Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Added On

Woodsiaceae

Woodsia scopulina D.C. Eaton ssp. laurentiana Windham[FNA2, HC2]

Laurentian cliff fern

last updated 10/8/2023

Woodsiaceae

Woodsia scopulina D.C. Eaton[FNA2, HC, HC2]

cliff-fern, woodsia

last updated 10/8/2023

Thelypteridaceae

Phegopteris connectilis (Michx.) Watt[FNA2, HC2]

narrow beech fern, northern fern

last updated 10/8/2023

Salviniaceae

Azolla filiculoides Lam.[FNA2, HC, HC2]

duckweed fern, large mosquito fern

last updated 10/8/2023

Pteridaceae

Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw.[FNA2, HC2]

gold fern, gold-back fern

last updated 10/6/2023

Pteridaceae

Pellaea glabella Mett. ex Kuhn ssp. simplex (Butters) A. Löve & D. Löve[FNA2, HC2]

simple cliff-brake

last updated 10/6/2023

Pteridaceae

Pellaea glabella Mett. ex Kuhn ssp. occidentalis (E.E. Nelson) Windham[FNA2, HC2]

western smooth cliff-brake

last updated 10/6/2023

Pteridaceae

Pellaea gastonyi Windham[FNA2, HC2]

Gastony's cliff-brake

last updated 10/6/2023

Pteridaceae

Pellaea breweri D.C. Eaton[FNA2, HC, HC2]

Brewer's cliffbrake

last updated 10/5/2023

Pteridaceae

Myriopteris gracilis Fée[Grusz & Windham 2013, HC2]

Fee's lace-fern, slender lace-fern, Fee's lip fern

last updated 10/3/2023

Pteridaceae

Cryptogramma stelleri (S.G. Gmel.) Prantl[FNA2, HC, HC2]

fragile rock-brake, slender rock-brake, Steller's rock-brake

last updated 10/3/2023

Pteridaceae

Aspidotis densa (Brack.) Lellinger[FNA2, HC, HC2]

Oregon , Indian's dream, podfern

last updated 10/3/2023

Marsileaceae

Marsilea oligospora Goodd.[FNA2, HC2]

Nelson's pepperwort, Pacific clover-fern water-clover

last updated 10/2/2023

Marsileaceae

Marsilea mutica Mett.[HC2]

Australian waterclover

last updated 10/2/2023

Lycopodiaceae

Diphasiastrum complanatum (L.) Holub[FNA2, HC2, ILBC5]

ground cedar, trailing ground-pine

last updated 10/2/2023

Asteraceae

Hymenopappus filifolius Hook. var. filifolius[FNA21, HC, HC2]

Columbia cutleaf

last updated 10/1/2023

Asteraceae

Hymenopappus filifolius Hook.[FNA21, HC, HC2]

Columbia cut-leaf, fineleaf hymenopappus

last updated 10/1/2023

Amaranthaceae

Corispermum villosum Rydb.[FNA4, HC2]

hairy bugseed

last updated 10/1/2023

Lycopodiaceae

Dendrolycopodium dendroideum (Michx.) A. Haines[HC2]

prickly tree clubmoss, tree ground-pine

last updated 9/30/2023

Isoetaceae

Isoetes nuttallii A. Br.[FNA2, HC, HC2]

Nuttall's quillwort

last updated 9/30/2023

Isoetaceae

Isoetes minima A.A. Eaton[HC2]

midget quillwort

last updated 9/30/2023

Isoetaceae

Isoetes maritima Underw.[FNA2, HC2]

maritime quillwort

last updated 9/30/2023

Isoetaceae

Isoetes howellii Engelm.[FNA2, HC, HC2]

Howell's quillwort

last updated 9/30/2023

Isoetaceae

Isoetes bolanderi Engelm.[FNA2, HC, HC2]

Bolander's quillwort

last updated 9/30/2023

Hymenophyllaceae

Hymenophyllum wrightii Bosch[FNA2, HC2]

Wright's filmy fern

last updated 9/30/2023

Equisetaceae

Equisetum telmateia Ehrh. ssp. braunii (J. Milde) Hauke[FNA2, HC2]

giant horsetail, great horsetail

last updated 9/29/2023

Equisetaceae

Equisetum variegatum Schleich. ex F. Weber & D. Mohr ssp. variegatum[FNA2, HC2]

variegated horsetail, northern scouring rush

last updated 9/29/2023

Equisetaceae

Equisetum variegatum Schleich. ex F. Weber & D. Mohr[FNA2, HC, HC2]

variegated horsetail, northern scouring rush

last updated 9/29/2023

Equisetaceae

Equisetum scirpoides Michx.[FNA2, HC, HC2]

sedgelike horsetail, dwarf scouring rush

last updated 9/28/2023

Equisetaceae

Equisetum palustre L.[FNA2, HC, HC2]

marsh horsetail

last updated 9/28/2023

Equisetaceae

Equisetum laevigatum A. Braun[FNA2, HC, HC2]

smooth scouring rush

last updated 9/28/2023

Equisetaceae

Equisetum hyemale L. ssp. affine (Engelm.) Calder & Roy L. Taylor[FNA2, HC2]

common scouring rush, Dutch scouring rush, prairie scouring rush

last updated 9/28/2023

Equisetaceae

Equisetum hyemale L.[FNA2, HC, HC2]

scouring rush horsetail , common scouring rush

last updated 9/28/2023

Equisetaceae

Equisetum ×ferrissii Clute[FNA2, HC2]

Ferriss's horsetail, Ferriss's scouring rush

last updated 9/28/2023

Dryopteridaceae

Polystichum lemmonii Underw.[FNA2, HC2]

Lemmon's holly fern, Shasta fern

last updated 9/28/2023

Dryopteridaceae

Polystichum kruckebergii W.H. Wagner[FNA2, HC, HC2]

holly fern, Kruckeberg's sword fern fern

last updated 9/28/2023

Dryopteridaceae

Polystichum imbricans (D.C. Eaton) D.H. Wagner ssp. imbricans[FNA2, HC2]

imbricate fern, narrow-leaved sword fern

last updated 9/28/2023

Dryopteridaceae

Polystichum imbricans (D.C. Eaton) D.H. Wagner[FNA2, HC2]

imbricate sword-fern, rock sword-fern

last updated 9/28/2023

Asteraceae

Erigeron peregrinus (Banks ex Pursh) Greene[FNA20, HC, HC2]

wandering fleabane

last updated 9/28/2023

Asteraceae

Erigeron peregrinus (Banks ex Pursh) Greene[FNA20, HC, HC2]

wandering fleabane

last updated 9/28/2023

Onagraceae

Oenothera suffrutescens (Ser.) W.L. Wagner & Hoch[HC2]

scarlet beeblossom

last updated 9/27/2023

Onagraceae

Oenothera pallida Lindl. ssp. pallida[HC2, IFBC]

pale evening primrose

last updated 9/27/2023

Onagraceae

Oenothera pallida Lindl.[HC, HC2]

pale evening-primrose

last updated 9/27/2023

Onagraceae

Oenothera glazioviana Micheli[HC2, JPM2]

red-sepal evening-primrose

last updated 9/27/2023

Onagraceae

Oenothera flava (A. Nelson) Garrett[HC, HC2]

long-tubed evening primrose

last updated 9/27/2023

Onagraceae

Oenothera elata Kunth[HC2]

Hooker's evening primrose

last updated 9/27/2023

Onagraceae

Oenothera curtiflora W.L. Wagner & Hoch[HC2, JPM2]

small-flowered gaura, velvet weed

last updated 9/27/2023

Onagraceae

Neoholmgrenia hilgardii (Greene) W.L. Wagner & Hoch[HC2, JPM2]

Hilgard's suncup

last updated 9/26/2023

Onagraceae

Neoholmgrenia andina (Nutt.) W.L. Wagner & Hoch[HC2, JPM2]

blackfoot river suncup, obscure suncup

last updated 9/26/2023

Onagraceae

Ludwigia peploides (Kunth) P.H. Raven ssp. montevidensis (Spreng.) P.H. Raven[HC2]

floating primrose-willow

last updated 9/26/2023

Onagraceae

Ludwigia peploides (Kunth) P.H. Raven[HC2]

floating primrose-willow

last updated 9/26/2023

Onagraceae

Gayophytum ramosissimum Torr. & A. Gray[HC, HC2, JPM]

pinyon groundsmoke

last updated 9/25/2023

Onagraceae

Gayophytum racemosum Torr. & A. Gray[HC, HC2, JPM]

black-foot groundsmoke, racemose groundsmoke

last updated 9/25/2023

Onagraceae

Gayophytum humile Juss.[HC, HC2, JPM]

dwarf groundsmoke

last updated 9/25/2023

Onagraceae

Gayophytum heterozygum F.H. Lewis & Szweyk.[HC2, JPM]

zigzag groundsmoke

last updated 9/25/2023

Onagraceae

Gayophytum diffusum Torr. & A. Gray[HC, HC2]

spreading groundsmoke

last updated 9/25/2023

Onagraceae

Gayophytum decipiens F.H. Lewis & Szweyk.[HC, HC2, JPM]

deceptive groundsmoke

last updated 9/25/2023

Onagraceae

Taraxia subacaulis (Pursh) Rydb.[HC2, JPM2]

long-leaf evening-primrose

last updated 9/24/2023

Onagraceae

Taraxia tanacetifolia (Torr. & A. Gray) Piper[HC2, JMP2]

tansy-leaf evening-primrose

last updated 9/24/2023

Onagraceae

Circaea alpina L. ssp. pacifica (Asch. & Magnus) P.H. Raven[HC2, KZ99]

Pacific enchanter's nightshade

last updated 9/24/2023

Onagraceae

Circaea alpina L. ssp. alpina[HC2, KZ99]

dwarf enchanter's nightshade

last updated 9/24/2023

Onagraceae

Circaea alpina L.[HC, HC2]

enchanter's nightshade

last updated 9/24/2023

Onagraceae

Eremothera pygmaea (Douglas) W.L. Wagner & Hoch[HC2, JPM2]

dwarf suncup

last updated 9/24/2023

Onagraceae

Eremothera minor (A. Nelson) W.L. Wagner & Hoch[HC2, JPM2]

small-flowered evening-primrose, green river suncup

last updated 9/24/2023

Cyperaceae

Bolboschoenus fluviatilis (Torr.) Soják[FNA23, HC2]

river bulrush

last updated 9/23/2023

Cyperaceae

Bolboschoenus maritimus (L.) Palla ssp. paludosus (A. Nelson) T. Koyama[FNA23, HC2]

saltmarsh bulrush, seacoast bulrush

last updated 9/23/2023

Cyperaceae

Bolboschoenus maritimus (L.) Palla[FNA23, HC2]

seacoast tuberous bulrush

last updated 9/23/2023

Cyperaceae

Isolepis setacea (L.) R. Br.[FNA23, HC2]

Eurasian bulrush, bristle-leaf sedge

last updated 9/23/2023

Cyperaceae

Isolepis cernua (Vahl) Roem. & Schult.[FNA23, HC2]

low club-rush

last updated 9/23/2023

Plantaginaceae

Penstemon glandulosus Douglas var. chelanensis (D.D. Keck) Cronquist[HC, HC2]

sticky-stem penstemon

last updated 9/23/2023

Plantaginaceae

Penstemon glandulosus Douglas var. glandulosus[HC, HC2]

sticky-stem penstemon

last updated 9/23/2023

Plantaginaceae

Penstemon glandulosus Douglas[HC, HC2]

glandular penstemon

last updated 9/23/2023

Brassicaceae

Thlaspi arvense L.[FNA7, HC, HC2]

fanweed, field pennycress

last updated 9/21/2023

Brassicaceae

Thysanocarpus curvipes Hook.[FNA7, HC, HC2]

sand fringepod, lacepod

last updated 9/21/2023

Brassicaceae

Physaria oregona S. Watson[FNA7, HC2]

Oregon twinpod

last updated 9/21/2023

Brassicaceae

Physaria geyeri (Hook.) A. Gray ssp. geyeri[FNA7, HC2]

double bladderpod, Geyer's twinpod bladderpod, Geyer's twinpod

last updated 9/21/2023

Brassicaceae

Physaria geyeri (Hook.) A. Gray[FNA7, HC, HC2]

Geyer's twinpod

last updated 9/21/2023

Brassicaceae

Physaria douglasii (S. Watson) O’Kane & Al-Shehbaz ssp. tuplashensis (Rollins, K.A. Beck & Caplow) O’Kane & Al-Shehbaz[FNA7, HC2]

White Bluffs bladderpod

last updated 9/21/2023

Brassicaceae

Physaria douglasii (S. Watson) O’Kane & Al-Shehbaz ssp. douglasii[FNA7, HC2]

Douglas's bladderpod

last updated 9/21/2023

Brassicaceae

Physaria douglasii (S. Watson) O’Kane & Al-Shehbaz[FNA7, HC2]

Columbia bladderpod, Douglas' bladderpod

last updated 9/21/2023

Polemoniaceae

Navarretia tagetina Greene[HC, HC2]

marigold navarretia, northern navarretia, marigold pincushion-plant

last updated 9/19/2023

Polemoniaceae

Navarretia linearifolia (Howell) L. A. Johnson ssp. linearifolia[HC2]

linear-leaved navarretia, linear-leaved pincushion-plant

last updated 9/19/2023

Polemoniaceae

Navarretia linearifolia (Howell) L. A. Johnson[HC2]

linear-leaved navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia leucocephala Benth. ssp. minima (Nutt.) A.G. Day[HC2, JPM]

least navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia leucocephala Benth. ssp. diffusa Bjork[HC2]

diffuse navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia leucocephala Benth.[HC2]

least navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia intertexta (Benth.) Hook.[HC, HC2]

needle-leaf navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia divaricata Greene ssp. divaricata[HC2, JPM2]

mountain navarretia

last updated 9/19/2023

Polemoniaceae

Navarretia divaricata Greene[HC, HC2]

divaricate navarretia, mountain navarretia, divaricate pincushion-plant, mountain pincushion-plant

last updated 9/19/2023

Potamogetonaceae

Zannichellia palustris L.[FNA22, HC, HC2]

horned pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton strictifolius A. Benn.[FNA22, HC2]

narrowleaf pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton robbinsii Oakes[FNA22, HC, HC2]

fern pondweed, Robbin's pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton richardsonii (A. Benn.) Rydb.[FNA22, HC, HC2]

clasping-leaved pondweed, Richardson's pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton praelongus Wulfen[FNA22, HC, HC2]

white-stalked pondweed, whitestem pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton obtusifolius Mertens & W.D.J. Koch[FNA22, HC, HC2]

blunt-leaved pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton nodosus Poir.[FNA22, HC, HC2]

loddon's pondweed, long-leaved pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton natans L.[FNA22, HC, HC2]

floating pondweed, floating-leaved pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton zosteriformis Fernald[FNA22, HC, HC2]

eel-grass pondweed, flat-stem pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton illinoensis Morong[FNA22, HC, HC2]

illinois pondweed

last updated 9/17/2023

Potamogetonaceae

Potamogeton gramineus L.[FNA22, HC, HC2]

grassy pondweed, variable pondweed

last updated 9/17/2023