Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Updated On

Poaceae

Thinopyrum intermedium (Host) Barkworth & D.R. Dewey[HC2]

intermediate wheatgrass

last updated 1/6/2024

Poaceae

Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood[HC2]

poverty dropseed

last updated 1/6/2024

Poaceae

Sporobolus compositus (Poir.) Merr. var. compositus[FNA25, HC2]

rough dropseed

last updated 1/6/2024

Poaceae

Sporobolus compositus (Poir.) Merr.[HC2]

composite dropseed, tall dropseed

last updated 1/6/2024

Poaceae

Sporobolus neglectus Nash[FNA25, HC, HC2]

small dropseed

last updated 1/6/2024

Poaceae

Trisetum flavescens (L.) P. Beauv.[FNA24, HC, HC2]

yellow false oat

last updated 1/6/2024

Poaceae

Trisetum cernuum Trin.[FNA24, HC, HC2]

nodding trisetum

last updated 1/6/2024

Poaceae

Trisetum canescens Buckley[FNA24, HC, HC2]

tall false oat

last updated 1/6/2024

Poaceae

Trisetum spicatum (L.) K. Richt.[FNA24, HC, HC2]

narrow false oat, spike trisetum

last updated 1/6/2024

Poaceae

Taeniatherum caput-medusae (L.) Nevski[FNA24, HC2]

medusa-head

last updated 1/6/2024

Poaceae

Sphenopholis intermedia (Rydb.) Rydb.[FNA24, HC2]

slender wedgescale

last updated 1/6/2024

Poaceae

Sphenopholis obtusata (Michx.) Scribn.[FNA24, HC, HC2]

prairie wedgescale

last updated 1/6/2024

Poaceae

Spartina ×townsendii H. Groves & J. Groves[FNA25, HC, HC2]

Townsend's cordgrass

last updated 1/6/2024

Poaceae

Spartina pectinata Link[FNA25, HC, HC2]

freshwater cordgrass, prairie cordgrass

last updated 1/6/2024

Poaceae

Spartina patens (Aiton) Muhl.[FNA25, HC2]

saltmeadow cordgrass

last updated 1/6/2024

Poaceae

Spartina gracilis Trin.[FNA25, HC, HC2]

alkali cordgrass

last updated 1/6/2024

Poaceae

Spartina densiflora Brongn.[FNA25, HC2]

Chilean cordgrass

last updated 1/6/2024

Poaceae

Spartina anglica C.E. Hubb.[FNA25, HC2]

English cordgrass

last updated 1/6/2024

Poaceae

Spartina alterniflora Loisel.[FNA25, HC, HC2]

saltwater cordgrass, smooth cordgrass

last updated 1/6/2024

Poaceae

Sorghum halepense (L.) Pers.[FNA25, HC, HC2]

Johnson grass, Johnsongrass

last updated 1/6/2024

Poaceae

Sorghum bicolor (L.) Moench[FNA25, HC2]

sorghum

last updated 1/6/2024

Poaceae

Setaria viridis (L.) P. Beauv. var. viridis[FNA25, HC2]

green bristlegrass, green foxtail

last updated 1/6/2024

Poaceae

Setaria viridis (L.) P. Beauv.[HC, HC2]

green bristlegrass, green foxtail

last updated 1/6/2024

Poaceae

Setaria verticillata (L.) P. Beauv.[FNA25, HC, HC2]

hooked bristlegrass, rough bristlegrass

last updated 1/4/2024

Poaceae

Setaria pumila (Poir.) Roem. & Schult. ssp. pumila[FNA25, HC2]

yellow foxtail

last updated 1/4/2024

Poaceae

Setaria pumila (Poir.) Roem. & Schult. ssp. pallide-fusca (Schumach.) B.K. Simon[HC2]

cattail grass

last updated 1/4/2024

Poaceae

Setaria pumila (Poir.) Roem. & Schult.[HC2]

yellow bristlegrass, yellow foxtail

last updated 1/4/2024

Ranunculaceae

Aquilegia ×miniana (J.F.Macbr. & Payson) Cronk

hybrid columbine

last updated 1/4/2024

Brassicaceae

Boechera lyallii (S. Watson) Dorn[FNA7, HC2]

Lyall's rockcress, murry's rockcress

last updated 1/4/2024

Poaceae

Setaria italica (L.) P. Beauv.[FNA25, HC, HC2]

Italian bristlegrass, foxtail millet

last updated 1/4/2024

Poaceae

Setaria faberi R.A.W. Herrm.[FNA25, HC2]

Chinese foxtail

last updated 1/4/2024

Poaceae

Sasa palmata (hort. ex Burb.) E.G. Camus

broadleaf bamboo

last updated 1/4/2024

Poaceae

Secale strictum (C. Presl) C. Presl[HC2]

narrow rye

last updated 1/4/2024

Poaceae

Secale cereale L.[FNA24, HC, HC2]

cultivated rye

last updated 1/3/2024

Asteraceae

Solidago simplex Kunth[FNA20, HC2]

sticky goldenrod

last updated 1/3/2024

Poaceae

Sclerochloa dura (L.) P. Beauv.[FNA24, HC, HC2]

common hardgrass

last updated 1/2/2024

Poaceae

Schizachyrium scoparium (Michx.) Nash var. scoparium[FNA25, HC2]

broom beardgras, broom bluestem, little bluestem

last updated 1/2/2024

Poaceae

Schizachyrium scoparium (Michx.) Nash[HC2]

broom bluestem, little bluestem

last updated 1/2/2024

Poaceae

Scribneria bolanderi (Thurb.) Hack.[FNA24, HC, HC2]

Scribner's grass

last updated 1/2/2024

Poaceae

Podagrostis aequivalvis (Trin.) Scribn. & Merr.[FNA24, HC2]

Alaska bent, arctic bent

last updated 1/2/2024

Poaceae

Melica aristata Thurb. ex Bol.[FNA24, HC, HC2]

bearded melic grass

last updated 1/2/2024

Poaceae

Triticum aestivum L.[FNA24, HC, HC2]

bread wheat

last updated 1/1/2024

Poaceae

Vahlodea atropurpurea (Wahlenb.) Fr. ex Hartm.[FNA24, HC2]

mountain hairgrass

last updated 1/1/2024

Poaceae

Ventenata dubia (Leers) Coss.[FNA24, HC, HC2]

ventenata

last updated 1/1/2024

Poaceae

Vulpia bromoides (L.) Gray[FNA24, HC2]

brome fescue

last updated 1/1/2024

Poaceae

Vulpia microstachys (Nutt.) Munro[FNA24, HC2]

small fescue

last updated 1/1/2024

Poaceae

Schedonorus arundinaceus (Schreb.) Dumort.[FNA24, HC2]

tall fescue, tall rye grass

last updated 1/1/2024

Poaceae

Schedonorus pratensis (Huds.) P. Beauv.[FNA24, HC2]

meadow fescue, meadow rye grass

last updated 1/1/2024

Poaceae

Redfieldia flexuosa (Thurb. ex A. Gray) Vasey[FNA25, HC2]

blowout grass

last updated 1/1/2024

Poaceae

Puccinellia pumila (Vasey) Hitchc.[FNA24, HC, HC2]

small alkaligrass

last updated 1/1/2024

Poaceae

Puccinellia nutkaensis (J. Presl) Fernald & Weath.[FNA24, HC, HC2]

Nootka alkaligrass, shining alkaligrass

last updated 1/1/2024

Poaceae

Puccinellia maritima (Huds.) Parl.[HC, HC2]

coast alkaligrass

last updated 1/1/2024

Poaceae

Puccinellia distans (Jacq.) Parl.[FNA24, HC, HC2]

European alkaligrass, weeping alkaligrass

last updated 1/1/2024

Poaceae

Psathyrostachys juncea (Fisch.) Nevski[FNA24, HC2]

Russian wild-rye

last updated 1/1/2024

Poaceae

Polypogon maritimus Willd.

Mediterranean rabbit's-foot grass

last updated 12/31/2023

Poaceae

Polypogon viridis (Gouan) Breistr.[FNA24, HC2]

beardless rabbit's-foot grass

last updated 12/31/2023

Poaceae

Polypogon monspeliensis (L.) Desf.[FNA, HC, HC2]

annual rabbit's-foot grass

last updated 12/31/2023

Poaceae

Polypogon interruptus Kunth[FNA24, HC, HC2]

ditch rabbit's-foot grass

last updated 12/31/2023

Poaceae

Polypogon fugax Nees ex Steud.[HC2]

Asia Minor bluegrass

last updated 12/31/2023

Poaceae

Zea mays L. ssp. mays[FNA24, HC2]

corn, Indian corn, maize

last updated 12/31/2023

Poaceae

Zea mays L.[HC2]

corn

last updated 12/31/2023

Poaceae

Scleropoa rigida (L.) Griseb.[HC, HC2]

fern grass

last updated 12/31/2023

Poaceae

Polypogon australis Brongn.[FNA24, HC, HC2]

Chilean rabbit's-foot grass

last updated 12/31/2023

Poaceae

Podagrostis thurberiana (Hitchc.) Hultén[FNA24, HC2]

Thurber's bent

last updated 12/31/2023

Poaceae

Podagrostis humilis (Vasey) Björkman[FNA24, HC2]

alpine bent, mountain bent

last updated 12/31/2023

Poaceae

Pleuropogon refractus (A. Gray) Benth. ex Vasey[FNA24, HC, HC2]

nodding semaphore grass

last updated 12/30/2023

Poaceae

Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & Soreng[HC2]

little mountain-ricegrass

last updated 12/30/2023

Poaceae

Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonst., P.M. Peterson, & Soreng[FNA25, HC2]

common reed

last updated 12/30/2023

Poaceae

Phragmites australis (Cav.) Trin. ex Steud. ssp. australis[FNA25, HC2]

common reed

last updated 12/30/2023

Poaceae

Phragmites australis (Cav.) Trin. ex Steud.[HC2]

common reed

last updated 12/30/2023

Poaceae

Phleum pratense L. ssp. pratense[FNA24, HC2]

common timothy

last updated 12/28/2023

Poaceae

Phleum pratense L.[HC, HC2]

timothy

last updated 12/28/2023

Poaceae

Phleum alpinum L.[FNA24, HC, HC2]

mountain timothy

last updated 12/28/2023

Hydrophyllaceae

Phacelia heterophylla Pursh[HC, HC2]

varileaf phacelia, virgate phacelia

last updated 12/28/2023

Poaceae

Phalaris paradoxa L.[FNA24, HC, HC2]

Mediterranean canary grass

last updated 12/27/2023

Poaceae

Phalaris canariensis L.[FNA24, HC, HC2]

common canary grass

last updated 12/27/2023

Poaceae

Pennisetum setaceum (Forssk.) Chiov.[FNA25]

tender fountaingrass

last updated 12/27/2023

Poaceae

Paspalum distichum L.[FNA25, HC, HC2]

knotgrass, Thompsongrass

last updated 12/27/2023

Poaceae

Pascopyrum smithii (Rydb.) Barkworth & D.R. Dewey[FNA24, HC2]

western wheatgrass

last updated 12/27/2023

Poaceae

Parapholis incurva (L.) C.E. Hubb.[HC, HC2]

sicklegrass

last updated 12/27/2023

Poaceae

Panicum miliaceum L. ssp. ruderale (Kitag.) Tzvelev[FNA24, HC2]

broomcorn, hog millet, panic millet

last updated 12/26/2023

Poaceae

Panicum miliaceum L. ssp. miliaceum[FNA24, HC2]

broomcorn, hog millet, panic millet, proso millet

last updated 12/26/2023

Poaceae

Panicum miliaceum L.[HC, HC2]

millet

last updated 12/26/2023

Poaceae

Poa annua L.[FNA24, HC, HC2]

annual bluegrass

last updated 12/26/2023

Poaceae

Poa laxiflora Buckley[FNA24, HC, HC2]

loose-flower bluegrass

last updated 12/26/2023

Poaceae

Panicum dichotomiflorum Michx. ssp. dichotomiflorum[FNA24, HC2]

fall panicum, western witchgrass

last updated 12/25/2023

Poaceae

Panicum dichotomiflorum Michx.[HC, HC2]

fall panicum

last updated 12/25/2023

Saxifragaceae

Brewerimitella ovalis (Greene) R.A.Folk & Y.Okuyama[WTU]

coastal bishop's-cap, coastal mitrewort

last updated 12/24/2023

Saxifragaceae

Brewerimitella breweri (A.Gray) R.A.Folk & Y.Okuyama[WTU]

feathery bishop's-cap, Brewer's mitrewort

last updated 12/24/2023

Lamiaceae

Salvia yangii B.T. Drew[WTU]

Russian sage

last updated 12/24/2023

Violaceae

Viola arvensis Murray[HC, HC2]

European field pansy

last updated 12/24/2023

Plantaginaceae

Veronica dissecta (Rydb.) M.M.Mart.Ort. & Albach ssp. lanuginosa (Piper) M.M.Mart.Ort. & Albach[WTU]

cut-leaf kittentails

last updated 12/24/2023

Violaceae

Viola orbiculata Geyer ex Holz.[HC, HC2]

darkwoods violet, evergreen yellow violet, round-leaved violet

last updated 12/24/2023

Poaceae

Panicum capillare L. ssp. capillare[FNA24, HC2]

common panicgrass, witchgrass

last updated 12/24/2023

Poaceae

Panicum capillare L.[HC, HC2]

witchgrass

last updated 12/24/2023

Poaceae

Oryzopsis asperifolia Michx.[FNA24, HC, HC2]

white-grain mountain ricegrass

last updated 12/24/2023

Poaceae

Muhlenbergia richardsonis (Trin.) Rydb.[FNA24, HC, HC2]

matted muhly

last updated 12/24/2023

Poaceae

Muhlenbergia minutissima (Steud.) Swallen[FNA24, HC, HC2]

annual muhly, least muhly

last updated 12/24/2023

Poaceae

Muhlenbergia mexicana (L.) Trin.[HC, HC2, JPM2]

wirestem muhly

last updated 12/24/2023

Poaceae

Muhlenbergia glomerata (Willd.) Trin.[FNA24, HC, HC2]

spiked muhly

last updated 12/24/2023