Vascular Plants

Includes all flowering plants, conifers, ferns and fern-allies.


Browse by scientific name:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Scientific names beginning with G:
Gaillardia aristatablanket flower, great-flowered gaillardia
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: May-September
Growth Duration: Perennial
Galanthus nivalissnowdrops
Distribution: Occurring chiefly west of the Cascades crest in Washington; southwestern British Columbia to Washington;
Habitat: Abandoned gardens, roadsides, open forests, forest edge, often where disturbed.
Origin: Introduced from Europe
Flowers: February-March
Growth Duration: Perennial
Galega officinalisprofessor-weed
Distribution: Occurring west of the Cascades crest in Washington; occurring in scattered locations throughout North America, though not along the southern border.
Habitat: Disturbed areas including wastelots, roadsides, and fields; noxious.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Perennial
Galeopsis bifidabifid hemp nettle
Distribution: Occurring east of the Cascades crest, where known from Kittitas County in Washington; Alaska to Washington, east across the northern U.S. and Canada to Atlantic Coast.
Habitat: Disturbed areas, roadsides, and irrigation channels.
Origin: Introduced from Eurasia
Flowers: July-August
Growth Duration: Perennial
Galeopsis tetrahitcommon hemp nettle
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to Montana, east across Canada and parts of midwestern U.S. to the Atlantic Coast.
Habitat: Disturbed meadows, roadsides, forest edge, and other moist places.
Origin: Introduced from Eurasia
Flowers: July-August
Growth Duration: Annual
var. tetrahit – common hemp nettle
var. parviflora – small flowered galinsoga, gallant soldier
Galinsoga quadriradiataciliate galinsoga, shaggy galinsoga, quickweed
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to Washington, east across southern Canada to central and eastern North America.
Habitat: Fields, roadsides, gardens, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Central and South America
Flowers: June-October
Growth Duration: Annual
Galium aparinecommon bedstraw, common cleavers, goose-grass, sticky-willy
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Variety of habitats, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Galium bifoliumtwin-leaf bedstraw
Distribution: Occurring chiefly east of the Cascade crest in Washington; British Columbia to California, east to Colorado.
Habitat: Moist to rather dry areas, foothills to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Annual
Galium borealenorthern bedstraw
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across much of North America; circumboreal.
Habitat: Mesic habitats, from sea level to subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Galium divaricatumLamarck's bedstraw
Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington to California; also in southeastern U.S.
Habitat: Disturbed areas at low elevation.
Origin: Introduced
Flowers: July-September
Growth Duration: Annual
Galium kamtschaticumboreal bedstraw
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Washington, also in eastern Canada; Eurasia.
Habitat: Moist, cold coniferous woods.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Galium mexicanumMexican bedstraw
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Texas.
Habitat: Forest openings, meadows, and open hillsides from low to moderate elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
ssp. asperulum – rough bedstraw
Galium mollugofalse baby's-breath, wild madder
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, Colorado, and Utah; also in eastern North America.
Habitat: Occurring in disturbed soil, waste ground.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
Galium odoratumsweet-scented bedstraw
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon; scattered areas of central and eastern North America.
Habitat: Woodlands at low elevations.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Perennial
Galium oreganumOregon bedstraw
Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington to California.
Habitat: Moist woods and meadows, from sea level to 5000 feet in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Galium palustrecommon marsh bedstraw
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to Oregon, east to Montana; also in central and eastern North America.
Habitat: Disturbed, open areas, often where moist.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Galium serpenticumintermountain bedstraw
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to central Idaho and Nevada.
Habitat: Dry, open, rocky slopes from fairly low to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Galium trifidumsmall bedstraw
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast; circumboreal.
Habitat: Moist places, from sea level to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Galium triflorumfragrant bedstraw, three-flowered bedstraw
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across much of North America.
Habitat: Moist woods, from sea level to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Galium verumlady's bedstraw, yellow spring bedstraw
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Escaping from cultivation to lawns, roadsides, and other open, disturbed areas.
Origin: Introduced from Eurasia
Flowers: May July
Growth Duration: Perennial
Gamochaeta ustulatapurple cudweed, spoon-leaf cudweed
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California.
Habitat: Balds, prairies, fields, and other disturbed open areas at low elevation.
Origin: Native
Flowers: May-October
Growth Duration: Annual, Biennial
Garrya fremontiiFremont's silk tassel bearbrush
Distribution: Along the Columbia River in Washington and Oregon; west side of the Cascades in Lane County, Oregon, south and west to the coastal ranges in California.
Habitat: Woodlands and chaparral, low to moderate elevations.
Origin: Native
Flowers: January-May
Growth Duration: Perennial
Gaultheria hispidulacreeping snowberry
Distribution: Occurring east of the Cascades crest in northeastern Washsington; British Columbia to Washington and Idaho, east across Canada to the Great Lakes region and northeastern North America.
Habitat: Sphagnum bogs and deep coniferous woods.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Gaultheria humifusaalpine wintergreen
Distribution: Occurring on both sides of the Cascades crest In Washington; British Columbia to California, east to the Rocky Mountains from Alberta to Colorado.
Habitat: Subalpine to alpine areas, usually where moist to wet.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Gaultheria ovatifoliawestern teaberry, slender wintergreen
Distribution: Occurring on both sides of the Cascades crest; British Columbia to California, east to Idaho and Montana.
Habitat: Forested areas from fairly dry Ponderosa pine to subalpine bogs.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Gaultheria shallonsalal
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California.
Habitat: Forest understory and edge marine headlands, from sea level to moderate elevation in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Gayophytum decipiensdeceptive groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; north-central Washington to California, east to Montana, Wyoming, and Colorado.
Habitat: Rocky ridges and slopes, meadows, and flats from sagebrush desert to ponderosa pine forest openings.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Gayophytum diffusumspreading groundsmoke
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Dry meadows and open slopes, from lowlands to near timberline.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Gayophytum heterozygumzigzag groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada.
Habitat: Forest openings at low to moderate elevations in the mountains.
Origin: Native
Flowers: June-July
Growth Duration: Annual
Gayophytum humiledwarf groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Wyoming; also known from South America.
Habitat: Open areas at low to middle elevations where soil is seasonally wet.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Gayophytum racemosumblack-foot groundsmoke, racemose groundsmoke
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Open slopes, often where moist early, from the foothills to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Gayophytum ramosissimumpinyon groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; Washington to California and Arizona, east to the Rocky Mountains.
Habitat: Dry foothills and valleys to the lower mountains.
Origin: Native
Flowers: June-July
Growth Duration: Annual
Genista canariensisCanary broom
Distribution: Occurring in a few scattered locations east of the Cascades crest in Washington; Washington and California.
Habitat: Disturbed areas including wastelots and roadsides.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Perennial
Genista tinctoriadyer's greenweed
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Washington, Idaho, and in eastern North America.
Habitat: Roadsides, wastelots, and other disturbed open areas.
Origin: Introduced
Flowers: May-June
Growth Duration: Perennial
Gentiana affinispleated gentian, prairie gentian, Rocky Mtn. gentian
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Damp soil and meadowlands, from the valleys and foothills to well up in the mountains.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Gentiana calycosaexplorer's gentian, mt. bog gentian
Distribution: Occurring on both sides of the Cascades crest in the Cascades, Olympics and Blue Mountains of Washington; British Columbia to California, east to Alberta, Wyoming, and Utah.
Habitat: Subalpine to alpine meadows.
Origin: Native
Flowers: July-October
Growth Duration: Perennial
Gentiana douglasianaswamp gentian
Distribution: Occurring west of the Cascades crest in Washington; Alaska to Washington.
Habitat: Bogs and tundra.
Origin: Native
Flowers: July-September
Growth Duration: Annual
Gentiana glaucaglaucous gentian
Distribution: Ocurring on both sides of the Cascades crest in northern Washington; Alaska to Washington, east to Alberta and Montana.
Habitat: Tundra and alpine meadows.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Gentiana sceptrumKing's gentian, staff gentian
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to northwest California.
Habitat: Bogs and wet places, especially along the coast, at low elevations.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Gentianella amarellanorthern gentian
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist areas, sea level to middle elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Annual, Biennial
ssp. acuta – northern gentian
Geocaulon lividumfalse toad flax
Distribution: Occurring east of the Cascades crest in northern Washington; Alaska to Washington, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Bogs and open woods to lower alpine slopes.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Geranium bicknelliinorthern crane's-bill
Distribution: Occurring on both sides of the Cascades in Washington; Yukon Territory to California, east across Canada and the northern half of the U.S. to the Atlantic Coast.
Habitat: Woodlands or open fields.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial
Geranium carolinianumCarolina geranium
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Woodlands and waste places, tending to be weedy.
Origin: Native
Flowers: April-July
Growth Duration: Annual
Geranium columbinumlong-stalk crane's-bill
Distribution: Chiefly west of the Cascades and along the Columbia River in Washington; British Columbia to California, east to Idaho; also in central and eastern North America.
Habitat: Waste places and disturbed ground.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual
Geranium dalmaticumDalmatian crane's-bill
Origin: Introduced
Geranium dissectumcut-leaf crane's-bill
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California and Nevada; widely distributed in central and eastern North America.
Habitat: Disturbed ground and waste places.
Origin: Introduced from Europe
Flowers: March-July
Growth Duration: Annual, Biennial
Geranium ibericummontane crane's-bill, Spanish crane's-bill, montane geranium, Spanish geranium
Origin: Introduced
Geranium lucidumshining crane's-bill
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California.
Habitat: Disturbed areas such as roadsides and ditches, usually where moist, at low elevations.
Origin: Introduced from Europe
Flowers: Apr-June
Growth Duration: Annual
Geranium molledovefoot geranium
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana, also in the central U.S. and northeastern North America.
Habitat: Disturbed areas including roadsides, moist ground in waste places and lawns, prairies, balds, and forest edge.
Origin: Introduced from Europe
Flowers: April-September
Growth Duration: Annual
Geranium oreganumsticky geranium, western geranium
Distribution: Occurring west of the Cascades crest in southwestern Washington, where known historically; southwestern Washington to northern California.
Habitat: Meadows and woodlands.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Geranium ×oxonianumcrane's-bill
Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington to northwestern Oregon.
Habitat: Disturbed forest understory or edge at low elevations.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Perennial
Geranium purpureumpurple crane's-bill, purple geranium
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California.
Habitat: Roadsides, fields, lawns, wastelots, and other disturbed open areas at low elevation.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Annual
Geranium pusillumsmall-flower crane's-bill
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Moist, waste places.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual, Biennial
Geranium pyrenaicumhedgerow crane's-bill
Origin: Introduced
Geranium robertianumherb-Robert, stinky-Bob
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to California, east to Montana, further east in Canada, the Great Lakes region, and eastern North America.
Habitat: Forest understory and forest edges, riparian zones, and other lowland areas with natural or man-made disturbances.
Origin: Introduced from Europe
Flowers: March-August
Growth Duration: Annual, Biennial
Geranium rotundifoliumround-leaved geranium
Origin: Introduced
Geranium viscosissimumsticky purple crane's-bill, sticky purple geranium
Distribution: Widely distributed east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains..
Habitat: Moist meadows and slopes, and forest openings, from the foothills to the middle elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Geum aleppicumyellow avens
Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east across Canada and the U.S., except the south-central and southeast regions, to the Atlantic Coast.
Habitat: Shores, streams, damp thickets, damp forests, wet meadows, and peatlands.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Geum macrophyllumbigleaf avens, large-leaved avens
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to Baja California, east to the Great Plains and east across Canada to the Atlantic Coast.
Habitat: Common in moist woods and meadows from sea level to subalpine.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
Geum rivalepurple avens, water avens
Distribution: Occurring east of the Cascades crest in the northeastern counties in Washington British Columbia to northeastern Washington, east to the Rocky Mountains, northern Great Plains, Great Lakes region and northeastern North America; circumboreal.
Habitat: Stream banks, lake shores, bogs and wet meadows from middle elevations to the subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Geum rossiiRoss's avens
Distribution: Occurring east of the Cascades crest in the Wenatchee Mountains in Washington; Alaska to California, east to the Rocky Mountains, and eastward across northern Canada to Greenland; also in Far East Russia.
Habitat: Arctic tundra, high gravelly meadows and scree slopes.
Origin: Native
Flowers: June- August
Growth Duration: Perennial
Geum triflorumprairie smoke, old-man's whiskers
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east to the northern Great Plains, and Great Lakes regions.
Habitat: Prairies, balds, and moister places in the sagebrush plains, from the foothills to subalpine ridges.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
Geum urbanumherb-bennet
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Washington to Oregon, east to Idaho and Utah.
Habitat: Disturbed areas in including, roadsides, wastelots, and fields.
Origin: Introduced from Eurasia
Flowers: May-September
Growth Duration: Perennial
Gilia capitatabluehead gilia, globe gilia
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Vancouver Island to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
Growth Duration: Annual
ssp. capitata – bluefield gilia, globe gilia
Gilia inconspicuashy gily-flower
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Gilia sinuatashy gilia, sinuate gilia, rosy gily-flower
Distribution: Occurring east of the Cascades crest in Washington; Washington to southeast California, east to Idaho and Wyoming.
Habitat: Dry, open, and usually sandy places in the foothills and plains.
Origin: Native
Flowers: April-July
Growth Duration: Annual
Githopsis specularioidescommon bluecup
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Dry, open places in the valleys and foothills.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Glechoma hederaceafield balm, creeping Charlie, ground ivy
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Moist woods and thickets, disturbed areas.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Perennial
Gleditsia triacanthoshoney locust
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California, east across North America where native to the central and eastern regions.
Habitat: On edge of riparian zones, typically in areas with some level of disturbance.
Origin: Introduced from central and eastern North America
Flowers: April-June
Growth Duration: Perennial
Glehnia leiocarpaAmerican glehnia
Distribution: Occurring west of the Cascades crest in the coastal counties in Washington; coastal Alaska to coastal northern California.
Habitat: Sandy beaches and dunes along the coast.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Glossopetalon spinescensNevada greasewood, spiny green-bush
Distribution: Occurring east of the Cascades crest in southeastern Washington; Washington to California, east to the Rocky Mountains and Texas.
Habitat: Rocky canyon walls.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
var. aridum – spiny green-bush
Glyceria borealissmall floating mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Swamps, wet meadows, and stream margins, often growing in 1-3 feet of water.
Origin: Native
Flowers: May-October
Growth Duration: Perennial
Glyceria canadensisCanada mannagrass, rattlesnake mannagrass
Distribution: Occurring west of the Cascades crest in Washington; introduced from southwestern British Columbia to northwestern Oregon, native from the Great Plains to eastern North America.
Habitat: Swamps, bogs, lakeshore marshes, and wet forest.
Origin: Introduced from central and eastern North America
Flowers: June-August
Growth Duration: Perennial
var. canadensis – rattlesnake mannagrass
Glyceria declinatalow glyceria, waxy mannagrass
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, scattered eastward across North America.
Habitat: Vernal pools, disturbed wetlands.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Glyceria elatatall mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south on both sides of the Cascades to California, east to Montana and New Mexico.
Habitat: Lake margins, stream banks, moist mountain meadows and other wet areas.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Glyceria fluitanswater mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, also in central and eastern North America.
Habitat: Wetlands.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Perennial
Glyceria grandisAmerican mannagrass, reed mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Sloughs, damp meadows and stream borders.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
var. grandis – reed mannagrass
Glyceria leptostachyaslender-spike mannagrass
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California.
Habitat: Swamps, margins of streams and lakes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Glyceria maximatall mannagrass
Distribution: Occurring west of the Cascades crest in Washington; Alaska to Washiington; also in eastern North America.
Habitat: Swamps, pond and lake margins.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Perennial
Glyceria ×occidentalisnorthwestern mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho.
Habitat: Lakes, ponds, streams, and marshy areas.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Glyceria striatafowl mannagrass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Wet places, bogs, and mountain meadows.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Glycyrrhiza lepidotaAmerican licorice, wild licorice
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Ontario and Texas.
Habitat: Stream and riverbanks, riparian corridors, and other wet areas, often associated with disturbance.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Gnaphalium palustrelowland cudweed, western marsh cudweed
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Plains.
Habitat: Open areas at low elevations where moist at least in spring.
Origin: Native
Flowers: May-October
Growth Duration: Annual
Gnaphalium uliginosummarsh cudweed
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Oregon, east across the northern Rocky Mountains and northern Great Plains to eastern North America.
Habitat: Lake and pond margins, ephemeral pools, and other wet areas, sometimes where disturbed, at low to middle elevations.
Origin: Introduced
Flowers: July-October
Growth Duration: Annual
Goodyera oblongifoliagiant rattlesnake-plantain, western rattlesnake-plantain
Distribution: Widely distributed throughout the mountainous and forested areas on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Lakes Region, and eastern North America.
Habitat: Dry to moist forests, from sea level to middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Graphephorum wolfiibeardless graphephorum
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Mostly where wet, as in meadows or along streams in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Gratiola ebracteatabractless hedge-hyssop
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to western Montana.
Habitat: Shallow water and muddy shores, and in other wet places in the valleys and plains.
Origin: Native
Flowers: May-August
Growth Duration: Annual
Gratiola neglectaAmerican hedge-hyssop, clammy hedge-hyssop
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout most of North America.
Habitat: In shallow water and on muddy shores, and in other wet places in the valleys and plains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Grayia spinosaspiny hopsage
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Wyoming and Colorado.
Habitat: Foothills and desert valleys, often in alkaline soil.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Greeneocharis circumscissacushion cryptantha, matted cryptantha
Distribution: Occurring chiefly east of the Cascades crest in Washington; central Washington to Baja California, east to Utah.
Habitat: Dry, open, usually sandy places in the lowlands.
Origin: Native
Flowers: April-July
Growth Duration: Annual
Grindelia integrifoliaPuget Sound gumweed, Willamette Valley gumweed
Distribution: Occurring west of the Cascades crest in Washington at low elevations; British Columbia to northern California.
Habitat: Salt marshes, rocky shores along the coast, coastal headlands and bluffs, and various non-maritime habitats in the Puget Trough.
Origin: Native
Flowers: April-January
Growth Duration: Perennial
Grindelia nanaIdaho gumweed, low gumweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California, east to Montana.
Habitat: Grassland, rocky areas, forest openings, streambanks, and roadsides.
Origin: Native
Flowers: January-December
Growth Duration: Perennial
var. discoidea – Columbia gumweed, rayless gumweed
var. nana – low gumweed
Grindelia squarrosacurlycup gumweed, serrate resinweed
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across southern Canada and most of the United States to the Atlantic Coast.
Habitat: Dry, open, often sandy places, at low to middle elevations, often where disturbed.
Flowers: June-September
Growth Duration: Annual
var. serrulata – curlycup gumweed, serrate resinweed
Grindelia strictaOegon gumweed
Distribution: Occurring west of the Cascades crest in Washington; Alaska to California.
Origin: Native
Growth Duration: Perennial
Gruvelia pusillalittle gruvelia
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, introduced and disjunct in Chile.
Habitat: Dry, open places at lower elevations.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Guizotia abyssinica
Distribution: Eastern portion of Washington; California and scattered areas of central and eastern North America.
Habitat: Disturbed sites at low elevations.
Origin: Introduced
Flowers: June-September
Growth Duration: Perennial
Gutierrezia sarothraekindlingweed, matchweed, broom snakeweed
Distribution: East of the Cascades in Washington, chiefly in southeastern part of state; Alberta to Manitoba, south to California and Texas.
Habitat: Dry, open places in the foothills, valleys and plains.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Gymnocarpium ×brittonianumhybrid oak fern
Origin: Native
Growth Duration: Perennial
Gymnocarpium disjunctumPacific oak-fern, western oak-fern
Distribution: Occurring in forested areas on both sides of the Cascades crest except in southeastern Washington; Alaska to Oregon, east to Alberta, Idaho, and Montana, and disjunct in Wyoming; circumboreal.
Habitat: Moist woods, streambanks and wet cliffs.
Origin: Native
Growth Duration: Perennial
Gymnocarpium dryopterisnorthern oak fern
Distribution: Occurring east of the Cascades crest in northeastern Washington; Alaska to northeastern Washington, east across Canada and the northern U.S., with disjunct populations scattered throughout western North America.
Habitat: Forest understory, often where moist
Origin: Native
Growth Duration: Perennial
Gypsophila paniculatababy's-breath
Distribution: Occurring east of the Cascades crest in Washington; Northwest Territory and British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed, dry open areas at low elevations.
Origin: Introduced from Asia
Flowers: June-September
Growth Duration: Perennial