Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Updated On

Hydrocharitaceae

Hydrocharis morsus-ranae L.[FNA22, HC2]

European frog-bit

last updated 4/16/2021

Hydrocharitaceae

Hydrilla verticillata (L. f.) Royle[FNA22, HC2]

hydrilla, water-thyme

last updated 4/16/2021

Ranunculaceae

Ficaria verna Huds.[HC2, Stace 1997]

lesser celandine

last updated 4/16/2021

Hydrocharitaceae

Elodea canadensis Michx.[FNA22, HC, HC2]

Canadian waterweed, common waterweed, Rocky Mountain waterweed

last updated 4/14/2021

Hydrocharitaceae

Egeria densa Planch.[FNA22, HC2]

Brazilian waterweed, South American waterweed

last updated 4/14/2021

Commelinaceae

Murdannia keisak (Hassk.) Hand.-Mazz.[FNA22, HC2]

wart-removing-herb

last updated 4/14/2021

Commelinaceae

Commelina communis L.[FNA22, HC2]

Asiatic dayflower

last updated 4/14/2021

Colchicaceae

Colchicum autumnale L.

autumn crocus

last updated 4/14/2021

Butomaceae

Butomus umbellatus L.[FNA22, HC, HC2]

flowering rush

last updated 4/14/2021

Salicaceae

Salix glauca L. var. villosa Andersson[FNA7, HC2]

glaucous willow, gray willow

last updated 4/14/2021

Apiaceae

Lomatium grayi (J.M. Coult. & Rose) J.M. Coult. & Rose[HC, HC2, VPBC1]

Gray, milfoil lomatium

last updated 4/13/2021

Apiaceae

Lomatium grayi (J.M. Coult. & Rose) J.M. Coult. & Rose[FNA]

Gray, milfoil lomatium

last updated 4/13/2021

Apiaceae

Lomatium grayi (J.M. Coult. & Rose) J.M. Coult. & Rose[FNA]

Gray, milfoil lomatium

last updated 4/13/2021

Violaceae

Viola riviniana Rchb.[HC2]

dog violet, wood violet

last updated 4/13/2021

Asparagaceae

Triteleia hyacinthina (Lindl.) Greene[FNA26, HC2]

white brodiaea, fool's-onion, wild hyacinth

last updated 4/12/2021

Asparagaceae

Ornithogalum umbellatum L.[FNA26, HC2]

nap-at-noon, garden star-of-Bethlehem

last updated 4/12/2021

Brassicaceae

Draba novolympica Payson & H. St. John[FNA7, HC2]

Payson's draba, Payson's whitlow-grass

last updated 4/12/2021

Onagraceae

Clarkia amoena (Lehm.) A. Nelson & J.F. Macbr.[HC, HC2]

farewell-to-spring

last updated 4/11/2021

Asparagaceae

Muscari neglectum Guss. ex Ten.[FNA26, HC2]

grape-hyacinth

last updated 4/10/2021

Asparagaceae

Hyacinthoides ×massartiana Geerinck[HC2]

common bluebell, garden bluebell, hybrid bluebell

last updated 4/10/2021

Asparagaceae

Dichelostemma congestum (Sm.) Kunth[FNA26, HC2]

ookow, northern saitas

last updated 4/10/2021

Asparagaceae

Brodiaea coronaria (Salisb.) Engl.[FNA26, HC, HC2, JPM2]

crown brodiaea, harvest brodiaea

last updated 4/10/2021

Asparagaceae

Asparagus officinalis L.[FNA26, HC, HC2]

asparagus

last updated 4/10/2021

Adoxaceae

Sambucus racemosa L. var. melanocarpa (A. Gray) McMinn[HC, HC2]

black elderberry

last updated 4/10/2021

Adoxaceae

Sambucus racemosa L. var. arborescens (Torr. & A. Gray) A. Gray[HC, HC2, VPBC1]

coast red elderberry

last updated 4/10/2021

Adoxaceae

Sambucus racemosa L.[HC, HC2]

red elderberry

last updated 4/10/2021

Araceae

Wolffia columbiana H. Karsten[FNA22, HC, HC2]

Columbian watermeal

last updated 4/10/2021

Ericaceae

Pyrola asarifolia Michx. ssp. bracteata (Hook.) Haber[FNA8, HC2]

pink pyrola

last updated 4/9/2021

Ericaceae

Pyrola asarifolia Michx. ssp. asarifolia[FNA8, HC2]

pink pyrola, common pink wintergreen, liver-leaf wintergreen

last updated 4/9/2021

Ericaceae

Pyrola asarifolia Michx.[FNA8, HC, HC2]

common pink wintergreen, liver-leaf wintergreen

last updated 4/9/2021

Betulaceae

Corylus cornuta Marshall[FNA3, HC, HC2]

beaked hazelnut

last updated 4/9/2021

Betulaceae

Corylus cornuta Marshall ssp. cornuta[FNA3, HC2]

beaked hazelnut

last updated 4/9/2021

Betulaceae

Corylus cornuta Marshall ssp. californica (A. DC.) A.E. Murray[FNA3, HC2]

California hazelnut

last updated 4/9/2021

Plantaginaceae

Collinsia grandiflora Lindl.[HC, HC2]

blue-lips blue-eyed Mary, large-flowered blue-eyed Mary

last updated 4/8/2021

Plantaginaceae

Collinsia sparsiflora Fisch. & C.A. Mey. var. sparsiflora[HC2]

few-flowered blue-eyed Mary

last updated 4/8/2021

Plantaginaceae

Collinsia sparsiflora Fisch. & C.A. Mey.[HC, HC2]

few-flowered blue-eyed Mary, few-flowered collinsia

last updated 4/8/2021

Araceae

Wolffia brasiliensis Wedd.[FNA22, HC2]

Brazilian watermeal

last updated 4/7/2021

Araceae

Wolffia borealis (Engelm.) Landolt & Wildi ex Gandhi, Wiersema & Brouillet[FNA22, HC2]

northern watermeal

last updated 4/7/2021

Araceae

Peltandra virginica (L.) Schott[FNA22, HC2]

arrow arum, tuckahoe

last updated 4/7/2021

Araceae

Spirodela polyrhiza (L.) Schleid.[HC, HC2]

common duckmeal, greater duckweed

last updated 4/7/2021

Araceae

Lemna turionifera Landolt[FNA22, HC2]

turion duckweed

last updated 4/6/2021

Araceae

Lemna trisulca L.[FNA22, HC, HC2]

ivy duckweed, ivy-leaved duckweed, star duckweed

last updated 4/6/2021

Araceae

Lemna minuta Kunth[FNA22, HC2]

least duckweed

last updated 4/6/2021

Araceae

Lemna minor L.[FNA22, HC, HC2]

common duckweed, lesser duckweed, water lentil

last updated 4/6/2021

Araceae

Arum italicum Mill. ssp. italicum

Italian arum, Italian lords and ladies

last updated 4/6/2021

Araceae

Arum italicum Mill.[HC2, JPM]

orange candleflower, Italian lords and ladies

last updated 4/6/2021

Amaryllidaceae

Narcissus poeticus L.[FNA26, HC2]

pheasant's eye narcissus, poet's narcissus

last updated 4/5/2021

Amaryllidaceae

Narcissus ×incomparabilis Mill.[FNA26, HC2]

hybrid daffodil, nonesuch daffodil

last updated 4/5/2021

Amaryllidaceae

Allium vineale L.[FNA26, HC, HC2]

wild chives, crow garlic, wild garlic

last updated 4/5/2021

Amaryllidaceae

Allium tolmiei Baker var. tolmiei[FNA26, HC, HC2]

Tolmie's onion

last updated 4/5/2021

Amaryllidaceae

Allium tolmiei Baker[FNA26, HC, HC2]

Tolmie's onion

last updated 4/5/2021

Amaryllidaceae

Allium scilloides Douglas ex S. Watson[FNA26, HC, HC2]

fragile onion, scilla-like onion

last updated 4/5/2021

Amaryllidaceae

Allium schoenoprasum L.[FNA26, HC, HC2]

chives

last updated 4/3/2021

Amaryllidaceae

Allium tuberosum Rottler ex Spreng.[FNA26, HC2]

last updated 4/3/2021

Amaryllidaceae

Allium sativum L.[FNA26, HC2, Stace 1997]

cultivated garlic

last updated 4/3/2021

Amaryllidaceae

Allium robinsonii L.F. Hend.[FNA26, HC, HC2]

Robinson's onion

last updated 4/3/2021

Ranunculaceae

Ranunculus californicus Benth.[FNA3, HC, HC2]

California buttercup

last updated 4/2/2021

Ranunculaceae

Ranunculus californicus Benth. var. californicus[FNA3, HC2]

California buttercup

last updated 4/2/2021

Amaryllidaceae

Allium macrum S. Watson[FNA26, HC, HC2]

rock onion

last updated 4/2/2021

Amaryllidaceae

Allium geyeri S. Watson var. tenerum M.E. Jones[FNA26, HC, HC2]

bulbil onion, Rydberg's onion

last updated 4/2/2021

Amaryllidaceae

Allium geyeri S. Watson var. geyeri[FNA26, HC, HC2]

Geyer's onion

last updated 4/2/2021

Amaryllidaceae

Allium geyeri S. Watson[FNA26, HC, HC2]

Geyer's onion

last updated 4/2/2021

Amaryllidaceae

Allium fibrillum M.E. Jones ex Abrams[FNA26, HC, HC2]

Cuddy Mountain onion, fringed onion

last updated 4/2/2021

Amaryllidaceae

Narcissus pseudonarcissus L.[FNA26, HC2]

daffodil

last updated 3/31/2021

Ranunculaceae

Arcteranthis cooleyae (Vasey & Rose) Greene[HC2]

Cooley's buttercup

last updated 3/25/2021

Amaryllidaceae

Allium crenulatum Wiegand[FNA26, HC, HC2]

scalloped onion

last updated 3/24/2021

Amaryllidaceae

Allium columbianum (Ownbey & Mingrone) P. M. Peterson, Annable & Rieseberg[FNA26, HC2]

Columbia onion

last updated 3/24/2021

Brassicaceae

Phoenicaulis cheiranthoides Nutt.[FNA7, HC, HC2]

daggerpod

last updated 3/24/2021

Amaryllidaceae

Allium cernuum Roth[FNA26, HC, HC2]

nodding onion

last updated 3/23/2021

Amaryllidaceae

Allium campanulatum S. Watson[FNA26, HC, HC2]

rosy Sierra onion

last updated 3/23/2021

Orchidaceae

Spiranthes romanzoffiana Cham.[FNA26, HC, HC2]

hooded ladies'-tresses

last updated 3/23/2021

Orchidaceae

Spiranthes porrifolia Lindl.[FNA26, HC2]

western ladies'-tresses

last updated 3/23/2021

Orchidaceae

Spiranthes diluvialis Sheviak[FNA26, HC2]

diluvial ladies'-tresses

last updated 3/23/2021

Orchidaceae

Platanthera unalascensis (Spreng.) Kurtz[HC2]

Alaska rein-orchid

last updated 3/22/2021

Orchidaceae

Platanthera orbiculata (Pursh) Lindl.[FNA26, HC2]

large round-leaf orchid

last updated 3/22/2021

Orchidaceae

Platanthera obtusata (Banks ex Pursh) Lindl. ssp. obtusata[FNA26, HC2]

small northern bog-orchid, blunt-leaf rein-orchid, one-leaf rein-orchid

last updated 3/22/2021

Orchidaceae

Platanthera obtusata (Banks ex Pursh) Lindl.[FNA26, HC2]

small northern bog-orchid, blunt-leaf rein-orchid, one-leaf rein-orchid

last updated 3/22/2021

Orchidaceae

Platanthera elegans Lindl. ssp. elegans[HC2]

elegant rein-orchid, hillside rein-orchid

last updated 3/22/2021

Orchidaceae

Platanthera dilatata (Pursh) Lindl. ex L.C. Beck var. leucostachys (Lindl.) Luer[FNA26, HC2]

white bog-orchid

last updated 3/22/2021

Orchidaceae

Platanthera dilatata (Pursh) Lindl. ex L.C. Beck var. dilatata[FNA26, HC2]

white bog-orchid

last updated 3/22/2021

Orchidaceae

Platanthera dilatata (Pursh) Lindl. ex L.C. Beck[FNA26, HC2]

bog-candle, boreal bog-orchid, white orchid, white rein-orchid, scent-bottle

last updated 3/22/2021

Orchidaceae

Platanthera dilatata (Pursh) Lindl. ex L.C. Beck var. albiflora (Cham.) Ledeb.[FNA26, HC2]

white bog-orchid

last updated 3/22/2021

Iridaceae

Iris missouriensis Nutt.[FNA26, HC, HC2]

western blue flag, Rocky Mountain iris

last updated 3/22/2021

Orchidaceae

Platanthera huronensis (Nutt.) Lindl.[FNA26, HC2]

northern green bog-orchid

last updated 3/22/2021

Orchidaceae

Platanthera ephemerantha R.M. Bateman[HC2]

white-lip rein-orchid

last updated 3/22/2021

Orchidaceae

Platanthera elegans Lindl.[HC2]

elegant rein-orchid, hillside rein orchid

last updated 3/22/2021

Ericaceae

Gaultheria hispidula (L.) Muhl. ex Bigelow[FNA8, HC, HC2]

creeping snowberry

last updated 3/19/2021

Saxifragaceae

Micranthes integrifolia (Hook.) Small[FNA8, HC2]

Columbian saxifrage, swamp saxifrage, whole-leaf saxifrage

last updated 3/18/2021

Orchidaceae

Neottia borealis (Morong) Szlachetko[HC2]

northern twayblade

last updated 3/17/2021

Orchidaceae

Neottia banksiana (Lind.) Rchb. f.[HC2]

northwestern twayblade

last updated 3/17/2021

Orchidaceae

Platanthera elongata (Rydb.) R.M. Bateman[HC2]

dense orchid, dense-flower rein orchid

last updated 3/17/2021

Orchidaceae

Platanthera chorisiana (Cham.) Rchb. f.[FNA26, HC2]

choriso bog orchid

last updated 3/17/2021

Orchidaceae

Platanthera aquilonis Sheviak[FNA26, HC2]

eagle rein orchid, Sheviak's bog orchid

last updated 3/17/2021

Orchidaceae

Platanthera stricta Lindl.[FNA26, HC2]

canyon bog orchid, needle-spur green orchid, slender bog orchid

last updated 3/17/2021

Orchidaceae

Liparis loeselii (L.) Richardson[FNA26, HC, HC2]

fen orchid, Loesel's twayblade

last updated 3/16/2021

Poaceae

Dichanthelium oligosanthes (Schult.) Gould[HC2]

Scribner's perennial panicgrass

last updated 3/16/2021

Cyperaceae

Carex lasiocarpa Ehrh.[FNA23, HC, HC2, SPNW]

wiregrass sedge

last updated 3/16/2021

Cyperaceae

Carex lasiocarpa Ehrh.[FNA23, HC, HC2, SPNW]

wiregrass sedge

last updated 3/16/2021

Pontederiaceae

Heteranthera dubia (Jacq.) MacMill.[FNA26, HC, HC2]

grassleaf mud-plantain, water stargrass, yellow stargrass

last updated 3/15/2021

Orchidaceae

Epipactis gigantea Douglas ex Hook.[FNA26, HC, HC2]

giant helleborine

last updated 3/13/2021