Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

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

Poaceae

Muhlenbergia filiformis (Thurb. ex S. Watson) Rydb.[FNA25, HC, HC2]

pullup muhly

last updated 12/24/2023

Poaceae

Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi[FNA25, HC, HC2]

alkali muhly, scratchgrass

last updated 12/24/2023

Poaceae

Muhlenbergia andina (Nutt.) Hitchc.[FNA25, HC, HC2]

foxtail muhly

last updated 12/24/2023

Poaceae

Miscanthus sinensis Andersson[HC2]

Chinese silvergrass

last updated 12/24/2023

Poaceae

Melica subulata (Griseb.) Scribn.[FNA24, HC, HC2]

Alaska oniongrass

last updated 12/24/2023

Poaceae

Melica spectabilis Scribn.[FNA24, HC, HC2]

showy melic grass

last updated 12/24/2023

Poaceae

Melica harfordii Bol.[FNA24, HC, HC2]

Harford's melic grass

last updated 12/24/2023

Poaceae

Melica fugax Bol.[FNA24, HC, HC2]

small melic grass

last updated 12/24/2023

Poaceae

Melica ciliata L. ssp. taurica (K. Koch) Tzvelev[HC2]

last updated 12/23/2023

Poaceae

Melica ciliata L.[HC2]

silky melic

last updated 12/23/2023

Poaceae

Melica bulbosa Geyer ex Porter & J.M. Coult.[FNA24, HC, HC2]

bulbous onion grass, bulbous oniongrass

last updated 12/23/2023

Poaceae

Lolium temulentum L. ssp. temulentum[FNA24, HC2]

darnel

last updated 12/23/2023

Poaceae

Lolium temulentum L.[HC, HC2]

darnel, tare

last updated 12/23/2023

Poaceae

Lolium perenne L.[FNA24, HC, HC2]

English ryegrass, perennial ryegrass

last updated 12/23/2023

Poaceae

Lolium multiflorum Lam.[FNA24, HC, HC2]

annual ryegrass, Italian ryegrass, perennial ryegrass

last updated 12/23/2023

Poaceae

Leymus ×vancouverensis (Vasey) Pilg.[FNA24, HC2]

Vancouver wildrye

last updated 12/23/2023

Poaceae

Leymus mollis (Trin.) Pilg. ssp. mollis[FNA24, HC2]

yellow ryegrass

last updated 12/23/2023

Poaceae

Leymus flavescens (Scribn. & J.G. Sm.) Pilg.[FNA24, HC2]

sand wildrye

last updated 12/23/2023

Poaceae

Leymus condensatus (J. Presl) Á. Löve[HC2]

giant wildrye

last updated 12/23/2023

Poaceae

Leymus cinereus (Scribn. & Merr.) Á. Löve[FNA24, HC2]

Great Basin wildrye

last updated 12/23/2023

Poaceae

Leersia oryzoides (L.) Sw.[FNA24, HC, HC2]

rice cutgrass

last updated 12/23/2023

Lentibulariaceae

Utricularia ochroleuca R.W. Hartm.[HC2, IFBC]

dwarf bladderwort

last updated 12/22/2023

Lentibulariaceae

Utricularia inflata Walter[HC2]

swollen bladderwort

last updated 12/22/2023

Lentibulariaceae

Utricularia minor L.[HC, HC2]

lesser bladderwort

last updated 12/22/2023

Lentibulariaceae

Utricularia vulgaris L. ssp. macrorhiza (Leconte) R.T. Clausen[Crow & Hellquist 2000, HC2]

bladderwort, common bladderwort, greater bladderwort

last updated 12/22/2023

Lentibulariaceae

Utricularia vulgaris L.[HC, HC2, JPM]

common bladderwort, greater bladderwort

last updated 12/22/2023

Lentibulariaceae

Utricularia gibba L.[HC, HC2]

humped bladderwort, swollen-spurred bladderwort

last updated 12/22/2023

Poaceae

Hordeum vulgare L. ssp. vulgare[FNA24, HC2]

common barley

last updated 12/21/2023

Poaceae

Hordeum vulgare L.[HC, HC2]

barley

last updated 12/21/2023

Poaceae

Hordeum murinum L. ssp. murinum[FNA24, HC2]

mouse barley

last updated 12/21/2023

Poaceae

Hordeum murinum L. ssp. leporinum (Link) Arcang.[FNA24, HC2]

mouse barley

last updated 12/21/2023

Poaceae

Hordeum murinum L. ssp. glaucum (Steud.) Tzvelev[FNA24, HC2]

mouse barley

last updated 12/21/2023

Poaceae

Hordeum murinum L.[HC, HC2]

mouse barley, smooth barley, wall barley

last updated 12/21/2023

Poaceae

Hordeum pusillum Nutt.[FNA24, HC, HC2]

little barley

last updated 12/20/2023

Poaceae

Hordeum marinum Huds. ssp. gussoneanum (Parl.) Thell.[HC2]

Mediterranean barley

last updated 12/20/2023

Poaceae

Hordeum marinum Huds.[HC2]

Mediterranean barley

last updated 12/20/2023

Poaceae

Hordeum jubatum L. ssp. jubatum[FNA24, HC2]

foxtail barley

last updated 12/20/2023

Poaceae

Hordeum jubatum L.[HC, HC2]

foxtail barley

last updated 12/20/2023

Poaceae

Hordeum depressum (Scribn. & J.G. Sm.) Rydb.[FNA24, HC, HC2]

dwarf barley

last updated 12/20/2023

Poaceae

Hordeum brachyantherum Nevski ssp. brachyantherum[FNA24, HC2]

meadow barley

last updated 12/20/2023

Poaceae

Hordeum brachyantherum Nevski[HC, HC2]

meadow barley

last updated 12/20/2023

Poaceae

Holcus mollis L. ssp. mollis[FNA24, HC2]

creeping velvet-grass

last updated 12/20/2023

Poaceae

Holcus mollis L.[HC, HC2]

creeping softgrass, creeping velvet-grass

last updated 12/20/2023

Poaceae

Hierochloe odorata (L.) P. Beauv.[HC, HC2]

hairy sweetgrass, vanillagrass

last updated 12/20/2023

Poaceae

Hierochloe occidentalis Buckley[HC, HC2]

California sweetgrass

last updated 12/20/2023

Poaceae

Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. comata[FNA24, HC2]

needle and thread

last updated 12/20/2023

Poaceae

Hesperostipa comata (Trin. & Rupr.) Barkworth[HC2]

needle-and-thread

last updated 12/20/2023

Poaceae

Pseudoroegneria spicata (Pursh) Á. Löve[FNA24, HC2]

bluebunch wheatgrass

last updated 12/19/2023

Rosaceae

Photinia davidiana (Decne.) Card. var. davidiana[HC2]

Chinese redtip, stranvaesia

last updated 12/18/2023

Poaceae

Graphephorum wolfii (Vasey) Vasey ex Coult.[HC2]

beardless graphephorum

last updated 12/17/2023

Poaceae

Glyceria striata (Lam.) Hitchc.[FNA24, HC, HC2]

fowl mannagrass

last updated 12/17/2023

Poaceae

Glyceria ×occidentalis (Piper) J.C. Nelson[FNA24, HC, HC2]

northwestern mannagrass

last updated 12/17/2023

Poaceae

Glyceria maxima (Hartm.) Holmb.[FNA24, HC2]

tall mannagrass

last updated 12/17/2023

Poaceae

Glyceria leptostachya Buckley[FNA24, HC, HC2]

slender-spike mannagrass

last updated 12/17/2023

Poaceae

Glyceria grandis S. Watson var. grandis[FNA24, HC2]

reed mannagrass

last updated 12/17/2023

Poaceae

Glyceria grandis S. Watson[HC, HC2]

American mannagrass, reed mannagrass

last updated 12/17/2023

Poaceae

Poa pratensis L. ssp. pratensis[FNA24, HC2]

Kentucky bluegrass

last updated 12/16/2023

Poaceae

Poa pratensis L. ssp. irrigata (Lindm.) H. Lindb.[HC2]

Kentucky bluegrass

last updated 12/16/2023

Poaceae

Poa pratensis L. ssp. angustifolia (L.) Lej.[HC2]

Kentucky bluegrass

last updated 12/16/2023

Poaceae

Poa pratensis L.[HC, HC2]

Kentucky bluegrass

last updated 12/16/2023

Poaceae

Poa stenantha Trin. var. stenantha[FNA24, HC2]

narrow-flower bluegrass

last updated 12/16/2023

Poaceae

Poa stenantha Trin.[HC, HC2]

narrow-flowered bluegrass

last updated 12/16/2023

Poaceae

Poa trivialis L. ssp. trivialis[HC2]

rough-stalk bluegrass

last updated 12/16/2023

Poaceae

Poa trivialis L.[FNA24, HC, HC2]

rough-stalk bluegrass

last updated 12/16/2023

Poaceae

Poa glauca Vahl ssp. rupicola (Nash) W.A. Weber[FNA24, HC2]

timberline bluegrass

last updated 12/16/2023