Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

Oxalidaceae

Oxalis corniculata L.[HC, HC2]

creeping yellow wood-sorrel

last updated 2/4/2024

Papaveraceae

Parameconopsis cambrica (L.) Grey-Wilson[WTU]

Welsh poppy

last updated 2/4/2024

Papaveraceae

Papaver somniferum L.[FNA3, HC, HC2]

opium poppy

last updated 2/4/2024

Papaveraceae

Papaver rhoeas L.[FNA3, HC, HC2]

corn poppy

last updated 2/4/2024

Papaveraceae

Papaver dubium L.[FNA3, HC2]

long-headed poppy

last updated 2/4/2024

Papaveraceae

Papaver argemone L.[FNA3, HC, HC2]

long prickly-head poppy

last updated 2/4/2024

Papaveraceae

Corydalis scouleri Hook.[FNA3, HC, HC2]

Scouler's fumewort

last updated 2/4/2024

Papaveraceae

Corydalis aurea Willd. ssp. aurea[FNA3, HC2]

golden corydalis, scrambled eggs

last updated 2/4/2024

Papaveraceae

Corydalis aurea Willd.[FNA3, HC, HC2]

golden corydalis, scrambled eggs

last updated 2/4/2024

Papaveraceae

Chelidonium majus L.[FNA3, HC2]

devil's milk, swallow wort

last updated 2/4/2024

Papaveraceae

Corydalis aquae-gelidae M. Peck & W.C. Wilson[FNA3, HC, HC2]

marsh corydalis

last updated 2/4/2024

Papaveraceae

Corydalis lutea (L.) DC.[HC, HC2]

yellow corydalis

last updated 2/4/2024

Rubiaceae

Galium odoratum (L.) Scop.[HC2, IFBC]

sweet-scented bedstraw

last updated 2/4/2024

Rubiaceae

Galium mollugo L.[HC, HC2]

false baby's-breath, wild madder

last updated 2/4/2024

Rubiaceae

Galium mexicanum Kunth ssp. asperulum (A. Gray) Dempster[HC2, KZ99]

rough bedstraw

last updated 2/4/2024

Rubiaceae

Galium mexicanum Kunth[HC2]

Mexican bedstraw

last updated 2/4/2024

Rubiaceae

Galium bifolium S. Watson[HC, HC2]

twin-leaf bedstraw

last updated 2/4/2024

Rubiaceae

Cruciata pedemontana (Bellardi) Ehrend.[Flora Europaea, HC2]

piedmont bedstraw

last updated 2/4/2024

Rubiaceae

Galium trifidum L.[HC, HC2]

small bedstraw

last updated 2/3/2024

Rubiaceae

Galium palustre L.[HC2, IFBC]

common marsh bedstraw

last updated 2/3/2024

Rubiaceae

Galium verum L.[HC, HC2]

lady's bedstraw, yellow spring bedstraw

last updated 2/3/2024

Sarraceniaceae

Sarracenia purpurea L. ssp. purpurea[FNA8, HC2]

northern pitcher-plant, purple pitcher-plant

last updated 2/3/2024

Sarraceniaceae

Sarracenia purpurea L.[FNA8, HC2]

purple pitcher-plant

last updated 2/3/2024

Sarraceniaceae

Sarracenia leucophylla Raf.[FNA8, HC2]

white-topped pitcher-plant

last updated 2/3/2024

Sarraceniaceae

Sarracenia flava L.[FNA8, HC2]

yellow pitcher-plant, yellow trumpet

last updated 2/3/2024

Sarraceniaceae

Darlingtonia californica Torr.[FNA8, HC, HC2]

cobraplant

last updated 2/3/2024

Scrophulariaceae

Verbascum thapsus L. ssp. thapsus

flannel mullein, great mullein

last updated 2/3/2024

Scrophulariaceae

Verbascum virgatum Stokes[HC2]

wand mullein

last updated 2/3/2024

Scrophulariaceae

Verbascum thapsus L.[HC, HC2]

flannel mullein, great mullein

last updated 2/3/2024

Scrophulariaceae

Limosella acaulis Sessé & Moc.[HC2]

stemless mudwort

last updated 2/3/2024

Scrophulariaceae

Buddleja davidii Franch.[HC, HC2, JPM]

orange-eye butterfly-bush

last updated 2/3/2024

Scrophulariaceae

Verbascum densiflorum Bertol.

last updated 2/3/2024

Solanaceae

Atropa belladonna L.[HC, HC2]

belladonna, deadly nightshade

last updated 2/3/2024

Solanaceae

Nicandra physalodes (L.) Gaertn.[HC2]

apple of Peru

last updated 2/3/2024

Solanaceae

Nicotiana alata Link & Otto[HC2]

last updated 2/3/2024

Solanaceae

Nicotiana sylvestris Speg. & Comes[HC2]

last updated 2/3/2024

Orobanchaceae

Triphysaria eriantha (Benth.) T.I. Chuang & Heckard[HC2]

butter-and-eggs, Johnny-tuck owl-clover

last updated 2/3/2024

Orobanchaceae

Orthocarpus imbricatus Torr. ex S. Watson[HC, HC2]

mountain owl-clover

last updated 2/3/2024

Orobanchaceae

Orthocarpus luteus Nutt.[HC, HC2]

golden-tongue owl-clover

last updated 2/3/2024

Orobanchaceae

Orthocarpus tenuifolius (Pursh) Benth.[HC, HC2]

narrow-leaved owl-clover, thin-leaved owl-clover

last updated 2/3/2024

Orobanchaceae

Orthocarpus bracteosus Benth.[HC, HC2]

rosy owl-clover

last updated 2/3/2024

Orobanchaceae

Orthocarpus barbatus J.S. Cotton[HC, HC2]

Grand Coulee owl-clover

last updated 2/3/2024

Orobanchaceae

Melampyrum lineare Desr.[Draft FNA, HC, HC2]

narrow-leaved cow-wheat

last updated 2/3/2024

Orobanchaceae

Euphrasia nemorosa (Pers.) Wallr.[HC2, IFBC]

common eyebright, hairy eyebright

last updated 2/3/2024

Orobanchaceae

Castilleja victoriae Fairbarns & J.M. Egger[HC2]

Victoria's paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja thompsonii Pennell[HC, HC2]

Thompson's paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja suksdorfii A. Gray[HC, HC2]

Suksdorf's paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja rupicola Piper ex Fernald[HC, HC2]

cliff paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja parviflora Bong. var. olympica (G.N. Jones) Ownbey[HC, HC2]

Olympic paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja parviflora Bong. var. albida (Pennell) Ownbey[HC, HC2]

mountain Indian paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja parviflora Bong.[HC, HC2]

small-flowered paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja minor (A. Gray) A. Gray var. exilis (A. Gray) J.M. Egger[HC2]

seep paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja minor (A. Gray) A. Gray[HC2, JPM]

annual paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja litoralis Pennell[HC, HC2]

coast paintbrush, Pacific paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja levisecta Greenm.[HC, HC2]

golden paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja cusickii Greenm.[HC, HC2]

Cusick's paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja cryptantha Pennell & G.N. Jones[HC, HC2]

obscure paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja cervina Greenm.[HC, HC2]

deer paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja ambigua Hook. & Arn. var. ambigua[HC2]

salt-marsh paintbrush

last updated 2/3/2024

Orobanchaceae

Castilleja ambigua Hook. & Arn.[HC2]

paintbrush owl-clover

last updated 2/3/2024

Oleaceae

Ligustrum ovalifolium Hassk.[HC2]

California privet

last updated 2/3/2024

Nymphaeaceae

Nymphaea tetragona Georgi[FNA3, HC, HC2]

pygmy water-lily

last updated 2/3/2024

Malvaceae

Tilia cordata Mill.[HC2]

small-leaved linden

last updated 2/3/2024

Malvaceae

Sidalcea virgata Howell[HC, HC2]

virgate checker-mallow, virgate checkerbloom

last updated 2/3/2024

Malvaceae

Sidalcea nelsoniana Piper[HC, HC2]

Nelson's checker-mallow

last updated 2/3/2024

Malvaceae

Sidalcea hirtipes C.L. Hitchc.[HC, HC2]

bristly-stem checker-mallow

last updated 2/3/2024

Malvaceae

Sidalcea campestris Greene[HC, HC2]

meadow checker-mallow, meadow sidalcea

last updated 2/3/2024

Malvaceae

Iliamna longisepala (Torr.) Wiggins[HC, HC2]

long-sepal globemallow

last updated 2/3/2024

Malvaceae

Gossypium hirsutum L.[HC2]

cotton

last updated 2/3/2024

Orobanchaceae

Castilleja chambersii M. Egger & Meinke[HC2]

Chambers's Indian paintbrush

last updated 2/3/2024

Loasaceae

Mentzelia montana (Davidson) Davidson[HC2]

mountain blazing-star

last updated 2/3/2024

Loasaceae

Mentzelia laevicaulis (Douglas) Torr. & A. Gray var. parviflora (Douglas ex Hook.) C.L. Hitchc.[HC, HC2]

common , blazing star mentzelia

last updated 2/3/2024

Loasaceae

Mentzelia laevicaulis (Douglas) Torr. & A. Gray var. laevicaulis[HC, HC2]

common blazing-star, blazing star mentzelia

last updated 2/3/2024

Loasaceae

Mentzelia laevicaulis (Douglas) Torr. & A. Gray[HC, HC2]

giant blazing-star

last updated 2/3/2024

Loasaceae

Mentzelia dispersa S. Watson[HC, HC2]

bushy blazing-star

last updated 2/3/2024

Loasaceae

Mentzelia albicaulis (Douglas ex Hook.) Douglas ex Torr. & A. Gray[HC, HC2]

white-stem blazing-star

last updated 2/3/2024

Linaceae

Sclerolinon digynum (A. Gray) C.M. Rogers[HC2, JPM2]

northwestern yellow-flax

last updated 2/3/2024

Linaceae

Linum usitatissimum L.[HC, HC2]

linseed

last updated 2/3/2024

Linaceae

Linum perenne L.[HC, HC2]

blue garden flax

last updated 2/3/2024

Limnanthaceae

Floerkea proserpinacoides Willd.[FNA7, HC, HC2]

false mermaidweed

last updated 2/3/2024

Lamiaceae

Stachys rigida Nutt. ex Benth.[HC, HC2]

rigid hedge-nettle

last updated 2/3/2024

Lamiaceae

Stachys pilosa Nutt. var. pilosa[HC2]

marsh betony, swamp hedge-nettle

last updated 2/2/2024

Lamiaceae

Stachys pilosa Nutt.[HC2]

marsh betony, swamp hedge-nettle

last updated 2/2/2024

Lamiaceae

Stachys mexicana Benth.[HC, HC2]

Mexican hedge-nettle

last updated 2/2/2024

Lamiaceae

Stachys arvensis (L.) L.[HC2, IFBC]

field hedge-nettle, staggerweed

last updated 2/2/2024

Lamiaceae

Scutellaria lateriflora L.[HC, HC2]

madweed, mad-dog skullcap

last updated 2/2/2024

Lamiaceae

Scutellaria galericulata L.[HC, HC2]

hooded skullcap, marsh skullcap

last updated 2/2/2024

Lamiaceae

Scutellaria angustifolia Pursh ssp. micrantha Olmstead[HC2, IFBC]

small-flowering narrow-leaved skullcap

last updated 2/2/2024

Lamiaceae

Scutellaria angustifolia Pursh ssp. angustifolia[HC2, IFBC]

narrow-leaved skullcap

last updated 2/2/2024

Lamiaceae

Scutellaria angustifolia Pursh[HC, HC2]

narrow-leaved skullcap

last updated 2/2/2024

Lamiaceae

Salvia sclarea L.[HC, HC2]

cleareye

last updated 2/2/2024

Lamiaceae

Salvia pratensis L.[HC, HC2]

meadow clary, prairie-meadow sage

last updated 2/2/2024

Lamiaceae

Trichostema oblongum Benth.[HC, HC2]

mountain bluecurls

last updated 2/1/2024

Lamiaceae

Ziziphora acinos (L.) Melnikov[HC2]

basil-thyme

last updated 2/1/2024

Lamiaceae

Salvia dorrii (Kellogg) Abrams var. incana (Benth.) Strachan[HC2, JPM]

fleshy sage, gray-ball sage

last updated 2/1/2024

Lamiaceae

Salvia aethiopis L.[HC, HC2]

African sage

last updated 2/1/2024

Lamiaceae

Prunella vulgaris L. var. vulgaris[HC, HC2]

heal-all, self-heal

last updated 2/1/2024

Lamiaceae

Prunella vulgaris L. var. lanceolata (W.P.C. Barton) Fernald[HC, HC2]

heal-all, self-heal

last updated 2/1/2024

Lamiaceae

Prunella vulgaris L.[HC, HC2]

self-heal

last updated 2/1/2024

Lamiaceae

Physostegia parviflora Nutt. ex A. Gray[HC, HC2]

purple dragonhead, western false dragonhead

last updated 2/1/2024