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
105 species, 10 subspecies and varieties
105 species, 10 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
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
Galanthus nivalis – snowdrop
Distribution: Garden escape in northeastern United States and adjacent Canada; occasional in western Washington.
Habitat: Abandoned gardens, roadsides, open forests.
Origin: Introduced from Europe
Flowers: February - March
Distribution: Garden escape in northeastern United States and adjacent Canada; occasional in western Washington.
Habitat: Abandoned gardens, roadsides, open forests.
Origin: Introduced from Europe
Flowers: February - March
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
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
Galeopsis bifida – bifid hemp nettle
Distribution: Known from Kittitas County in Washington; Alaska to Washington, east across north U.S. and Canada to Atlantic Coast.
Habitat: Disturbed areas, roadsides, and irrigation channels.
Origin: Introduced
Flowers: July-August
Distribution: Known from Kittitas County in Washington; Alaska to Washington, east across north U.S. and Canada to Atlantic Coast.
Habitat: Disturbed areas, roadsides, and irrigation channels.
Origin: Introduced
Flowers: July-August
Galeopsis tetrahit – common hemp nettle
Distribution: Chiefly west of the Cascades in Washington; Alaska to Newfoundland, south to Central Plains and Mid-Atlantic states.
Habitat: Meadows and other moist places.
Origin: Introduced from Eurasia
Flowers: July-August
Distribution: Chiefly west of the Cascades in Washington; Alaska to Newfoundland, south to Central Plains and Mid-Atlantic states.
Habitat: Meadows and other moist places.
Origin: Introduced from Eurasia
Flowers: July-August
• 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
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
Galium aparine – common bedstraw, common cleavers, goose-grass, sticky-willy
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Variety of habitats, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Variety of habitats, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
Galium bifolium – twin-leaf bedstraw
Distribution: Chiefly east of the Cascade summits 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
Distribution: Chiefly east of the Cascade summits 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
Galium boreale – northern bedstraw
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; in North America extending south to California, Texas and West Virginia.
Habitat: In a variety of mesic habitats, from sea level to timber line.
Origin: Native
Flowers: June-August
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; in North America extending south to California, Texas and West Virginia.
Habitat: In a variety of mesic habitats, from sea level to timber line.
Origin: Native
Flowers: June-August
Galium divaricatum – Lamarck's bedstraw
Distribution: Occurring 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
Distribution: Occurring 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
Galium kamtschaticum – boreal bedstraw
Distribution: Chiefly west of the Cascades in Washington; Alaska south to Washington, east to eastern North America.
Habitat: Moist, cold coniferous woods.
Origin: Native
Flowers: July-August
Distribution: Chiefly west of the Cascades in Washington; Alaska south to Washington, east to eastern North America.
Habitat: Moist, cold coniferous woods.
Origin: Native
Flowers: July-August
Galium mexicanum – Mexican bedstraw
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains in the U.S.
Habitat: Forest openings, meadows, and open hillsides from low to moderate elevations.
Origin: Native
Flowers: June-August
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains in the U.S.
Habitat: Forest openings, meadows, and open hillsides from low to moderate elevations.
Origin: Native
Flowers: June-August
• ssp. asperulum – rough bedstraw
Galium mollugo – false baby's-breath, wild madder
Distribution: Scattered locations in Washington; British Columbia south to California, east to Montana and Wyoming; widely distributed in east of the Mississippi River.
Habitat: Occurring in disturbed soil, waste ground.
Origin: Introduced
Flowers: May-July
Distribution: Scattered locations in Washington; British Columbia south to California, east to Montana and Wyoming; widely distributed in east of the Mississippi River.
Habitat: Occurring in disturbed soil, waste ground.
Origin: Introduced
Flowers: May-July
Galium odoratum – sweet-scented bedstraw
Distribution: Occurring in a few scattered locations west of the Cascades in Washington; British Columbia south to Oregon; scattered areas of central and eastern North America.
Habitat: Woodlands at low elevations.
Origin: Introduced from Europe
Flowers: May-June
Distribution: Occurring in a few scattered locations west of the Cascades in Washington; British Columbia south to Oregon; scattered areas of central and eastern North America.
Habitat: Woodlands at low elevations.
Origin: Introduced from Europe
Flowers: May-June
Galium oreganum – Oregon bedstraw
Distribution: From the Cascade Mountains west in Washington; Washington south to Oregon.
Habitat: Moist woods and meadows, from sea level to 5000 feet in the mountains.
Origin: Native
Flowers: June-August
Distribution: From the Cascade Mountains west in Washington; Washington south to Oregon.
Habitat: Moist woods and meadows, from sea level to 5000 feet in the mountains.
Origin: Native
Flowers: June-August
Galium palustre – common marsh bedstraw
Distribution: Occurring west of the Cascades crest in Washington; Yukon Territory south to Oregon, and also in Montana; also in central and eastern North America.
Habitat: Disturbed, open areas, often where moist.
Origin: Native
Flowers: July-September
Distribution: Occurring west of the Cascades crest in Washington; Yukon Territory south to Oregon, and also in Montana; also in central and eastern North America.
Habitat: Disturbed, open areas, often where moist.
Origin: Native
Flowers: July-September
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
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
Galium trifidum – small bedstraw
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; widely distributed throughout North America.
Habitat: Moist places, from sea level to high elevations in the mountains.
Origin: Native
Flowers: June-September
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; widely distributed throughout North America.
Habitat: Moist places, from sea level to high elevations in the mountains.
Origin: Native
Flowers: June-September
Galium triflorum – fragrant bedstraw, three-flowered bedstraw
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; widely distributed throughout North America.
Habitat: Moist woods, from sea level to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Distribution: Widely distributed on both sides of the Cascades in Washington; circumboreal; widely distributed throughout North America.
Habitat: Moist woods, from sea level to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Galium verum – lady's bedstraw, yellow spring bedstraw
Distribution: In scattered localities west of the Cascades in Washington; widely distributed throughout North America in except along southern border of U.S.
Habitat: Escaping from cultivation to lawns, roadsides, and other open, disturbed areas.
Origin: Introduced
Flowers: May July
Distribution: In scattered localities west of the Cascades in Washington; widely distributed throughout North America in except along southern border of U.S.
Habitat: Escaping from cultivation to lawns, roadsides, and other open, disturbed areas.
Origin: Introduced
Flowers: May July
Gamochaeta ustulata – purple 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
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
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
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
Gaultheria hispidula – creeping-snowberry
Distribution: Occurring in northeast Washsington; British Columbia east to Labrador, south into northern Idaho.
Habitat: Sphagnum bogs and deep coniferous woods.
Origin: Native
Flowers: May-June
Distribution: Occurring in northeast Washsington; British Columbia east to Labrador, south into northern Idaho.
Habitat: Sphagnum bogs and deep coniferous woods.
Origin: Native
Flowers: May-June
Gaultheria humifusa – alpine wintergreen
Distribution: In the Olympics and Cascades mountains of Washington; British Columbia south to northern California, east to the Rocky Mountains from Alberta to Colorado.
Habitat: Subalpine to alpine, usually where moist to wet.
Origin: Native
Flowers: July-August
Distribution: In the Olympics and Cascades mountains of Washington; British Columbia south to northern California, east to the Rocky Mountains from Alberta to Colorado.
Habitat: Subalpine to alpine, usually where moist to wet.
Origin: Native
Flowers: July-August
Gaultheria ovatifolia – western teaberry, slender wintergreen
Distribution: Chiefly in the Olympics and Cascades mountains in Washington, but also in the northeastern part of the State; British Columbia south to California, east to Idaho and Montana.
Habitat: Forested areas from fairly dry Ponderosa pine to subalpine bogs.
Origin: Native
Flowers: June-August
Distribution: Chiefly in the Olympics and Cascades mountains in Washington, but also in the northeastern part of the State; British Columbia south to California, east to Idaho and Montana.
Habitat: Forested areas from fairly dry Ponderosa pine to subalpine bogs.
Origin: Native
Flowers: June-August
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
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
Gayophytum decipiens – deceptive groundsmoke
Distribution: Occurring east of the Cascades crest in central 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
Distribution: Occurring east of the Cascades crest in central 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
Gayophytum diffusum – spreading groundsmoke
Distribution: Both sides of the Cascades in Washington; British Columbia south to California, east to South Dakota and New Mexico.
Habitat: Dry meadows and open slopes, from lowlands to near timberline.
Origin: Native
Flowers: June-August
Distribution: Both sides of the Cascades in Washington; British Columbia south to California, east to South Dakota and New Mexico.
Habitat: Dry meadows and open slopes, from lowlands to near timberline.
Origin: Native
Flowers: June-August
Gayophytum heterozygum – zigzag groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Nevada.
Habitat: Forest openings at low to moderate elevations in the mountains.
Origin: Native
Flowers: June-July
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Nevada.
Habitat: Forest openings at low to moderate elevations in the mountains.
Origin: Native
Flowers: June-July
Gayophytum humile – dwarf groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; widespread in western North America; also known from South America.
Habitat: Open areas at low to middle elevations where soil is seasonally wet.
Origin: Native
Flowers: June-August
Distribution: Occurring east of the Cascades crest in Washington; widespread in western North America; also known from South America.
Habitat: Open areas at low to middle elevations where soil is seasonally wet.
Origin: Native
Flowers: June-August
Gayophytum racemosum – black-foot groundsmoke, racemose groundsmoke
Distribution: Chiefly east of the Cascade in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Open slopes, often where moist early, from the foothills to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Distribution: Chiefly east of the Cascade in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Open slopes, often where moist early, from the foothills to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Gayophytum ramosissimum – pinyon groundsmoke
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California and Arizona, east to the Rocky Mountains.
Habitat: Dry foothills and valleys to the lower mountains.
Origin: Native
Flowers: June-July
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California and Arizona, east to the Rocky Mountains.
Habitat: Dry foothills and valleys to the lower mountains.
Origin: Native
Flowers: June-July
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
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
Genista monspessulana – French broom
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; southwestern British Columbia to California, also in western Idaho.
Habitat: Waste areas, roadsides, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: June-July
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; southwestern British Columbia to California, also in western Idaho.
Habitat: Waste areas, roadsides, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: June-July
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
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
Gentiana affinis – pleated gentian, prairie gentian, Rocky Mtn. gentian
Distribution: East of the Cascades in Washington; British Columbia south to California and Arizona.
Habitat: Damp soil and meadowlands, from the valleys and foothills to well up in the mountains.
Origin: Native
Flowers: July-September
Distribution: East of the Cascades in Washington; British Columbia south to California and Arizona.
Habitat: Damp soil and meadowlands, from the valleys and foothills to well up in the mountains.
Origin: Native
Flowers: July-September
Gentiana calycosa – explorer'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
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
Gentiana douglasiana – swamp gentian
Distribution: Narrow distribution in Cascade and Olympic Mountains of Washington; Alaska south to Washington.
Habitat: Bogs and tundra.
Origin: Native
Flowers: July-September
Distribution: Narrow distribution in Cascade and Olympic Mountains of Washington; Alaska south to Washington.
Habitat: Bogs and tundra.
Origin: Native
Flowers: July-September
Gentiana glauca – glaucous gentian
Distribution: In the North Cascades of Washington; Alaska south to Washington and Montana.
Habitat: Tundra and alpine meadows.
Origin: Native
Flowers: July-September
Distribution: In the North Cascades of Washington; Alaska south to Washington and Montana.
Habitat: Tundra and alpine meadows.
Origin: Native
Flowers: July-September
Gentiana sceptrum – King's gentian, staff gentian
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to northwest California.
Habitat: Bogs and wet places, especially along the coast, at low elevations.
Origin: Native
Flowers: July-September
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to northwest California.
Habitat: Bogs and wet places, especially along the coast, at low elevations.
Origin: Native
Flowers: July-September
Gentianella amarella – northern gentian
Distribution: Across the northern part of Washington on both sides of the Cascades; Alaska to California, east to Minnasota and New Mexico.
Habitat: Moist areas, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: June-September
Distribution: Across the northern part of Washington on both sides of the Cascades; Alaska to California, east to Minnasota and New Mexico.
Habitat: Moist areas, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: June-September
Geocaulon lividum – false toadflax
Distribution: Occurring from Okanogan County east to Pend Oreille County in Washington; Alaska south to Washington, east to Alberta, northern Idaho, and northwestern Montana.
Habitat: Bogs and open woods to lower alpine slopes.
Origin: Native
Flowers: June-July
Distribution: Occurring from Okanogan County east to Pend Oreille County in Washington; Alaska south to Washington, east to Alberta, northern Idaho, and northwestern Montana.
Habitat: Bogs and open woods to lower alpine slopes.
Origin: Native
Flowers: June-July
Geranium bicknellii – northern crane's-bill
Distribution: Occurring on both sides of the Cascades in Washington; widely distributed throughout much of North America except along the southern U.S. boundary and lower Great Plains.
Habitat: Woodlands or open fields.
Origin: Native
Flowers: May-August
Distribution: Occurring on both sides of the Cascades in Washington; widely distributed throughout much of North America except along the southern U.S. boundary and lower Great Plains.
Habitat: Woodlands or open fields.
Origin: Native
Flowers: May-August
Geranium carolinianum – Carolina geranium
Distribution: Widely distributed throughout much of Washington; ranging throughout nearly all of North America.
Habitat: Woodlands and waste places, tending to be weedy.
Origin: Native
Flowers: April-July
Distribution: Widely distributed throughout much of Washington; ranging throughout nearly all of North America.
Habitat: Woodlands and waste places, tending to be weedy.
Origin: Native
Flowers: April-July
Geranium columbinum – long-stalk crane's-bill
Distribution: Chiefly west of the Cascades and along the Columbia River in Washington; occasional introduction in central and eastern United States.
Habitat: Waste places and disturbed ground.
Origin: Introduced from Europe
Flowers: June-August
Distribution: Chiefly west of the Cascades and along the Columbia River in Washington; occasional introduction in central and eastern United States.
Habitat: Waste places and disturbed ground.
Origin: Introduced from Europe
Flowers: June-August
Geranium dissectum – cut-leaf crane's-bill
Distribution: Chiefly west of the Cascades in Washington; British Columbia south 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
Distribution: Chiefly west of the Cascades in Washington; British Columbia south 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
Geranium ibericum – montane crane's-bill, Spanish crane's-bill, montane geranium, Spanish geranium
Origin: Introduced
Origin: Introduced
Geranium lucidum – shining cranes-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
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
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
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
Geranium oreganum – sticky geranium, western geranium
Distribution: West of the Cascades in southwestern Washington; south to northern California.
Habitat: Meadows and woodlands.
Origin: Native
Flowers: May-July
Distribution: West of the Cascades in southwestern Washington; south to northern California.
Habitat: Meadows and woodlands.
Origin: Native
Flowers: May-July
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
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
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
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
Geranium pusillum – small-flower crane's-bill
Distribution: Occurring on both sides of the Cascades; widely distributed throughout North America except along southern border of U.S.
Habitat: Moist, waste places.
Origin: Introduced
Flowers: May-August
Distribution: Occurring on both sides of the Cascades; widely distributed throughout North America except along southern border of U.S.
Habitat: Moist, waste places.
Origin: Introduced
Flowers: May-August
Geranium richardsonii – white crane's-bill, white geranium
Distribution: East of the Cascades in Washington; British Columbia south to southern California and New Mexico.
Habitat: Mostly in partial shade, from the lowlands to well up in the mountains.
Origin: Native
Flowers: June-August
Distribution: East of the Cascades in Washington; British Columbia south to southern California and New Mexico.
Habitat: Mostly in partial shade, from the lowlands to well up in the mountains.
Origin: Native
Flowers: June-August
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
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
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
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
Geum aleppicum – yellow avens
Distribution: Occasional east of the Cascades, British Columbia to California, more common east of the Rockies in southern Canada.
Habitat: Along streams and in marshy or damp woods.
Origin: Native
Flowers: June - July
Distribution: Occasional east of the Cascades, British Columbia to California, more common east of the Rockies in southern Canada.
Habitat: Along streams and in marshy or damp woods.
Origin: Native
Flowers: June - July
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
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
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
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
Geum rossii – Ross's avens
Distribution: Occurring only in the Wenatchee Mountains in Washington; Alaska and northern Canada south in Rocky and Cascades mountains to Nevada, Arizona and New Mexico; also in Far East Russia and Greenland.
Habitat: Arctic tundra, high gravelly meadows and scree slopes.
Origin: Native
Flowers: June- August
Distribution: Occurring only in the Wenatchee Mountains in Washington; Alaska and northern Canada south in Rocky and Cascades mountains to Nevada, Arizona and New Mexico; also in Far East Russia and Greenland.
Habitat: Arctic tundra, high gravelly meadows and scree slopes.
Origin: Native
Flowers: June- August
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
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
Geum urbanum – herb-bennet
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Washington south to Oregon and Utah; also occurring in northeastern U.S.
Habitat: Disturbed areas in including, roadsides, wastelots, and fields.
Origin: Introduced
Flowers: May-September
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Washington south to Oregon and Utah; also occurring in northeastern U.S.
Habitat: Disturbed areas in including, roadsides, wastelots, and fields.
Origin: Introduced
Flowers: May-September
Gilia capitata – bluehead gilia, globe gilia
Distribution: Occurring chiefly west of the Cascades in Washington, but also in the Columbia River Gorge; Vancouver Island, British Columbia south to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
Distribution: Occurring chiefly west of the Cascades in Washington, but also in the Columbia River Gorge; Vancouver Island, British Columbia south to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
• ssp. capitata – bluefield gilia, globe gilia
Gilia inconspicua – shy gily-flower
Distribution: East of the Cascades in Washington; Washington south to California, east to Idaho, Colorado, and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
Distribution: East of the Cascades in Washington; Washington south to California, east to Idaho, Colorado, and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
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
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
Githopsis specularioides – common bluecup
Distribution: Both sides of the Cascades in Washington; from southern Washington to southern California.
Habitat: Dry, open places in the valleys and foothills.
Origin: Native
Flowers: May-June
Distribution: Both sides of the Cascades in Washington; from southern Washington to southern California.
Habitat: Dry, open places in the valleys and foothills.
Origin: Native
Flowers: May-June
Glechoma hederacea – field balm, creeping Charlie, gill over the ground, groundivy
Distribution: Occurring in locations throughout Washington; introduced thoughout nearly all of North America.
Habitat: Moist woods and thickets, disturbed areas.
Origin: Introduced from Eurasia
Flowers: April-June
Distribution: Occurring in locations throughout Washington; introduced thoughout nearly all of North America.
Habitat: Moist woods and thickets, disturbed areas.
Origin: Introduced from Eurasia
Flowers: April-June
Gleditsia triacanthos – honey locust
Distribution: Occurring east of the Cascades crest in Washington; native to central and eastern North America, but escaped widely throughout western North America.
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
Distribution: Occurring east of the Cascades crest in Washington; native to central and eastern North America, but escaped widely throughout western North America.
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
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
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
Glossopetalon spinescens – Nevada greasewood, spiny green-bush
Origin: Native
Origin: Native
• var. aridum – spiny green-bush
Glyceria borealis – small floating manna grass
Distribution: Alaska east to Newfoundland, south to California and New Mexico.
Habitat: Swamps, wet meadows, and stream margins, often growing in 1-3 feet of water.
Origin: Native
Flowers: May - October
Distribution: Alaska east to Newfoundland, south to California and New Mexico.
Habitat: Swamps, wet meadows, and stream margins, often growing in 1-3 feet of water.
Origin: Native
Flowers: May - October
Glyceria canadensis – Canada mannagrass, rattlesnake mannagrass
Origin: Introduced
Origin: Introduced
• var. canadensis – rattlesnake manna grass
Glyceria elata – tall mannagrass
Distribution: 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
Distribution: 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
Glyceria grandis – American mannagrass
Distribution: Alaska south to Oregon, chiefly east of the Cascades; east to northeast United States and south to Virginia and New Mexico.
Habitat: Sloughs, damp meadows and stream borders.
Origin: Native
Flowers: Late June - Early August
Distribution: Alaska south to Oregon, chiefly east of the Cascades; east to northeast United States and south to Virginia and New Mexico.
Habitat: Sloughs, damp meadows and stream borders.
Origin: Native
Flowers: Late June - Early August
• var. grandis – reed mannagrass
Glyceria striata – fowl manna grass
Distribution: Alaska south to northern California, east to Newfoundland and Florida.
Habitat: Wet places, bogs, and mountain meadows.
Origin: Native
Flowers: May - July
Distribution: Alaska south to northern California, east to Newfoundland and Florida.
Habitat: Wet places, bogs, and mountain meadows.
Origin: Native
Flowers: May - July
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
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
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
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
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
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
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, sea level to middle elevations in the mountains.
Origin: Native
Flowers: June-August
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, sea level to middle elevations in the mountains.
Origin: Native
Flowers: June-August
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
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
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
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
Grayia spinosa – spiny hopsage
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Colorado.
Habitat: Foothills and desert valleys, often in alkaline soil.
Origin: Native
Flowers: April-June
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Colorado.
Habitat: Foothills and desert valleys, often in alkaline soil.
Origin: Native
Flowers: April-June
Greeneocharis circumscissa – cushion cryptantha, matted cryptantha
Distribution: Chiefly east of the Cascades, central Washington to Baja California, east to Utah.
Habitat: Dry, open, usually sandy places in the lowlands.
Origin: Native
Flowers: April - July
Distribution: Chiefly east of the Cascades, central Washington to Baja California, east to Utah.
Habitat: Dry, open, usually sandy places in the lowlands.
Origin: Native
Flowers: April - July
Grindelia hirsutula – coastal gumweed, Columbia gumweed
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Coastal bluffs, forest openings, alluvial areas, and disturbed sites at low to middle elevations.
Origin: Native
Flowers: May-October
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Coastal bluffs, forest openings, alluvial areas, and disturbed sites at low to middle elevations.
Origin: Native
Flowers: May-October
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: June-March
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: June-March
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.
Origin: Introduced from the Great Plains and possibly Rocky Mountains area
Flowers: June-September
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.
Origin: Introduced from the Great Plains and possibly Rocky Mountains area
Flowers: June-September
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
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
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
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
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
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
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
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
Gymnocarpium dryopteris – common fern, northern oak fern
Distribution: Both sides of the Cascades in Washington; Alaska east across northern Canada, south to northern U.S., with disjunct populations scattered throughout western North America.
Habitat: Forest understory, often where moist
Origin: Native
Distribution: Both sides of the Cascades in Washington; Alaska east across northern Canada, south to northern U.S., with disjunct populations scattered throughout western North America.
Habitat: Forest understory, often where moist
Origin: Native
Gypsophila paniculata – baby's breath
Distribution: Introduced in the northern half of the United States
Habitat: Noxious weed in eastern Washington and Idaho
Origin: Introduced from Asia
Flowers: June - August
Distribution: Introduced in the northern half of the United States
Habitat: Noxious weed in eastern Washington and Idaho
Origin: Introduced from Asia
Flowers: June - August
