Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

Asteraceae

Tanacetum vulgare L.[FNA19, HC, HC2]

common tansy

last updated 11/25/2020

Asteraceae

Tanacetum parthenium (L.) Sch. Bip.[FNA19, HC2]

featherfew, feverfew

last updated 11/25/2020

Asteraceae

Tanacetum bipinnatum (L.) Sch. Bip.[FNA19, HC2]

camphor tansy, dune tansy

last updated 11/24/2020

Asteraceae

Tanacetum balsamita L.[FNA19, HC2]

costmary

last updated 11/24/2020

Asteraceae

Symphyotrichum subspicatum (Nees) G.L. Nesom[FNA20, HC2]

Douglas' aster, Douglas's aster

last updated 11/24/2020

Asteraceae

Symphyotrichum spathulatum (Lindl.) G.L. Nesom[FNA20, HC2]

western aster, western mountain aster

last updated 11/24/2020

Asteraceae

Symphyotrichum pilosum (Willd.) G.L. Nesom var. pilosum[FNA20, HC2]

hairy aster

last updated 11/24/2020

Asteraceae

Symphyotrichum pilosum (Willd.) G.L. Nesom[FNA20, HC2]

hairy aster

last updated 11/24/2020

Asteraceae

Symphyotrichum novae-angliae (L.) G.L. Nesom[FNA20, HC2]

New England aster

last updated 11/24/2020

Asteraceae

Symphyotrichum lanceolatum (Willd.) G.L. Nesom var. hesperium (A. Gray) G.L. Nesom[FNA20, HC2]

lance-leaved aster, panicled aster, white panicled aster

last updated 11/24/2020

Asteraceae

Symphyotrichum lanceolatum (Willd.) G.L. Nesom[FNA20, HC2]

marsh aster, western willow aster

last updated 11/23/2020

Asteraceae

Symphyotrichum laeve (L.) Á. Löve & D. Löve var. geyeri (A. Gray) G.L. Nesom[FNA20, HC2]

Geyer's smooth aster

last updated 11/22/2020

Asteraceae

Symphyotrichum laeve (L.) Á. Löve & D. Löve[FNA20, HC2]

Geyer's aster, smooth aster

last updated 11/22/2020

Asteraceae

Symphyotrichum jessicae (Piper) G.L. Nesom[FNA20, HC2]

Jessica's aster, Palouse aster

last updated 11/22/2020

Asteraceae

Symphyotrichum hallii (A. Gray) G.L. Nesom[FNA20, HC2]

Hall's aster

last updated 11/21/2020

Asteraceae

Symphyotrichum frondosum (Nutt.) G.L. Nesom[FNA20, HC2]

alkali aster, short rayed aster, short-rayed alkali aster

last updated 11/21/2020

Asteraceae

Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom[FNA20, HC2]

alpine leafybract aster, Canby's leafybract aster, Cusick's American aster, Cusick's aster, Henderson's aster, Kootenai aster, leafy aster, leafy-bracted aster, Parry's aster

last updated 11/21/2020

Asteraceae

Symphyotrichum ericoides (L.) G.L. Nesom var. pansum (S.F. Blake) G.L. Nesom[FNA20, HC2]

little gray aster, tufted white prairie aster, white heath aster

last updated 11/21/2020

Asteraceae

Symphyotrichum ericoides (L.) G.L. Nesom[FNA20, HC2]

heath-leaved aster, tufted white prairie aster

last updated 11/21/2020

Asteraceae

Symphyotrichum ciliatum (Ledeb.) G.L. Nesom[FNA20, HC2]

alkali American aster, rayless alkali aster, rayless annual aster

last updated 11/21/2020

Asteraceae

Symphyotrichum chilense (Nees) G.L. Nesom[FNA20, HC2]

common California aster, Pacific aster

last updated 11/21/2020

Asteraceae

Symphyotrichum campestre (Nutt.) G.L. Nesom[FNA20, HC2]

western meadow aster

last updated 11/19/2020

Asteraceae

Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve[FNA20, HC2]

northern bog aster, rush aster, slender white aster

last updated 11/19/2020

Asteraceae

Symphyotrichum ascendens (Lindl.) G.L. Nesom[FNA20, HC2]

intermountain aster, long-leaved aster, western American aster, western aster

last updated 11/19/2020

Asteraceae

Stephanomeria tenuifolia (Raf.) H.M. Hall[FNA19, HC, HC2]

wire lettuce, narrowleaf stephanomeria

last updated 11/19/2020

Asteraceae

Stephanomeria paniculata Nutt.[FNA19, HC, HC2]

stiff-branched stephanomeria, stiff-branched wirelettuce

last updated 11/19/2020

Asteraceae

Stephanomeria exigua Nutt. ssp. exigua[FNA19]

skeletonplant, small wirelettuce

last updated 11/19/2020

Asteraceae

Stephanomeria exigua Nutt.[FNA19, HC, HC2]

small wirelettuce

last updated 11/19/2020

Asteraceae

Stenotus lanuginosus (A. Gray) Greene var. lanuginosus[FNA20, HC2]

woolly goldenweed, woolly stenotus

last updated 11/19/2020

Asteraceae

Soliva sessilis Ruiz & Pav.[FNA19, HC2]

lawn burrweed, common soliva, prickly soliva

last updated 11/17/2020

Asteraceae

Solidago simplex Kunth var. simplex[FNA20, HC2]

sticky goldenrod

last updated 11/17/2020

Asteraceae

Solidago simplex Kunth var. nana (A. Gray) G.S. Ringius[FNA20, HC2]

dwarf goldenrod

last updated 11/17/2020

Asteraceae

Solidago multiradiata Aiton[FNA20, HC, HC2]

northern goldenrod, Rocky Mountain goldenrod

last updated 11/17/2020

Asteraceae

Solidago missouriensis Nutt.[FNA20, HC, HC2]

Missouri goldenrod

last updated 11/17/2020

Asteraceae

Solidago lepida DC. var. salebrosa (Piper) Semple[FNA20, HC2]

Canada goldenrod, meadow goldenrod, Rocky Mountains Canada goldenrod

last updated 11/17/2020

Asteraceae

Solidago lepida DC. var. lepida[FNA20, HC2]

western Canada goldenrod

last updated 11/17/2020

Asteraceae

Solidago lepida DC.[FNA20, HC2]

western Canada goldenrod

last updated 11/17/2020

Asteraceae

Solidago elongata Nutt.[FNA20, HC2]

Cascade Canada goldenrod, West Coast goldenrod

last updated 11/16/2020

Asteraceae

Sericocarpus rigidus Lindl.[FNA20, HC2]

Columbian white-topped aster, Columbian whitetop aster, rigid white-topped aster

last updated 11/16/2020

Asteraceae

Sericocarpus oregonensis Nutt. ssp. oregonensis[FNA20, HC2]

Oregon white-topped aster

last updated 11/16/2020

Asteraceae

Sericocarpus oregonensis Nutt.[FNA20, HC2]

Oregon white-topped aster

last updated 11/16/2020

Asteraceae

Senecio viscosus L.[FNA20, HC2]

sticky ragwort

last updated 11/16/2020

Asteraceae

Senecio triangularis Hook. var. triangularis[HC, HC2]

arrowleaf groundsel, arrowleaf ragwort

last updated 11/16/2020

Asteraceae

Senecio triangularis Hook.[FNA20, HC, HC2]

arrowleaf groundsel, arrowleaf ragwort

last updated 11/16/2020

Asteraceae

Senecio sylvaticus L.[FNA20, HC, HC2]

wood groundsel, woodland groundsel, woodland ragwort

last updated 11/16/2020

Asteraceae

Senecio serra Hook. var. serra[FNA20, HC2]

tall butterweed, butterweed groundsel

last updated 11/16/2020

Asteraceae

Senecio serra Hook.[FNA20, HC, HC2]

tall butterweed, butterweed groundsel

last updated 11/16/2020

Asteraceae

Senecio neowebsteri S.F. Blake[FNA20, HC, HC2]

Olympic Mountain ragwort

last updated 11/16/2020

Asteraceae

Senecio lugens Richardson[FNA20, HC, HC2]

black-tipped groundsel

last updated 11/16/2020

Asteraceae

Senecio hydrophilus Nutt.[FNA20, HC, HC2]

alkali marsh butterweed, water groundsel, alkali marsh ragwort

last updated 11/16/2020

Asteraceae

Senecio hydrophiloides Rydb.[FNA20, HC2]

sweet marsh butterweed, stout meadow groundsel

last updated 11/16/2020

Asteraceae

Senecio fremontii Torr. & A. Gray var. fremontii[FNA20, HC, HC2]

dwarf mountain groundsel

last updated 11/16/2020

Asteraceae

Senecio fremontii Torr. & A. Gray[FNA20, HC, HC2]

dwarf mountain butterweed

last updated 11/13/2020

Asteraceae

Senecio elmeri Piper[FNA20, HC, HC2]

Elmer's ragwort

last updated 11/13/2020

Saxifragaceae

Saxifraga cernua L.[FNA8, HC, HC2]

nodding saxifrage

last updated 11/13/2020

Asteraceae

Silybum marianum (L.) Gaertn.[FNA19, HC, HC2]

milk-thistle

last updated 11/12/2020

Asteraceae

Saussurea americana D.C. Eaton[FNA19, HC, HC2]

American sawwort

last updated 11/12/2020

Asteraceae

Rudbeckia laciniata L. var. ampla (A. Nelson) Cronquist[FNA21, HC, HC2]

tall black-eyed Susan

last updated 11/12/2020

Asteraceae

Rudbeckia laciniata L.[FNA21, HC, HC2]

green-headed black-eyed Susan, tall black-eyed Susan

last updated 11/12/2020

Asteraceae

Rudbeckia hirta L.[FNA21, HC, HC2]

black-eyed Susan

last updated 11/12/2020

Asteraceae

Rudbeckia hirta L. var. pulcherrima Farw.[FNA21, HC, HC2]

black-eyed Susan

last updated 11/12/2020

Asteraceae

Rudbeckia occidentalis Nutt.[FNA21, HC, HC2]

western black-eyed Susan, western chocolate black-eyed Susan

last updated 11/11/2020

Asteraceae

Rudbeckia alpicola Piper[FNA21, HC2]

showy black-eyed Susan, Washington showy black-eyed Susan, Wenatchee Mountain showy black-eyed Susan

last updated 11/11/2020

Asteraceae

Rigiopappus leptocladus A. Gray[FNA20, HC, HC2]

bristlehead, false wireweed

last updated 11/8/2020

Asteraceae

Rainiera stricta (Greene) Greene[FNA20, HC2]

false silverback

last updated 11/8/2020

Asteraceae

Pyrrocoma scaberula Greene[HC2]

palouse goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma liatriformis Greene[FNA20, HC2]

Palouse goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma hirta (A. Gray) Greene var. sonchifolia (Greene) Kartesz & Gandhi[FNA20, HC2]

large sticky goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma hirta (A. Gray) Greene[FNA20, HC2]

hairy goldenweed, sticky goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma carthamoides Hook. var. carthamoides[FNA20, HC2]

Columbia goldenweed, rayless goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma carthamoides Hook. var. cusickii (A. Gray) Kartesz & Gandhi[FNA20, HC2]

narrowhead goldenweed

last updated 11/7/2020

Asteraceae

Pyrrocoma carthamoides Hook.[FNA20, HC2]

large-flowered goldenweed

last updated 11/7/2020

Asteraceae

Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & G.I. Baird var. speciosa (Nutt.) G.L. Nesom & G.I. Baird[FNA20, HC2]

rubber rabbitbrush

last updated 11/4/2020

Asteraceae

Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & G.I. Baird var. nana (Cronquist) G.L. Nesom & G.I. Baird[FNA20, HC2]

little rabbitbrush

last updated 11/4/2020

Asteraceae

Ericameria greenei (A. Gray) G.L. Nesom[FNA20, HC2]

Greene's goldenweed, Greene's heath goldenweed

last updated 11/4/2020

Asteraceae

Ericameria resinosa Nutt.[FNA20, HC2]

Columbia goldenweed, Columbian heath goldenweed

last updated 11/4/2020

Asteraceae

Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & G.I. Baird[FNA20, HC2]

common rabbit-brush

last updated 11/4/2020

Isoetaceae

Isoetes ×truncata (A.A. Eaton) Clute

last updated 11/3/2020

Asteraceae

Psilocarphus tenellus Nutt.[FNA19, HC, HC2]

slender woollyheads

last updated 11/2/2020

Asteraceae

Psilocarphus oregonus Nutt.[FNA19, HC, HC2]

Oregon woollyheads

last updated 11/2/2020

Asteraceae

Psilocarphus elatior (A. Gray) A. Gray[FNA19, HC, HC2]

tall woollyheads

last updated 11/2/2020

Asteraceae

Psilocarphus brevissimus Nutt. var. brevissimus[FNA19, HC, HC2]

dwarf woollyheads

last updated 11/2/2020

Asteraceae

Psilocarphus brevissimus Nutt.[FNA19, HC, HC2]

dwarf woolly-marbles

last updated 11/2/2020

Asteraceae

Pseudognaphalium thermale (E.E. Nelson) G.L. Nesom[FNA19, HC2]

slender cudweed, northwestern rabbit-tobacco

last updated 11/1/2020

Asteraceae

Pseudognaphalium macounii (Greene) Kartesz[FNA19, HC2]

sticky cudweed, winded cudweed, Macoun's rabbit-tobacco, Macoun's rabbit tobacco

last updated 11/1/2020

Asteraceae

Pseudognaphalium luteoalbum (L.) Hilliard & B.L. Burtt[FNA19, HC2]

weedy cudweed, red-tip rabbit-tobacco, jersey rabbit tobacco

last updated 11/1/2020

Asteraceae

Pseudognaphalium californicum (DC.) Anderb.[FNA19, HC2]

California cudweed, California everlasting

last updated 11/1/2020

Asteraceae

Pleiacanthus spinosus (Nutt.) Rydb.[FNA19, HC2]

thorny skeletonweed

last updated 11/1/2020

Asteraceae

Picris hieracioides L.[FNA19, HC2]

hawkweed ox-tongue

last updated 10/31/2020

Asteraceae

Petasites japonicus (Siebold & Zucc.) Maxim.[HC2, ILBC1]

Japanese sweet coltsfoot

last updated 10/31/2020

Asteraceae

Packera subnuda (DC.) Trock & T.M. Barkley[FNA20, HC2]

alpine meadow butterweed, few-leaved groundsel

last updated 10/31/2020

Asteraceae

Packera subnuda (DC.) Trock & T.M. Barkley var. subnuda[FNA20, HC2]

cleftleaf groundsel

last updated 10/31/2020

Asteraceae

Packera streptanthifolia (Greene) W.A. Weber & Á. Löve[FNA20, HC2]

Rocky Mountain butterweed, cleftleaf groundsel, Rocky Mountain groundsel

last updated 10/31/2020

Asteraceae

Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve var. pseudaurea[FNA20, HC2]

stream bank butterweed, falsegold groundsel

last updated 10/31/2020

Asteraceae

Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve[FNA20, HC2]

streambank butterweed

last updated 10/31/2020

Asteraceae

Packera porteri (Greene) C. Jeffrey[FNA20, HC2]

Porter's groundsel

last updated 10/31/2020

Asteraceae

Packera paupercula (Michx.) Á. Löve & D. Löve[FNA20, HC2]

Canadian butterweed, balsam groundsel

last updated 10/31/2020

Asteraceae

Packera pauciflora (Pursh) Á. Löve & D. Löve[FNA20, HC2]

rayless alpine butterweed, rayless alpine groundsel

last updated 10/31/2020

Asteraceae

Packera macounii (Greene) W.A. Weber & Á. Löve[FNA20, HC2]

Puget butterweed, long-rayed groundsel, Macoun's groundsel, Siskiyou Mountain ragwort

last updated 10/31/2020

Asteraceae

Packera indecora (Greene) Á. Löve & D. Löve[FNA20, HC2]

rayless mountain butterweed, elegant groundsel

last updated 10/31/2020