Vascular Plants
Includes all flowering plants, conifers, ferns and fern-allies.
Browse by scientific name:
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Scientific names beginning with G:
38 genera
101 species, 14 subspecies and varieties
101 species, 14 subspecies and varieties
Show only taxa with photos
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Index to genera:
Gagea, Gaillardia, Galanthus, Galega, Galeopsis, Galinsoga, Galium, Gamochaeta, Garrya, Gaultheria, Gayophytum, Genista, Gentiana, Gentianella, Geocaulon, Geranium, Geum, Gilia, Githopsis, Glechoma, Gleditsia, Glehnia, Glossopetalon, Glyceria, Glycyrrhiza, Gnaphalium, Goodyera, Gossypium, Graphephorum, Gratiola, Grayia, Greeneocharis, Grindelia, Gruvelia, Guizotia, Gutierrezia, Gymnocarpium, GypsophilaGaillardia aristata – blanket 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
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 nivalis – snowdrops
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
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 officinalis – professor-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
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 bifida – bifid 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
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 tetrahit – common 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
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 quadriradiata – ciliate 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
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 aparine – common 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
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 bifolium – twin-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
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 boreale – northern 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
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 divaricatum – Lamarck'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
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 kamtschaticum – boreal 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
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 mexicanum – Mexican 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
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 mollugo – false 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
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 odoratum – sweet-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
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 oreganum – Oregon 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
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 palustre – common 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
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 serpenticum – intermountain 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
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 trifidum – small 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
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 triflorum – fragrant 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
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 verum – lady'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
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 ustulata – purple cudweed, spoon-leaf cudweed, featherweed
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
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 fremontii – Fremont'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
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 hispidula – creeping 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
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 humifusa – alpine 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
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 ovatifolia – western 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
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 shallon – salal
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
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 decipiens – deceptive 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
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 diffusum – spreading 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
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 heterozygum – zigzag 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
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 humile – dwarf 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
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 racemosum – black-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
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 ramosissimum – pinyon 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
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 canariensis – Canary 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
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 tinctoria – dyer'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
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 affinis – pleated 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
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 calycosa – explorer's gentian, mt. bog gentian
Distribution: Occurring in the Cascades and Olympics Mountains of Washington; British Columbia to California, east to Alberta, Wyoming, and Utah.
Habitat: Subalpine to alpine meadows, and rocky alpine areas.
Origin: Native
Flowers: July-October
Growth Duration: Perennial
Distribution: Occurring in the Cascades and Olympics Mountains of Washington; British Columbia to California, east to Alberta, Wyoming, and Utah.
Habitat: Subalpine to alpine meadows, and rocky alpine areas.
Origin: Native
Flowers: July-October
Growth Duration: Perennial
Gentiana douglasiana – swamp 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
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 glauca – glaucous 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
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 sceptrum – King'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
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 amarella – northern 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
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 lividum – false toadflax
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
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 bicknellii – northern 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
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 carolinianum – Carolina 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
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 columbinum – long-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
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 dissectum – cut-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
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 ibericum – montane crane's-bill, Spanish crane's-bill, montane geranium, Spanish geranium
Origin: Introduced
Origin: Introduced
Geranium lucidum – shining 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
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 molle – dovefoot 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
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 oreganum – sticky 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
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 ×oxonianum – crane'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
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 purpureum – purple 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
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 pusillum – small-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
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 robertianum – herb-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
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 viscosissimum – sticky 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
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 aleppicum – yellow 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
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 macrophyllum – bigleaf 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
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 rivale – purple 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
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 rossii – Ross'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
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 triflorum – prairie 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
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 urbanum – herb-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
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 capitata – bluehead 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
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 inconspicua – shy 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
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 sinuata – shy 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
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 specularioides – common 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
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 hederacea – field 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
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 triacanthos – honey 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
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 leiocarpa – American 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
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 spinescens – Nevada 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
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 borealis – small 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
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 canadensis – Canada 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
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 declinata – low 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
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 elata – tall 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
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 fluitans – water 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
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 grandis – American 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
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 leptostachya – slender-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
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 maxima – tall 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
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 ×occidentalis – northwestern 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
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 striata – fowl 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
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 lepidota – American 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
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 palustre – lowland 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
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 uliginosum – marsh 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
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 oblongifolia – giant 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
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 wolfii – beardless 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
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 ebracteata – bractless 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
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 neglecta – American 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
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 spinosa – spiny 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
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 circumscissa – cushion 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
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 integrifolia – Puget 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
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 nana – Idaho gumweed, low gumweed
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge 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
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge 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 squarrosa – curlycup 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
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 stricta – Oregon gumweed
Distribution: Occurring west of the Cascades crest in Washington; Alaska to California.
Habitat: Lowland meadows, balds, marshes, and ditches.
Origin: Native
Flowers: April-November
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; Alaska to California.
Habitat: Lowland meadows, balds, marshes, and ditches.
Origin: Native
Flowers: April-November
Growth Duration: Perennial
Gruvelia pusilla – little 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
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
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 sarothrae – kindlingweed, 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
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 disjunctum – Pacific 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
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 dryopteris – northern 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
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 paniculata – baby'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
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
