Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

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]

Italian arum, 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 validum S. Watson[FNA26, HC, HC2]

Pacific onion, swamp onion

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]

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

Grand Coulee 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

Orchidaceae

Dactylorhiza viridis (L.) R. M. Bateman, Pridgeon & M. W. Chase[HC2]

frog orchid, long-bracted green orchid

last updated 3/13/2021

Orchidaceae

Cypripedium parviflorum Salisb. var. makasin (Farw.) Sheviak[FNA26, HC2]

mocassin yellow lady's-slipper

last updated 3/13/2021

Orchidaceae

Cypripedium parviflorum Salisb. var. pubescens (Willd.) O.W. Knight[FNA26, HC2]

hairy yellow lady's-slipper

last updated 3/13/2021

Orchidaceae

Cypripedium parviflorum Salisb.[FNA26, HC2]

yellow lady's-slipper

last updated 3/13/2021

Orchidaceae

Cypripedium montanum Douglas ex Lindl.[FNA26, HC, HC2]

mountain lady's-slipper

last updated 3/13/2021

Orchidaceae

Cypripedium fasciculatum Kellogg ex S. Watson[FNA26, HC, HC2]

clustered lady's-slipper

last updated 3/13/2021

Brassicaceae

Draba taylorii G.A.Mulligan & Al-Shehbaz[HC2]

Taylor's draba, Taylor's whitlow-grass

last updated 3/10/2021

Boraginaceae

Myosotis stricta Link ex Roem. & Schult.[ILBC2]

blue scorpion-grass

last updated 3/9/2021

Orchidaceae

Corallorhiza trifida Châtel.[FNA26, HC, HC2]

early coralroot, northern coralroot, yellow coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza striata Lindl. var. vreelandii (Rydb.) L.O. Williams[FNA26, HC2]

Vreeland's striped coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza striata Lindl. var. striata[FNA26, HC2]

hooded coralroot, striped coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza striata Lindl.[FNA26, HC, HC2]

striped coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza mertensiana Bong.[FNA26, HC, HC2]

Pacific coralroot, western coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza maculata (Raf.) Raf. var. ozettensis E. Tisch[HC2]

ozette coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza maculata (Raf.) Raf. var. occidentalis (Lindl.) Ames[FNA26, HC2]

western spotted coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza maculata (Raf.) Raf. var. maculata[FNA26, HC2]

spotted coralroot

last updated 3/8/2021

Orchidaceae

Corallorhiza maculata (Raf.) Raf.[FNA26, HC, HC2]

spotted coralroot

last updated 3/4/2021

Orchidaceae

Calypso bulbosa (L.) Oakes var. occidentalis (Holz.) B. Boivin[FNA26, HC2]

calypso, fairy-slipper, Venus-slipper

last updated 3/3/2021

Orchidaceae

Calypso bulbosa (L.) Oakes var. americana (R. Br.) Luer[FNA26, HC2]

calypso, fairy-slipper, Venus-slipper

last updated 3/3/2021

Orchidaceae

Calypso bulbosa (L.) Oakes[FNA26, HC, HC2]

calypso, fairy-slipper, Venus-slipper

last updated 3/3/2021

Liliaceae

Tulipa gesneriana L.

common garden tulip

last updated 3/3/2021

Liliaceae

Streptopus streptopoides (Ledeb.) Frye & Rigg[FNA26, HC, HC2]

small twisted-stalk

last updated 3/3/2021

Grossulariaceae

Ribes montigenum McClatchie[FNA8, HC, HC2]

alpine prickly currant, mountain gooseberry, western prickly gooseberry

last updated 3/3/2021

Grossulariaceae

Ribes rubrum L.[FNA8, HC2]

northern red currant

last updated 3/3/2021

Boraginaceae

Myosotis ramosissima Rochel.

early forget-me-not

last updated 3/2/2021

Rosaceae

Potentilla flabellifolia Hook. ex Torr. & A. Gray[FNA9, HC, HC2]

fan-leaf cinquefoil, fringe-leaf cinquefoil, fan-foil

last updated 2/27/2021

Ranunculaceae

Delphinium trolliifolium A. Gray[FNA3, HC, HC2]

cow-poison, poison larkspur

last updated 2/27/2021

Poaceae

Deschampsia cespitosa (L.) P. Beauv.[HC, HC2]

tufted hairgrass

last updated 2/26/2021

Liliaceae

Streptopus amplexifolius (L.) DC.[FNA26, HC, HC2]

cucumber root, clasp-leaf twisted-stalk, clasping twisted-stalk

last updated 2/25/2021

Liliaceae

Prosartes trachycarpa S. Watson[FNA26, HC2]

wartberry fairy-bells

last updated 2/25/2021

Liliaceae

Prosartes smithii (Hook.) Utech, Shinwari & Kawano[FNA26, HC2]

Smith's fairy-bells

last updated 2/25/2021

Liliaceae

Lloydia serotina (L.) Salisb. ex Rchb. var. serotina[FNA26, HC2]

alpine lily

last updated 2/25/2021

Liliaceae

Lloydia serotina (L.) Salisb. ex Rchb.[FNA26, HC, HC2]

alp lily, alpine lily

last updated 2/25/2021

Liliaceae

Lilium columbianum Leichtlin[FNA26, HC, HC2]

Columbia lily

last updated 2/25/2021

Cyperaceae

Cyperus odoratus L.[FNA23, HC2]

scented flatsedge

last updated 2/25/2021

Cyperaceae

Carex hassei L.H. Bailey[FNA23, HC2, SPNW]

false golden sedge

last updated 2/23/2021

Liliaceae

Fritillaria camschatcensis (L.) Ker Gawl.[FNA26, HC, HC2]

black lily, Indian rice

last updated 2/23/2021