Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Updated On

Poaceae

Cortaderia jubata (Lemoine) Stapf[FNA25, HC2]

purple pampas grass

last updated 11/30/2023

Poaceae

Coleanthus subtilis (Tratt.) Seidl[FNA24, HC, HC2]

moss grass

last updated 11/30/2023

Poaceae

Cinna latifolia (Trevir. ex Göpp.) Griseb.[FNA24, HC, HC2]

slender wood-reed

last updated 11/30/2023

Poaceae

Cenchrus longispinus (Hack.) Fernald[FNA25, HC, HC2]

longspine sandbur, mat sandbur

last updated 11/30/2023

Poaceae

Calamovilfa longifolia (Hook.) Hack. ex Scribn. & Southw. var. longifolia[FNA24, HC2]

prairie sandgrass, prairie sandreed

last updated 11/30/2023

Poaceae

Calamovilfa longifolia (Hook.) Hack. ex Scribn. & Southw.[HC, HC2]

prairie sandreed

last updated 11/30/2023

Poaceae

Calamovilfa gigantea (Nutt.) Scribn. & Merr.[HC2]

sandreed

last updated 11/30/2023

Poaceae

Agropyron cristatum (L.) Gaertn.[FNA24, HC, HC2]

crested wheatgrass

last updated 11/30/2023

Poaceae

Bromus rubens L.[FNA24, HC, HC2]

fox-tail brome

last updated 11/30/2023

Poaceae

Calamagrostis tacomensis K. Marr & Hebda[FNA24, HC2]

Rainier reedgrass

last updated 11/29/2023

Poaceae

Calamagrostis rubescens Buckley[FNA24, HC, HC2]

pinegrass

last updated 11/29/2023

Poaceae

Calamagrostis purpurascens R. Br.[FNA24, HC, HC2]

purple reedgrass

last updated 11/29/2023

Poaceae

Calamagrostis nutkaensis (J. Presl) Steud.[FNA24, HC, HC2]

Nootka reedgrass

last updated 11/29/2023

Poaceae

Calamagrostis howellii Vasey[FNA24, HC, HC2]

Howell's reedgrass

last updated 11/29/2023

Poaceae

Calamagrostis canadensis (Michx.) P. Beauv. var. langsdorffii (Link) Inman[HC2]

Langsdorff's jointed reedgrass

last updated 11/29/2023

Hypericaceae

Hypericum androsaemum L.[HC2, IFBC]

tutsan

last updated 11/29/2023

Poaceae

Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis[FNA24, HC, HC2]

bluejoint reedgrass

last updated 11/28/2023

Poaceae

Calamagrostis canadensis (Michx.) P. Beauv.[HC, HC2]

bluejoint reedgrass

last updated 11/28/2023

Poaceae

Coix lacryma-jobi L.[FNA25]

Job's-tears

last updated 11/26/2023

Poaceae

Bromus suksdorfii Vasey[FNA24, HC, HC2]

Suksdorf's brome

last updated 11/26/2023

Poaceae

Bromus sterilis L.[FNA24, HC, HC2]

poverty brome

last updated 11/26/2023

Poaceae

Bromus sitchensis Trin. var. aleutensis (Trin. ex Griseb.) Hultén[HC, HC2]

Aleut brome

last updated 11/26/2023

Poaceae

Bromus sitchensis Trin. var. polyanthus (Scribn. ex Shear) R.E. Brainerd & Otting[HC2]

smooth brome

last updated 11/26/2023

Poaceae

Bromus sitchensis Trin. var. marginatus (Nees ex Steud.) B. Boivin[HC2]

large mountain brome

last updated 11/26/2023

Poaceae

Bromus sitchensis Trin. var. carinatus (Hook. & Arn.) R.E. Brainerd & Otting[HC, HC2]

California brome

last updated 11/26/2023

Poaceae

Bromus secalinus L.[FNA24, HC, HC2]

rye brome

last updated 11/25/2023

Poaceae

Bromus racemosus L.[FNA24, HC2]

bald brome

last updated 11/25/2023

Poaceae

Bromus pumpellianus Scribn. ssp. pumpellianus[FNA24, HC2]

arctic brome

last updated 11/25/2023

Poaceae

Bromus pumpellianus Scribn.[HC2]

arctic brome

last updated 11/25/2023

Poaceae

Bromus pacificus Shear[FNA24, HC, HC2]

Pacific brome

last updated 11/25/2023

Poaceae

Bromus japonicus Thunb. ex Murray[FNA24, HC, HC2]

Japanese brome

last updated 11/25/2023

Poaceae

Bromus hordeaceus L.[HC2]

soft chess

last updated 11/25/2023

Poaceae

Bromus diandrus Roth[FNA24, HC2]

great brome, ripgut brome, ripgut grass

last updated 11/24/2023

Poaceae

Bromus commutatus Schrad.[FNA24, HC, HC2]

meadow brome

last updated 11/24/2023

Poaceae

Bromus ciliatus L.[FNA24, HC, HC2]

fringed brome

last updated 11/24/2023

Poaceae

Bromus arenarius Labill.[FNA24, HC]

Australian brome

last updated 11/24/2023

Poaceae

Briza minor L.[FNA24, HC, HC2]

little quaking grass

last updated 11/24/2023

Poaceae

Briza maxima L.[FNA24, HC2]

big quakinggrass

last updated 11/24/2023

Poaceae

Brachypodium sylvaticum (Huds.) P. Beauv. ssp. sylvaticum

false brome

last updated 11/24/2023

Poaceae

Brachypodium sylvaticum (Huds.) P. Beauv.[FNA, HC, HC2]

false brome

last updated 11/24/2023

Poaceae

Beckmannia syzigachne (Steud.) Fernald[FNA24, HC, HC2]

American sloughgrass

last updated 11/24/2023

Poaceae

Avena sativa L.[FNA24, HC, HC2]

cultivated oats

last updated 11/24/2023

Poaceae

Avena fatua L.[FNA24, HC, HC2]

wild oats

last updated 11/24/2023

Poaceae

Avena barbata Pott ex Link[FNA24, HC, HC2]

barbed oats

last updated 11/24/2023

Poaceae

Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl[HC, HC2]

bulbous oatgrass

last updated 11/23/2023

Poaceae

Apera interrupta (L.) P. Beauv.[FNA24, HC2]

dense silky-bent

last updated 11/23/2023

Poaceae

Anthoxanthum aristatum Boiss. ssp. aristatum[FNA24, HC2]

small sweet vernal grass

last updated 11/23/2023

Poaceae

Anthoxanthum aristatum Boiss.[HC, HC2]

annual vernalgrass

last updated 11/23/2023

Poaceae

Ammophila breviligulata Fernald ssp. breviligulata[FNA24, HC2]

American beachgrass

last updated 11/23/2023

Poaceae

Ammophila breviligulata Fernald[HC2]

American beachgrass

last updated 11/23/2023

Poaceae

Ammophila arenaria (L.) Link ssp. arenaria[FNA24, HC2]

European beachgrass

last updated 11/23/2023

Poaceae

Ammophila arenaria (L.) Link[HC, HC2]

European beachgrass

last updated 11/23/2023

Poaceae

Alopecurus pratensis L.[FNA24, HC, HC2]

field meadow-foxtail

last updated 11/23/2023

Poaceae

Alopecurus myosuroides Huds.[FNA24, HC, HC2]

slender meadow-foxtail

last updated 11/23/2023

Poaceae

Alopecurus geniculatus L.[FNA24, HC, HC2]

water foxtail

last updated 11/23/2023

Poaceae

Aira praecox L.[FNA24, HC, HC2]

early silver hairgrass

last updated 11/23/2023

Poaceae

Agrostis ×murbeckii Fouill. ex P. Fourn.

last updated 11/23/2023

Poaceae

Agrostis microphylla Steud.[FNA24, HC, HC2]

small-leaf bentgrass

last updated 11/23/2023

Poaceae

Agrostis mertensii Trin.[FNA24, HC2]

Merten's bentgrass, northern bentgrass

last updated 11/23/2023

Poaceae

Agrostis castellana Boiss. & Reut.[FNA24, HC2]

Highland bentgrass, dryland browntop

last updated 11/22/2023

Poaceae

Agrostis capillaris L.[FNA24, HC2]

colonial bentgrass

last updated 11/22/2023

Poaceae

Agropyron fragile (Roth) P. Candargy[HC2]

Siberian wheatgrass

last updated 11/22/2023

Orobanchaceae

Pedicularis bracteosa Benth. var. flavida (Pennell) Cronquist[HC, HC2]

bracted lousewort

last updated 11/21/2023

Montiaceae

Claytonia megarhiza (A. Gray) Parry ex S. Watson[FNA4, HC, HC2]

alpine springbeauty

last updated 11/21/2023

Poaceae

×Agropogon lutosus (Poir.) P. Fourn.[FNA24]

perennial beardgrass

last updated 11/20/2023

Poaceae

Achnatherum thurberianum (Piper) Barkworth[FNA24, HC2]

Thurber's ricegrass

last updated 11/20/2023

Poaceae

Achnatherum richardsonii (Link) Barkworth[FNA24, HC2]

Richardson's ricegrass

last updated 11/20/2023

Poaceae

Achnatherum occidentale (Thurb. ex S. Watson) Barkworth[HC2]

western needlegrass

last updated 11/20/2023

Poaceae

Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii[HC2]

Nelson's needlegrass

last updated 11/19/2023

Poaceae

Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & J. Maze) Barkworth[FNA24, HC2]

Nelson's needlegrass

last updated 11/19/2023

Cyperaceae

Rhynchospora alba (L.) Vahl[FNA23, HC, HC2]

white beakrush

last updated 11/19/2023

Cyperaceae

Kobresia myosuroides (Vill.) Fiori[FNA23, HC, HC2]

Bellard's kobresia, Pacific bog sedge

last updated 11/19/2023

Cyperaceae

Scirpus pallidus (Britton) Fernald[FNA23, HC, HC2]

pale bulrush

last updated 11/19/2023

Cyperaceae

Scirpus cyperinus (L.) Kunth[FNA23, HC, HC2]

cotton-grass bulrush

last updated 11/19/2023

Cyperaceae

Eriophorum viridicarinatum (Engelm.) Fernald[FNA23, HC, HC2]

tassel cotton-grass

last updated 11/19/2023

Cyperaceae

Eriophorum virginicum L.[FNA23, HC2]

tawny cotton-grass

last updated 11/19/2023

Cyperaceae

Eriophorum gracile W.D.J. Koch ex Roth[FNA23, HC, HC2]

slender cotton-grass

last updated 11/19/2023

Cyperaceae

Eriophorum angustifolium Honck.[FNA23, HC2]

many-spiked bog cotton, many-spiked cotton-grass

last updated 11/18/2023

Cyperaceae

Eleocharis uniglumis (Link) Schult.[FNA23, HC2]

slender spike-rush

last updated 11/18/2023

Cyperaceae

Eleocharis uniglumis (Link) Schult.[FNA23, HC2]

slender spike-rush

last updated 11/18/2023

Cyperaceae

Eleocharis suksdorfiana Beauverd[FNA23, HC2]

Suksdorf spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis rostellata (Torr.) Torr.[FNA23, HC, HC2]

walking sedge, beaked spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis quinqueflora (Hartm.) O. Schwarz[FNA23, HC2]

few-flowered spike-rush

last updated 11/18/2023

Cyperaceae

Eleocharis parvula (Roem. & Schultes) Link ex Bluff Nees, & Schauer[FNA23, HC, HC2]

little-head spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis ovata (Roth) Roem. & Schult.[FNA23, HC, HC2]

ovoid spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis obtusa (Willd.) Schult.[FNA23, HC2]

blunt spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis mamillata (H. Lind.) H. Lind. ssp. mamillata[FNA23, HC2]

soft-stemmed spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis mamillata (H. Lind.) H. Lind.[FNA23, HC2]

soft-stem spike-rush

last updated 11/18/2023

Cyperaceae

Eleocharis macrostachya Britton[FNA23, HC2]

creeping spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis erythropoda Steud.[FNA23, HC2]

bald spike-rush, redfoot spike-rush

last updated 11/18/2023

Cyperaceae

Eleocharis engelmannii Steud.[FNA23, HC2]

Engelman spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis bella (Piper) Svenson[FNA23, HC, HC2]

pretty spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis acicularis (L.) Roem. & Schult.[FNA23, HC, HC2]

needle spikerush

last updated 11/18/2023

Cyperaceae

Eleocharis coloradoensis (Britton) Gilly[FNA23, HC2]

dwarf spike-rush

last updated 11/18/2023

Poaceae

Poa suksdorfii (Beal) Vasey ex Piper[FNA24, HC, HC2]

Suksdorf's bluegrass, western bluegrass

last updated 11/18/2023

Aspleniaceae

Aspleniaceae [FNA2, HC2]

Spleenwort Family

last updated 11/16/2023

Betulaceae

Betulaceae [FNA3, HC, HC2]

Birch Family

last updated 11/16/2023

Brassicaceae

Cochlearia groenlandica L.[FNA7, HC2]

Danish scurvy-grass, spoonwort

last updated 11/16/2023

Ericaceae

Vaccinium corymbosum L.[FNA8, HC2]

high-bush blueberry

last updated 11/16/2023

Cyperaceae

Lipocarpha occidentalis (A. Gray) G.C. Tucker[FNA23, HC2]

western halfchaff sedge

last updated 11/16/2023