Washington Flora Checklist

Family

Taxon (native taxa in boldface)

Common Names

Updated On

Ericaceae

Arbutus unedo L.[HC2]

strawberry tree

last updated 3/25/2020

Brassicaceae

Arabis caucasica Willd.[FNA7, HC2]

mountain rockcress

last updated 3/15/2020

Violaceae

Viola pluviae Marcussen, H.E.Ballard & Blaxland

rain violet

last updated 3/11/2020

Plantaginaceae

Plantaginaceae [HC, HC2]

Mare's-Tail Family, Plantain Family, Water-Starwort Family

last updated 3/7/2020

Campanulaceae

Campanula medium L.[HC, HC2]

Canterbury bells

last updated 3/6/2020

Amaranthaceae

Amaranthus [FNA4, HC, HC2]

amaranth, pigweed

last updated 2/24/2020

Asteraceae

Packera contermina (Greenm.) J.F. Bain[FNA20, HC2]

dwarf arctic butterweed

last updated 2/24/2020

Asteraceae

Packera cymbalaria (Pursh) W.A. Weber & Á. Löve[FNA20]

northern butterweed, dwarf arctic groundsel, dwarf arctic ragwort

last updated 2/24/2020

Asteraceae

Packera cymbalaria (Pursh) W.A. Weber & Á. Löve[FNA]

northern butterweed, dwarf arctic groundsel, dwarf arctic ragwort

last updated 2/24/2020

Saxifragaceae

Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser.[FNA8, HC, HC2]

leatherleaf saxifrage

last updated 2/9/2020

Polygonaceae

Rheum rhabarbarum L.[FNA5]

rhubarb

last updated 2/6/2020

Asteraceae

Grindelia integrifolia DC.[FNA20, HC, HC2]

Puget Sound gumweed, Willamette Valley gumweed

last updated 1/26/2020

Dipsacaceae

Dipsacus fullonum L.[FNA, JPM2]

teasel

last updated 1/23/2020

Geraniaceae

Geranium dalmaticum (Beck) Rech.f.

Dalmatian crane's-bill

last updated 1/16/2020

Apiaceae

Oenanthe sarmentosa C. Presl ex DC.[HC, HC2, JPM, VPBC1]

oenanthe, Pacific water-dropwort, American water-parsley, Pacific water-parsley

last updated 1/1/2020

Dryopteridaceae

Dryopteris carthusiana (Vill.) H.P. Fuchs[FNA2, HC2]

spinulose wood-fern, toothed wood-fern

last updated 10/26/2019

Dryopteridaceae

Dryopteris arguta (Kaulf.) Maxon[FNA2, HC, HC2]

coastal fern, marginal wood fern

last updated 10/26/2019

Blechnaceae

Struthiopteris spicant (L.) Weiss[Abrams, HC2]

deer fern

last updated 10/19/2019

Aspleniaceae

Asplenium trichomanes L.[FNA2, HC, HC2]

maidenhair spleenwort

last updated 10/8/2019

Amaryllidaceae

Amaryllidaceae [HC2]

Amaryllis Family

last updated 10/5/2019

Amaranthaceae

Dysphania botrys (L.) Mosyakin & Clemants[FNA4, HC2]

Jerusalem oak goosefoot, Jerusalem oak

last updated 10/5/2019

Montiaceae

Claytonia multiscapa Rydb.[FNA4, HC2]

Rydberg's springbeauty

last updated 10/3/2019

Onagraceae

Oenothera biennis L.[HC2, JPM2]

King's-cureall

last updated 10/3/2019

Asteraceae

Arnica rydbergii Greene[FNA21, HC, HC2]

Rydberg's arnica, subalpine arnica, subalpine leopardbane

last updated 9/5/2019

Juncaceae

Juncus canadensis J. Gay ex Laharpe[FNA22, HC2]

Canadian rush

last updated 9/4/2019

Rosaceae

Potentilla jepsonii Ertter var. kluanensis Ertter

Kluane cinquefoil

last updated 8/20/2019

Brassicaceae

Hirschfeldia incana (L.) Lagr.-Foss.[FNA7, HC2]

Mediterranean hoary mustard, short-podded mustard, summer mustard

last updated 8/20/2019

Asteraceae

Erigeron howellii (A. Gray) A. Gray[FNA20, HC, HC2]

Howell's fleabane

last updated 8/19/2019

Pteridaceae

Cryptogramma cascadensis E.R. Alverson[FNA2, HC2]

Cascades parsley-fern, Cascades rock-brake

last updated 7/22/2019

Typhaceae

Typha angustifolia L.[FNA22, HC, HC2]

narrow-leaf cat-tail

last updated 7/8/2019

Montiaceae

Lewisia triphylla (S. Watson) B.L. Rob.[FNA4, HC, HC2]

three leaf bitterroot, three leaf lewisia

last updated 6/26/2019

Resedaceae

Reseda luteola L.[FNA7, HC, HC2]

yellow dye, Dyer's rocket, weld

last updated 6/4/2019

Crassulaceae

Sedum acre L.[FNA8, HC, HC2]

mossy stonecrop

last updated 5/27/2019

Saxifragaceae

Saxifragaceae [FNA8, HC, HC2]

Saxifrage Family

last updated 5/23/2019

Thelypteridaceae

Thelypteridaceae [FNA2, HC2]

Maiden Fern Family

last updated 5/20/2019

Athyriaceae

Athyrium distentifolium Tausch ex Opiz[HC, HC2]

alpine lady-fern

last updated 5/19/2019

Lentibulariaceae

Utricularia intermedia Hayne[HC, HC2]

flat-leaved bladderwort, mountain bladderwort

last updated 5/17/2019

Cyperaceae

Carex amplifolia Boott[FNA23, HC, HC2, SPNW]

big-leaf sedge

last updated 5/15/2019

Plantaginaceae

Collinsia rattanii A. Gray[HC, HC2]

Rattan collinsia

last updated 5/14/2019

Iridaceae

Sisyrinchium idahoense E.P. Bicknell[FNA26, HC2]

Idaho blue-eyed grass

last updated 4/8/2019

Vitaceae

Vitis labrusca L.[HC2]

fox grape-vine

last updated 4/8/2019

Cyperaceae

Eleocharis atropurpurea (Retz.) J. Presl & C. Presl[FNA23, HC, HC2]

purple spikerush

last updated 3/19/2019

Ranunculaceae

Ranunculus pygmaeus Wahlenb.[FNA3, HC, HC2]

dwarf buttercup

last updated 3/15/2019

Ranunculaceae

Ranunculus pensylvanicus L. f.[FNA3, HC, HC2]

Pennsylvania buttercup

last updated 3/15/2019

Ranunculaceae

Caltha palustris L.[FNA3, HC2]

yellow marsh-marigold

last updated 3/14/2019

Ranunculaceae

Aquilegia vulgaris L.[FNA3, HC2]

European Columbine

last updated 3/14/2019

Ranunculaceae

Delphinium ×burkei Greene[FNA3, HC, HC2]

Burke's larkspur

last updated 3/13/2019

Ranunculaceae

Ranunculus abortivus L.[FNA3, HC, HC2]

kidney-leaf buttercup

last updated 3/9/2019

Boraginaceae

Adelinia [HC2]

Adeline

last updated 2/21/2019

Ericaceae

Vaccinium uliginosum L.[FNA8, HC, HC2]

bog bilberry, bog blueberry

last updated 2/19/2019

Berberidaceae

Berberis julianae C.K. Schneid.[HC2]

wintergreen barberry

last updated 2/6/2019

Poaceae

Festuca washingtonica E.B. Alexeev[FNA24, HC2]

Washington fescue

last updated 1/14/2019

Onagraceae

Onagraceae [HC, HC2, JPM, JPM2]

Evening-Primrose Family

last updated 1/12/2019

Ophioglossaceae

Botrychium campestre W.H. Wagner & Farrar var. lineare (W.H. Wagner) Farrar

narrow-leaf grapefern, slender moonwort

last updated 12/9/2018

Lycopodiaceae

Lycopodiaceae [FNA2, HC, HC2]

Club-Moss Family

last updated 12/9/2018

Rosaceae

Rosa nutkana C. Presl ssp. nutkana × Rosa rugosa Thunb.

last updated 10/31/2018

Colchicaceae

Colchicum

last updated 8/21/2018

Colchicaceae

last updated 8/21/2018

Plantaginaceae

Bacopa [HC, HC2]

water-hyssop

last updated 8/18/2018

Lamiaceae

Agastache urticifolia (Benth.) Kuntze var. urticifolia[HC2]

nettle-leaf giant-hyssop

last updated 8/15/2018

Orobanchaceae

Aphyllon uniflorum (L.) Torr. & A. Gray[HC2]

naked broom-rape, naked broomrape

last updated 8/15/2018

Ranunculaceae

Arcteranthis [HC2]

false-buttercup

last updated 8/15/2018

Ericaceae

Arctostaphylos nevadensis A. Gray × Arctostaphylos patula Greene

last updated 8/15/2018

Asteraceae

Askellia [HC2]

elegant hawksbeard

last updated 8/15/2018

Athyriaceae

Athyriaceae [HC2]

Lady Fern Family

last updated 8/15/2018

Caryophyllaceae

Atocion [HC2]

catchfly

last updated 8/15/2018

Brassicaceae

Aubrieta [FNA7, HC2]

last updated 8/15/2018

Garryaceae

Aucuba [HC2]

last updated 8/15/2018

Betulaceae

Betula pubescens Ehrh. ssp. pubescens[FNA3, HC2]

last updated 8/15/2018

Ophioglossaceae

Botrypus [HC2]

rattlesnake-fern

last updated 8/15/2018

Poaceae

Bromus sitchensis Trin. var. sitchensis[HC, HC2]

Sitka brome

last updated 8/15/2018

Ericaceae

Calluna [FNA8, HC2]

Scotch heather

last updated 8/15/2018

Rhamnaceae

Ceanothus prostratus Benth. var. prostratus[HC2]

last updated 8/15/2018

Rosaceae

Chaenomeles [HC2]

last updated 8/15/2018

Amaranthaceae

Chenopodiastrum [HC2]

goosefoot

last updated 8/15/2018

Asteraceae

Coreopsis grandiflora Hogg ex Sweet[FNA21, HC2]

bigleaf tickseed

last updated 8/15/2018

Asteraceae

Coreopsis grandiflora Hogg ex Sweet × Coreopsis lanceolata L.[HC2]

last updated 8/15/2018

Rosaceae

Cotoneaster atropurpureus Flinck & B. Hylmö[HC2]

purple-flowering cotoneaster

last updated 8/15/2018

Rosaceae

Cotoneaster dammeri C.K. Schneid. × Cotoneaster salicifolius Franch.[HC2]

last updated 8/15/2018

Rosaceae

Cotoneaster ×suecicus G. Klotz[HC2]

last updated 8/15/2018

Cucurbitaceae

Cucurbita [HC2]

last updated 8/15/2018

Primulaceae

Cyclamen [HC2]

cyclamen, sowbread

last updated 8/15/2018

Cyperaceae

Cyperus lupulinus (Spreng.) Marcks × Cyperus schweinitzii Torr.[HC2]

last updated 8/15/2018

Cystopteridaceae

Cystopteridaceae [HC2]

Fragile Fern Family

last updated 8/15/2018

Lycopodiaceae

Dendrolycopodium [HC2]

tree-clubmoss

last updated 8/15/2018

Caryophyllaceae

Dichodon [HC2]

mouse-ear chickweed

last updated 8/15/2018

Lycopodiaceae

Diphasiastrum [FNA2, HC2]

clubmoss

last updated 8/15/2018

Brassicaceae

Diplotaxis [FNA7, HC, HC2]

wall rocket

last updated 8/15/2018

Araceae

Dracunculus [HC2]

last updated 8/15/2018

Cyperaceae

Eleocharis geniculata (L.) Roem. & Schult.[FNA23, HC2]

capitate spike-rush

last updated 8/15/2018

Saxifragaceae

Elmera racemosa (S. Watson) Rydb. var. puberulenta C.L. Hitchc.[HC, HC2]

fuzzy elmera

last updated 8/15/2018

Saxifragaceae

Elmera racemosa (S. Watson) Rydb. var. racemosa[HC, HC2]

common elmera

last updated 8/15/2018

Onagraceae

Epilobium montanum L.[HC2]

broad-leaved willow-herb

last updated 8/15/2018

Celastraceae

Euonymus fortunei (Turcz.) Hand.-Maz.[HC2]

last updated 8/15/2018

Rosaceae

Fragaria ×ananassa (Weston) Duchesne ex Rozier ssp. ananassa[HC2]

last updated 8/15/2018

Geraniaceae

Geranium pyrenaicum Burm. f. ssp. pyrenaicum[FNA, HC2]

last updated 8/15/2018

Malvaceae

Gossypium [HC2]

last updated 8/15/2018

Poaceae

Graphephorum [HC2]

graphephorum

last updated 8/15/2018

Boraginaceae

Greeneocharis [HC2]

Greeneocharis

last updated 8/15/2018

Boraginaceae

Greeneocharis circumscissa (Hook. & Arn.) Rydb. var. circumscissa[HC2]

last updated 8/15/2018