumex occidentalis
Western Dock
Rumex salicifolius
Willow Dock
Potamogeton amplifolius
Large-Leaf Pondweed
[POTAMOGETONACEAE]