Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Updated On

Fagaceae

Chrysolepis chrysophylla (Douglas ex Hook.) Hjelmq.[FNA3, HC2]

giant chinquapin, golden chinquapin

last updated 5/30/2020

Ericaceae

Rhododendron groenlandicum (Oeder) Kron & Judd[FNA8, HC2]

bog Labrador-tea, rusty Labrador-tea

last updated 5/30/2020

Poaceae

Achnatherum lemmonii (Vasey) Barkworth ssp. lemmonii[FNA24, HC2]

last updated 5/30/2020

Poaceae

Achnatherum lemmonii (Vasey) Barkworth[HC2]

Lemmon's needlegrass

last updated 5/30/2020

Geraniaceae

Erodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium[HC2]

redstem stork's-bill

last updated 5/30/2020

Geraniaceae

Erodium cicutarium (L.) L'Hér. ex Aiton[HC, HC2]

common stork's-bill, redstem

last updated 5/30/2020

Asteraceae

Hieracium aurantiacum L.[FNA19, HC, HC2]

orange hawkweed

last updated 5/30/2020

Polygonaceae

Polygonum spergulariiforme Meisn. ex Small[FNA5, HC2]

fall knotweed, spurry knotweed

last updated 5/30/2020

Polygonaceae

Polygonum parryi Greene[FNA5, HC, HC2]

Parry's knotweed, prickly knotweed

last updated 5/30/2020

Polygonaceae

Polygonum patulum M. Bieb.[FNA5, HC2]

last updated 5/30/2020

Polygonaceae

Polygonum californicum Meisn.[FNA5, HC, HC2]

California knotweed

last updated 5/30/2020

Polygonaceae

Persicaria orientalis (L.) Spach[FNA5, HC2]

Kiss-me-over-the-garden-gate, princess-feather

last updated 5/30/2020

Polygonaceae

Eriogonum compositum Douglas ex Benth. var. leianthum Hook.[FNA5, HC, HC2]

smooth arrow-leaf wild buckwheat

last updated 5/30/2020

Polygonaceae

Eriogonum compositum Douglas ex Benth. var. lancifolium H. St. John & F.A. Warren[FNA5, HC, HC2]

wild buckwheat

last updated 5/30/2020

Polygonaceae

Eriogonum compositum Douglas ex Benth. var. compositum[FNA5, HC, HC2]

northern buckwheat

last updated 5/30/2020

Polygonaceae

Eriogonum compositum Douglas ex Benth.[FNA5, HC, HC2]

arrow-leaf buckwheat, northern buckwheat

last updated 5/30/2020

Liliaceae

Erythronium quinaultense G.A. Allen[FNA26, HC2]

Olympic fawn-lily, Quinault trout-lily

last updated 5/30/2020

Rosaceae

Oemleria cerasiformis (Torr. & A. Gray ex Hook. & Arn.) J.W. Landon[HC, HC2]

oso-berry, Indian plum

last updated 5/30/2020

Asparagaceae

Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) LaFrankie[FNA26, HC2]

plumed Solomon's seal, plumed spikenard

last updated 5/29/2020

Asparagaceae

Maianthemum racemosum (L.) Link[FNA26, HC2]

large false Solomon's seal, false spikenard

last updated 5/29/2020

Asparagaceae

Maianthemum dilatatum (Alph. Wood) A. Nelson & J.F. Macbr.[FNA26, HC, HC2]

wild lily-of-the-valley, may-lily, two-leaf false Solomon's-seal

last updated 5/29/2020

Amaryllidaceae

Allium nevii S. Watson[FNA26, HC2]

Nevius's garlic, Nevius's onion

last updated 5/29/2020

Asteraceae

Antennaria pulcherrima (Hook.) Greene[FNA19, HC, HC2]

showy pussytoes

last updated 5/29/2020

Asteraceae

Antennaria parvifolia Nutt.[FNA19, HC, HC2]

little-leaf pussytoes, Nuttall's pussytoes

last updated 5/29/2020

Asteraceae

Antennaria microphylla Rydb.[FNA19, HC, HC2]

little-leaf pussytoes, rosy pussytoes, white pussytoes

last updated 5/29/2020

Asteraceae

Antennaria media Greene[FNA19, HC2]

alpine pussytoes, Rocky Mountain pussytoes

last updated 5/29/2020

Asteraceae

Antennaria luzuloides Torr. & A. Gray ssp. luzuloides[FNA19, HC2]

silvery brown pussytoes, woodrush pussytoes

last updated 5/29/2020

Asteraceae

Antennaria luzuloides Torr. & A. Gray[FNA19, HC, HC2]

silvery-brown pussytoes, woodrush pussytoes

last updated 5/29/2020

Asteraceae

Antennaria lanata (Hook.) Greene[FNA19, HC, HC2]

woolly pussytoes

last updated 5/29/2020

Asteraceae

Antennaria howellii Greene ssp. neodioica (Greene) R.J. Bayer[FNA19, HC2]

northern pussytoes

last updated 5/29/2020

Asteraceae

Antennaria howellii Greene ssp. howellii[FNA19, HC2]

Howell's pussytoes

last updated 5/29/2020

Asteraceae

Antennaria howellii Greene[FNA19, HC2]

Howell's pussytoes

last updated 5/29/2020

Asteraceae

Antennaria geyeri A. Gray[FNA19, HC, HC2]

Geyer's pussytoes, pinewoods pussytoes

last updated 5/29/2020

Asteraceae

Antennaria flagellaris (A. Gray) A. Gray[FNA19, HC, HC2]

stoloniferous pussytoes, whip pussytoes

last updated 5/29/2020

Fabaceae

Lupinus lepidus Douglas ex Lindl.[HC, HC2]

prairie lupine

last updated 5/29/2020

Polygonaceae

Chorizanthe watsonii Torr. & A. Gray[FNA5, HC, HC2]

five-tooth spineflower, Watson's spineflower

last updated 5/28/2020

Caryophyllaceae

Moenchia erecta (L.) P. Gaertn., B. Mey. & Scherbius[FNA5, HC2]

upright chickweed

last updated 5/28/2020

Caryophyllaceae

Sagina procumbens L.[FNA5, HC, HC2]

bird-eye pearlwort

last updated 5/28/2020

Caryophyllaceae

Sagina saginoides (L.) H. Karsten[FNA5, HC, HC2]

alpine pearlwort, arctic pearlwort

last updated 5/28/2020

Primulaceae

Lysimachia ciliata L.[FNA8, HC, HC2]

fringed yellow-loosestrife

last updated 5/28/2020

Ericaceae

Chimaphila umbellata (L.) W.P.C. Barton ssp. umbellata[FNA8, HC2]

Pipsissewa, common prince's-pine

last updated 5/28/2020

Ericaceae

Chimaphila umbellata (L.) W.P.C. Barton[FNA8, HC, HC2]

common Pipsissewa, prince's-pine

last updated 5/28/2020

Onagraceae

Epilobium lactiflorum Hausskn.[HC2, JPM2]

white-flower willow-herb

last updated 5/28/2020

Plantaginaceae

Veronica americana Schwein. ex Benth.[HC, HC2]

American brooklime, American speedwell

last updated 5/28/2020

Brassicaceae

Physaria alpestris Suksd.[FNA7, HC, HC2]

alpine twinpod, Washington twinpod

last updated 5/28/2020

Asteraceae

Antennaria dimorpha (Nutt.) Torr. & A. Gray[FNA19, HC, HC2]

cushion pussytoes, low pussytoes

last updated 5/27/2020

Asteraceae

Antennaria corymbosa E.E. Nelson[FNA19, HC, HC2]

flat topped pussytoes, meadow pussytoes

last updated 5/27/2020

Asteraceae

Antennaria anaphaloides Rydb.[FNA19, HC, HC2]

tall pussytoes

last updated 5/27/2020

Asteraceae

Antennaria alpina (L.) Gaertn.[FNA19, HC, HC2]

alpine pussytoes

last updated 5/27/2020

Asteraceae

Antennaria alpina (L.) Gaertn.[FNA19, HC, HC2]

alpine pussytoes

last updated 5/27/2020

Asteraceae

Anisocarpus madioides Nutt.[FNA21, HC2]

woodland tarplant, woodland tarweed

last updated 5/27/2020

Geraniaceae

Geranium ×oxonianum Yeo[HC2]

crane's-bill

last updated 5/27/2020

Poaceae

Aira caryophyllea L. var. caryophyllea[FNA24, HC2]

silver hairgrass

last updated 5/26/2020

Poaceae

Aira caryophyllea L.[HC, HC2]

silver hairgrass

last updated 5/26/2020

Boraginaceae

Amsinckia intermedia Fisch. & C.A. Mey.[HC, HC2]

fireweed fiddleneck, rancher's fiddleneck

last updated 5/26/2020

Boraginaceae

Cryptantha simulans Greene[HC, HC2]

pine woods cat's-eye, pine woods cryptantha

last updated 5/26/2020

Boraginaceae

Cryptantha rostellata (Greene) Greene[HC, HC2]

beaked cryptantha

last updated 5/26/2020

Boraginaceae

Cryptantha grandiflora Rydb.[Draft FNA, HC2]

large-flowered cryptantha

last updated 5/26/2020

Boraginaceae

Cryptantha fendleri (A. Gray) Greene[HC, HC2]

sand dune cat's-eye, Fendler's cryptantha

last updated 5/26/2020

Asteraceae

Ambrosia trifida L.[FNA21, HC, HC2]

giant ragweed

last updated 5/26/2020

Asteraceae

Ambrosia psilostachya DC.[FNA21, HC, HC2]

perennial ragweed, western ragweed

last updated 5/26/2020

Asteraceae

Ambrosia artemisiifolia L.[FNA21, HC, HC2]

annual ragweed, common ragweed

last updated 5/26/2020

Asteraceae

Ambrosia acanthicarpa Hook.[FNA21, HC, HC2]

flat spine bur-ragweed, annual bursage, bur ragweed

last updated 5/26/2020

Asteraceae

Agoseris retrorsa (Benth.) Greene[FNA19, HC, HC2]

spear leaved agoseris, spear leaf goat-chicory

last updated 5/26/2020

Asteraceae

Agoseris monticola Greene[FNA19, HC2]

mountain agoseris, Sierra Nevada agoseris

last updated 5/26/2020

Asteraceae

Agoseris heterophylla (Nutt.) Greene var. heterophylla[FNA19, HC, HC2]

last updated 5/26/2020

Asteraceae

Agoseris heterophylla (Nutt.) Greene[FNA19, HC, HC2]

annual agoseris

last updated 5/26/2020

Asteraceae

Agoseris grandiflora (Nutt.) Greene var. leptophylla G.I. Baird[FNA19, HC2]

Puget Sound agoseris

last updated 5/26/2020

Asteraceae

Agoseris grandiflora (Nutt.) Greene var. grandiflora[FNA19, HC2]

large flowered agoseris, large flower goat-chicory

last updated 5/26/2020

Asteraceae

Agoseris grandiflora (Nutt.) Greene[FNA19, HC, HC2]

large-flowered agoseris

last updated 5/26/2020

Papaveraceae

Dicentra cucullaria (L.) Bernh.[FNA3, HC, HC2]

Dutchman's-breeches

last updated 5/26/2020

Boraginaceae

Cryptantha gracilis Osterh.[HC2, JPM]

narrow-stem cryptantha, slender cryptantha

last updated 5/25/2020

Boraginaceae

Buglossoides arvensis (L.) I.M. Johnst.[HC2]

corn gromwell, field gromwell

last updated 5/25/2020

Boraginaceae

Amsinckia lycopsoides Lehm.[HC, HC2]

bugloss fiddleneck, tarweed fiddleneck

last updated 5/25/2020

Saxifragaceae

Lithophragma tenellum Nutt.[FNA8, HC2]

slender prairie star, slender woodland star

last updated 5/25/2020

Saxifragaceae

Lithophragma parviflorum (Hook.) Nutt.[FNA8, HC2]

small-flower prairie star, small-flower woodland star

last updated 5/25/2020

Saxifragaceae

Lithophragma glabrum Nutt.[FNA8, HC2]

bulbiferous prairie star, bulbous woodland star

last updated 5/25/2020

Asteraceae

Layia glandulosa (Hook.) Hook. & Arn.[FNA21, HC, HC2]

white layia, white daisy tidytips

last updated 5/25/2020

Asteraceae

Blepharipappus scaber Hook.[FNA21, HC, HC2]

blepharipappus, rough eyelashweed

last updated 5/25/2020

Rosaceae

Crataegus gaylussacia A. Heller[FNA9, HC2]

huckleberry hawthorn, Suksdorf's hawthorn

last updated 5/25/2020

Rosaceae

Agrimonia eupatoria L.[HC2]

last updated 5/25/2020

Rosaceae

Crataegus monogyna Jacq. var. monogyna[FNA9, HC2]

common hawthorn, English hawthorn, one-seeded hawthorn

last updated 5/25/2020

Rosaceae

Crataegus monogyna Jacq.[HC, HC2]

common hawthorn, one-seed hawthorn

last updated 5/25/2020

Brassicaceae

Boechera atrorubens (Suksd. ex Greene) Windham & Al-Shehbaz[FNA7, HC2]

dark-red-flowered rockcress

last updated 5/25/2020

Asteraceae

Madia exigua (Sm.) A. Gray[FNA21, HC, HC2]

threadstem madia, little tarplant, little tarweed

last updated 5/25/2020

Nymphaeaceae

Nuphar polysepala Engelm.[FNA3, HC2]

yellow pond lily, spatterdock

last updated 5/25/2020

Caprifoliaceae

Symphoricarpos rotundifolius A. Gray var. vaccinioides (Rydb.) A. Nelson[HC2]

mountain snowberry

last updated 5/25/2020

Caprifoliaceae

Symphoricarpos rotundifolius A. Gray[HC2]

mountain snowberry

last updated 5/25/2020

Caprifoliaceae

Symphoricarpos mollis Nutt. var. hesperius (G.N. Jones) Cronquist[HC, HC2]

creeping snowberry, spreading snowberry

last updated 5/25/2020

Caprifoliaceae

Symphoricarpos mollis Nutt.[HC, HC2]

creeping snowberry

last updated 5/25/2020

Salicaceae

Salix scouleriana Barratt ex Hook.[FNA7, HC, HC2]

Scouler's willow

last updated 5/25/2020

Asteraceae

Crepis barbigera Leiberg ex Coville[FNA19, HC, HC2]

bearded hawksbeard

last updated 5/25/2020

Asteraceae

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

last updated 5/25/2020

Asteraceae

Arnica cordifolia Hook.[FNA21, HC, HC2]

heart-leaf arnica, heart-leaf leopardbane

last updated 5/25/2020

Boraginaceae

Lithospermum ruderale Douglas ex Lehm.[HC, HC2]

last updated 5/25/2020

Caryophyllaceae

Silene latifolia Poir.[FNA5, HC2]

white campion, evening catchfly

last updated 5/25/2020

Caryophyllaceae

Silene oregana S. Watson[FNA5, HC, HC2]

Oregon catchfly

last updated 5/25/2020

Rubiaceae

Galium serpenticum Dempster[HC2, JPM]

intermountain bedstraw

last updated 5/25/2020

Saxifragaceae

Cascadia nuttallii (Small) A.M. Johnson[FNA8, HC2]

Nuttall's saxifrage

last updated 5/24/2020

Asteraceae

Cirsium arvense (L.) Scop.[FNA19, HC, HC2]

creeping thistle

last updated 5/24/2020