Vascular Plants

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

Browse by common name:
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Common names beginning with G:
Great flowered gaillardia (Gaillardia aristata)
Distribution: Chiefly east of the Cascades in Washington; British Columbia south to Oregon.
Habitat: Dry, open areas at low to mid-elevations.
Origin: Native
Flowers: May-September
Brown galingale (Cyperus fuscus)
Origin: Introduced
Ciliate galinsoga (Galinsoga quadriradiata)
Distribution: Introduced and sparingly established in western Washington; occurring throughout most of North America except intermountain west from Idaho to Texas.
Habitat: Gardens and waste places.
Origin: Introduced from Central and South America
Flowers: June-October
Shaggy galinsoga (Galinsoga quadriradiata)
Distribution: Introduced and sparingly established in western Washington; occurring throughout most of North America except intermountain west from Idaho to Texas.
Habitat: Gardens and waste places.
Origin: Introduced from Central and South America
Flowers: June-October
Crow garlic (Allium vineale)
Distribution: Scattered localities throughout Washington.
Habitat: Disturbed areas.
Origin: Introduced from Europe
Flowers: June - August
Cultivated garlic (Allium sativum)
Distribution: West of the Cascades in Washington.
Habitat: Disturbed areas near towns, cities, agricultural fields where cultivated.
Origin: Introduced
Flowers: May-July
Nevius's garlic (Allium nevii)
Distribution: Occurring east of the Cascades crest in central Washington; Chelan County, Washington to Wasco County, Oregon
Habitat: Vernally wet meadows and rocky soils at low to middle elevations.
Origin: Native
Flowers: May-July
Wild garlic (Allium vineale)
Distribution: Scattered localities throughout Washington.
Habitat: Disturbed areas.
Origin: Introduced from Europe
Flowers: June - August
Small-flowered gaura (Oenothera curtiflora)
Distribution: Occurring east of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Open, sandy, rocky, often disturbed places.
Origin: Introduced
Flowers: June-September
Explorer's gentian (Gentiana calycosa)
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
Glaucous gentian (Gentiana glauca)
Distribution: In the North Cascades of Washington; Alaska south to Washington and Montana.
Habitat: Tundra and alpine meadows.
Origin: Native
Flowers: July-September
King's gentian (Gentiana sceptrum)
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
Lapland gentian (Comastoma tenellum)
Distribution: Known only from Okanogan County in Washington; Alaska south to California, east to the northern Rocky Mountains; circumpolar.
Habitat: Alpine areas, typically where moist.
Origin: Native
Flowers: June-August
Mt. bog gentian (Gentiana calycosa)
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
Northern gentian (Gentianella amarella)
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
Pleated gentian (Gentiana affinis)
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
Prairie gentian (Gentiana affinis)
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
Rocky Mtn. gentian (Gentiana affinis)
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
Samiland gentian (Comastoma tenellum)
Distribution: Known only from Okanogan County in Washington; Alaska south to California, east to the northern Rocky Mountains; circumpolar.
Habitat: Alpine areas, typically where moist.
Origin: Native
Flowers: June-August
Slender gentian (Comastoma tenellum)
Distribution: Known only from Okanogan County in Washington; Alaska south to California, east to the northern Rocky Mountains; circumpolar.
Habitat: Alpine areas, typically where moist.
Origin: Native
Flowers: June-August
Staff gentian (Gentiana sceptrum)
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
Swamp gentian (Gentiana douglasiana)
Distribution: Narrow distribution in Cascade and Olympic Mountains of Washington; Alaska south to Washington.
Habitat: Bogs and tundra.
Origin: Native
Flowers: July-September
Carolina geranium (Geranium carolinianum)
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
Dovefoot geranium (Geranium molle)
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
Montane geranium (Geranium ibericum)
Origin: Introduced
Purple geranium (Geranium purpureum)
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
Round-leaved geranium (Geranium rotundifolium)
Origin: Introduced
Spanish geranium (Geranium ibericum)
Origin: Introduced
Sticky geranium (Geranium oreganum)
Distribution: West of the Cascades in southwestern Washington; south to northern California.
Habitat: Meadows and woodlands.
Origin: Native
Flowers: May-July
Sticky purple geranium (Geranium viscosissimum)
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
Western geranium (Geranium oreganum)
Distribution: West of the Cascades in southwestern Washington; south to northern California.
Habitat: Meadows and woodlands.
Origin: Native
Flowers: May-July
White geranium (Geranium richardsonii)
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
Western germander (Teucrium canadense)
Distribution: East of the Cascades in Washington; throughout the United States and adjacent portions of Canada and Mexico.
Habitat: Stream banks and moist bottom lands, mostly at low elevations.
Origin: Native
Flowers: June-August
Nettle-leaf giant-hyssop (Agastache urticifolia)
Distribution: East of the Cascades in Washington; British Columbia to California, east to Colorado.
Habitat: Dry open slopes and draws, foothills to mid-elevations in the mountains
Origin: Native
Flowers: May-August
Western giant-hyssop (Agastache occidentalis)
Distribution: East slopes of the Cascades, Chelan to Yakima Counties, Washington; south to Oregon.
Habitat: Dry, open, often rocky slopes at low to moderate elevations.
Origin: Native
Flowers: June-August
Ballhead gilia (Ipomopsis congesta)
Distribution: Occurring on the eastern border of Washington; Washington south to California, east to the Great Plains.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: June-July
Bluehead gilia (Gilia capitata)
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
Delicate gilia (Lathrocasis tenerrima)
Distribution: Known from Okanogan, Douglas, and Chelan counties in Washington; British Columbia south to California, east to Montana, Idaho, Wyoming, Utah and Nevada.
Habitat: Rocky outcroppings, Ponderosa pine forest openings, and montane shrub-steppe communities.
Origin: Native
Flowers: May-June
Globe gilia (Gilia capitata)
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
Great Basin gilia (Aliciella leptomeria)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains.
Habitat: Open, sandy and rocky areas in sagebrush steppe from low to middle elevations.
Origin: Native
Flowers: April-June
Many-flowered gilia (Ipomopsis congesta)
Distribution: Occurring on the eastern border of Washington; Washington south to California, east to the Great Plains.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: June-July
Scarlet gilia (Ipomopsis aggregata)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains, Oklahoma and Texas.
Habitat: Open or lightly wooded, drier meadows and rocky slopes, lowlands to fairly high elevations in the mountains.
Origin: Native
Flowers: May-August
Shy gilia (Gilia sinuata)
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
Sinuate gilia (Gilia sinuata)
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
Small-flowered gilia (Microgilia minutiflora)
Distribution: Occurring east of the Cascades crest in Washington; south-central British Columbia to eastern Oregon, east to western Montana and southern Idaho.
Habitat: Dry, sandy places at low elev, often with sagebrush.
Origin: Native
Flowers: April-June
Lott's gily-flower (Aliciella lottiae)
Distribution: Occurring east of the Cascades crest in the south-central portion of Washington; Washington south to California, east to Idaho and Utah.
Habitat: Open, sandy areas in sagebrush-steppe at low to middle elevations.
Origin: Native
Flowers: April-June
Rosy gily-flower (Gilia sinuata)
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
Sand gily-flower (Aliciella leptomeria)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains.
Habitat: Open, sandy and rocky areas in sagebrush steppe from low to middle elevations.
Origin: Native
Flowers: April-June
Shy gily-flower (Gilia inconspicua)
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
Giraffehead (Lamium amplexicaule)
Distribution: Both sides of the Cascades in Washington; introduced and widespread in North America; Eurasia and North Africa.
Habitat: Weed in distrurbed areas, fields, lawns.
Origin: Introduced from Eurasia
Flowers: April-July
Glacier-lily (Erythronium grandiflorum)
Distribution: Widely distributed throughout Washington; British Columbia south to Oregon, east to Colorado.
Habitat: Sagebrush slopes to near timberline in the mountains, often blooming near snow fields.
Origin: Native
Flowers: March-August
Yellow glandweed (Bellardia viscosa)
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California; also in south-central U.S.
Habitat: Roadsides, fields, pastures, ditches, wastelots, and other disturbed open areas at low elevations.
Origin: Introduced from Eurasia.
Flowers: June-August
American glehnia (Glehnia leiocarpa)
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
Southern globe-thistle (Echinops ritro)
Origin: Introduced
Western globeflower (Trollius albiflorus)
Distribution: Chiefly in the Olympics and Cascades mountains of Washington; British Columbia to Washington, east to the Rocky Mountains.
Habitat: Subalpine and alpine wet meadows and slopes, blooming as the snow recedes.
Origin: Native
Flowers: May-August
Gooseberry-leaved globemallow (Sphaeralcea grossulariifolia)
Distribution: Occurring east of the Cascades crest in Washington; south-central Washington to Nevada, east to southern Idaho and Utah.
Habitat: Sagebrush desert to low elevations in the mountains.
Origin: Native
Flowers: May-July
Long-sepal globemallow (Iliamna longisepala)
Distribution: Occurring east of the Cascades crest in Washington, where endemic to Chelan and Douglas counties.
Habitat: From sagebrush desert to ponderosa pine forest openings at low elevations.
Origin: Native
Flowers: June-August
Munro's globemallow (Sphaeralcea munroana)
Distribution: Widely distributed east of the Cascades crest in Washington; south-central British Columbia to California, east to Montana, Wyoming, and Colorado.
Habitat: Desert plains to open lower mountain slopes.
Origin: Native
Flowers: May-August
Streambank globemallow (Iliamna rivularis)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Montana and Colorado.
Habitat: Somewhat moist areas, often along seasonal stream banks, foothills to forest openings at mid-elevations.
Origin: Native
Flowers: June-August
White-stemmed globemallow (Sphaeralcea munroana)
Distribution: Widely distributed east of the Cascades crest in Washington; south-central British Columbia to California, east to Montana, Wyoming, and Colorado.
Habitat: Desert plains to open lower mountain slopes.
Origin: Native
Flowers: May-August
Beach morning glory (Calystegia soldanella)
Distribution: Occurring west of the Cascades crest along the coast in Washington; British Columbia to San Diego County, California.
Habitat: Coastal beaches and sand dunes, often extending down to the high tide level.
Origin: Native
Flowers: April-September
Low glyceria (Glyceria declinata)
Origin: Introduced
Gnome-plant (Hemitomes congestum)
Distribution: West of the Cascades in Washington; Vancouver Island and mainland British Columbia south to Monterey County, California.
Habitat: Rich humus in damp coniferous forests at mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Spear leaf goat-chicory (Agoseris retrorsa)
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada, Utah, and Arizona.
Habitat: Sagebrush desert, grassy slopes, and ponderosa pine forest openings at low to middle elevations.
Origin: Native
Flowers: May-June
Tall goat-chicory (Agoseris ×elata)
Distribution: Occurring on both sides of the Cascades crest in Washington; south-central British Columbia to California.
Habitat: Meadows and open woods, from the valleys to middle elevations in the mountains.
Origin: Native
Flowers: June-July
Hybrid goatsbeard (Tragopogon miscellus)
Origin: Native
Remarkable goatsbeard (Tragopogon mirus)
Distribution: Known only from one colony at Pullman, Washington, and another at nearby Palouse.
Habitat: Dry, open areas in the foothills.
Origin: Native
Sylvan goatsbeard (Aruncus dioicus)
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska south to California.
Habitat: Moist woods, low to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Woolly goatsbeard (Tragopogon floccosus)
Distribution: Known only from Whitman County in Washington.
Habitat: Disturbed areas, fields, roadsides.
Origin: Introduced
Flowers: July-August
Western goblin (Botrychium montanum)
Distribution: British Columbia to California, east to Montana
Origin: Native
Slender godetia (Clarkia gracilis)
Distribution: Occurring west of the Cascades crest and in the Columbia River Gorge in Washington; Washington south to California.
Habitat: Fairly dry, open areas at low elevations.
Origin: Native
Flowers: June-July
Spring gold (Crocidium multicaule)
Distribution: Occurring on both sides the Cascades crest in Washington; British Columbia south to California, east to Idaho.
Habitat: Dry, open areas at low elevations, especially shrub-steppe.
Origin: Native
Flowers: March-May
Hairy goldaster (Heterotheca villosa)
Distribution: Widespread in Washington and Oregon, chiefly east of the Cascades; east to Michigan
Habitat: Open, sunny areas, often in sandy soil, low to moderate elevations
Origin: Native
Flowers: June-September
Mountain golden-banner (Thermopsis montana)
Distribution: Occurring on both sides of the Cascades crest in Washington, but only occurring in the far western and eastern counties; British Columbia to California, east to the Rocky Mountains.
Habitat: Sandy, well-drained soil to wet meadowland, low to moderate elevations.
Origin: Native
Flowers: May-July
Mountain golden-pea (Thermopsis montana)
Distribution: Occurring on both sides of the Cascades crest in Washington, but only occurring in the far western and eastern counties; British Columbia to California, east to the Rocky Mountains.
Habitat: Sandy, well-drained soil to wet meadowland, low to moderate elevations.
Origin: Native
Flowers: May-July
Northern golden-saxifrage (Chrysosplenium tetrandrum)
Distribution: In Washington known only from the north-central part of the state: Alaska south to Washington, east to Montana and Colorado in the U.S., east across Canada to the Atlantic Coast; circumpolar.
Habitat: Rock crevices and wet banks and slopes, high elevations in our area.
Origin: Native
Flowers: June-August
Pacific golden-saxifrage (Chrysosplenium glechomifolium)
Distribution: West of the Cascades and mostly along the coast, British Columbia south to northwest California.
Habitat: Moist, usually swampy places, mostly at low elevations.
Origin: Native
Flowers: Late March - May
Oregon goldenaster (Heterotheca oregona)
Distribution: British Columbia to California, east base of the Cascades to the coast.
Habitat: Sand and gravel bars along rivers, low to moderate elevations.
Origin: Native
Flowers: June-Sept.
Cascade Canada goldenrod (Solidago elongata)
Origin: Native
Columbian heath goldenrod (Ericameria resinosa)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Oregon, east to Idaho.
Habitat: Basalt cliffs and rock crevices in the plains and foothills, extending up to 6000 feet on the east slope of the Cascades.
Origin: Native
Flowers: July-September
Fragrant goldenrod (Euthamia graminifolia)
Origin: Native
Grass leaved goldenrod (Euthamia graminifolia)
Origin: Native
Greene's heath goldenrod (Ericameria greenei)
Distribution: East of the Cascade crest in Washington; from northern Washington to California, and in the Wallowa Mountains of Oregon.
Habitat: Open or sparsely wooded slopes at rather high elevations in the mountains.
Origin: Native
Flowers: July-August
Missouri goldenrod (Solidago missouriensis)
Distribution: Southern British Columbia and western Washington, east to Ontario and Tennesee.
Habitat: Rather dry, open places, from the valleys and plains to fairly high elevations in the mountains.
Origin: Native
Flowers: Late June - October
Northern goldenrod (Solidago multiradiata)
Distribution: Alaska to California, east to Colorado
Habitat: Mountain meadows and open slopes at high elevations
Origin: Native
Flowers: July - August
Rabbitbush heath goldenrod (Ericameria bloomeri)
Distribution: Southern British Columbia and northeast Washington, south in the Cascades and the mountains of eastern Oregon to California.
Habitat: Dry, rocky slopes and open woods, from the foothills to moderate elevations in the mountains.
Origin: Native
Flowers: July - September
Rocky Mountain goldenrod (Solidago multiradiata)
Distribution: Alaska to California, east to Colorado
Habitat: Mountain meadows and open slopes at high elevations
Origin: Native
Flowers: July - August
Sticky goldenrod (Solidago simplex)
Distribution: Occurring in the Olympic and Cascade Mountains in Washington; Alaska to California, east to Minnesota and Texas.
Habitat: Open, slightly moist areas from coastal dunes to alpine meadows.
Origin: Native
Flowers: June-September
West Coast goldenrod (Solidago elongata)
Origin: Native
Western Canada goldenrod (Solidago lepida)
Distribution: Both sides of the Cascades in Washington; British Columbia to Idaho and Nevada, east to the Rocky Mountains and Manitoba.
Habitat: Dry to moist areas in meadows and riparian areas, from low to middle elevations.
Origin: Native
Flowers: July-October
Western goldenrod (Euthamia occidentalis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and Great Plains of the U.S.
Habitat: Low, ususally moist ground in the valleys and plains.
Origin: Native
Flowers: July-October
Western goldentop (Euthamia occidentalis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and Great Plains of the U.S.
Habitat: Low, ususally moist ground in the valleys and plains.
Origin: Native
Flowers: July-October
Columbia goldenweed (Ericameria resinosa)
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Oregon, east to Idaho.
Habitat: Basalt cliffs and rock crevices in the plains and foothills, extending up to 6000 feet on the east slope of the Cascades.
Origin: Native
Flowers: July-September
Greene's goldenweed (Ericameria greenei)
Distribution: East of the Cascade crest in Washington; from northern Washington to California, and in the Wallowa Mountains of Oregon.
Habitat: Open or sparsely wooded slopes at rather high elevations in the mountains.
Origin: Native
Flowers: July-August
Hairy goldenweed (Pyrrocoma hirta)
Distribution: Mountains of central Washington, and the mountains of northeast Oregon and adjacent Washington and Idaho, south to northeast California.
Habitat: Meadows and open or sparsely wooded slopes in the foothills to moderate elevations in the mountains.
Origin: Native
Flowers: July - August
Hall's goldenweed (Columbiadoria hallii)
Distribution: Occurring in the south-central region of Washington; Washington south to Oregon.
Habitat: Dry, open or sparsely wooded slopes.
Origin: Native
Flowers: August-October
Large-flowered goldenweed (Pyrrocoma carthamoides)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Idaho, Montana, Wyoming, and Nevada.
Habitat: Open hillsides and meadows, from the valleys and plains to moderate elevations in the mountains.
Origin: Native
Flowers: July-August
Lyall's goldenweed (Tonestus lyallii)
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia south to California, east to Alberta, south to Colorado.
Habitat: Mountain meadows and rocky slopes, alpine and subalpine.
Origin: Native
Flowers: July-September
Narrowleaf goldenweed (Nestotus stenophyllus)
Distribution: Occurring east of the Cascades crest in central Washington; Washington to California, east to Idaho and Nevada.
Habitat: Dry, rocky soil, often with sagebrush.
Origin: Native
Flowers: May-July
Palouse goldenweed (Pyrrocoma liatriformis)
Distribution: Occurring in the Palouse region of southeastern Washington.
Habitat: Grassy hillsides and prairies.
Origin: Native
Flowers: July-August
Palouse goldenweed (Pyrrocoma scaberula)
Distribution: Occurring in the southeastern corner of Washington, northeast Oregon and into Idaho.
Habitat: Grasslands and open hillsides at low to mid elevations.
Origin: Native
Flowers: July-August
Rabbitbrush goldenweed (Ericameria bloomeri)
Distribution: Southern British Columbia and northeast Washington, south in the Cascades and the mountains of eastern Oregon to California.
Habitat: Dry, rocky slopes and open woods, from the foothills to moderate elevations in the mountains.
Origin: Native
Flowers: July - September
Sticky goldenweed (Pyrrocoma hirta)
Distribution: Mountains of central Washington, and the mountains of northeast Oregon and adjacent Washington and Idaho, south to northeast California.
Habitat: Meadows and open or sparsely wooded slopes in the foothills to moderate elevations in the mountains.
Origin: Native
Flowers: July - August
Woolly goldenweed (Stenotus lanuginosus)
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho, Montana, and Nevada.
Habitat: Open, dry, often rocky places, from sagebrush desert to ponderosa pine forest openings at middle elevations in the mountains.
Origin: Native
Flowers: May-July
Coastal goldfields (Lasthenia minor)
Origin: Native
Maritime goldfields (Lasthenia maritima)
Distribution: Coastal southern British Columbia to California.
Habitat: Rocky beaches.
Origin: Native
Seaside goldfields (Lasthenia maritima)
Distribution: Coastal southern British Columbia to California.
Habitat: Rocky beaches.
Origin: Native
Smooth goldfields (Lasthenia glaberrima)
Distribution: West of the Cascades, southwest Washington south to central California.
Habitat: Wet or muddy ground at low elevations, including venral pools.
Origin: Native
Flowers: May-July
Fern-leaf goldthread (Coptis aspleniifolia)
Distribution: Occurring west of the Cascades crest in Washington; Alaska south along the coast to Washington.
Habitat: Moist woods and bogs.
Origin: Native
Flowers: April-May
Idaho goldthread (Coptis occidentalis)
Distribution: Occurring in the northeastern corner of Washington; Adjacent British Columbia east to Idaho and Montana.
Habitat: Moist woods.
Origin: Native
Flowers: April-May
Oregon goldthread (Coptis laciniata)
Distribution: Occurring in the southwestern region of Washington; Washington south to California.
Habitat: Moist woods at low elevations.
Origin: Native
Flowers: April-August
Threeleaf goldthread (Coptis trifolia)
Distribution: Known from extreme northeastern region of Washington; Alaska to Washington, Idaho and Montana, east across northern North America to the Atlantic; also in Greenland and eastern Eurasia.
Habitat: Deep woodland, often where swampy.
Origin: Native
Flowers: May-August
Western goldthread (Coptis occidentalis)
Distribution: Occurring in the northeastern corner of Washington; Adjacent British Columbia east to Idaho and Montana.
Habitat: Moist woods.
Origin: Native
Flowers: April-May
Goose-grass (Galium aparine)
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
Bristly black gooseberry (Ribes lacustre)
Distribution: Occurring in forested and mountainous areas on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and eastern North America.
Habitat: Moist forests and stream banks to forestd slopes and subalpine ridges.
Origin: Native
Flowers: April-July
Canada gooseberry (Ribes oxyacanthoides)
Distribution: East of the Cascades in Washington chiefly in the northeatern and southeastern portions of the state; Alaska to Oregon, east to the Atlantic Coast in the northern half of North America.
Habitat: Prairies and lower mountains.
Origin: Native
Flowers: May-June
Coast black gooseberry (Ribes divaricatum)
Distribution: Occurring chiefly west of the Cascades crest in Washington and along the Columbia River Gorge; British Columbia south to California.
Habitat: Moist hillsides, prairies and open woods at low elevations.
Origin: Native
Flowers: April-May
Desert gooseberry (Ribes velutinum)
Distribution: Occurring in the southeastern corner of Washington; Washington south to California, east to Montana, Idaho, Nevada, Utah, and Arizona.
Habitat: Open areas in sagebrush-steppe and Ponderosa pine forests.
Origin: Native
Flowers: March-May
Goodding's gooseberry (Ribes velutinum)
Distribution: Occurring in the southeastern corner of Washington; Washington south to California, east to Montana, Idaho, Nevada, Utah, and Arizona.
Habitat: Open areas in sagebrush-steppe and Ponderosa pine forests.
Origin: Native
Flowers: March-May
Gummy gooseberry (Ribes lobbii)
Distribution: Occurring chiefly east of the Cascades crest in Washington, but occasionally found to the coast; British Columbia south to California.
Habitat: Lowland valleys to open forests at moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Lobb's gooseberry (Ribes lobbii)
Distribution: Occurring chiefly east of the Cascades crest in Washington, but occasionally found to the coast; British Columbia south to California.
Habitat: Lowland valleys to open forests at moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Mount Adams gooseberry (Ribes watsonianum)
Distribution: Chiefly east of the Cascades crest in Washington; British Columbia south to Oregon, east to Alberta.
Habitat: Forest openings in canyons and on ridges, mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Mountain gooseberry (Ribes montigenum)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Subalpine to alpine ridges, talus slopes and rock crevices.
Origin: Native
Flowers: June-August
Oregon gooseberry (Ribes lobbii)
Distribution: Occurring chiefly east of the Cascades crest in Washington, but occasionally found to the coast; British Columbia south to California.
Habitat: Lowland valleys to open forests at moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Snake River gooseberry (Ribes niveum)
Distribution: Occurring in the southeastern corner of Washington; Washington south to Oregon and Nevada, east to Idaho and Colorado.
Habitat: Usually in thickets along streams, but somedtimes on open hllsides.
Origin: Native
Flowers: April-May
Snow gooseberry (Ribes niveum)
Distribution: Occurring in the southeastern corner of Washington; Washington south to Oregon and Nevada, east to Idaho and Colorado.
Habitat: Usually in thickets along streams, but somedtimes on open hllsides.
Origin: Native
Flowers: April-May
Spring gooseberry (Ribes watsonianum)
Distribution: Chiefly east of the Cascades crest in Washington; British Columbia south to Oregon, east to Alberta.
Habitat: Forest openings in canyons and on ridges, mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Straggly gooseberry (Ribes divaricatum)
Distribution: Occurring chiefly west of the Cascades crest in Washington and along the Columbia River Gorge; British Columbia south to California.
Habitat: Moist hillsides, prairies and open woods at low elevations.
Origin: Native
Flowers: April-May
Swamp gooseberry (Ribes lacustre)
Distribution: Occurring in forested and mountainous areas on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and eastern North America.
Habitat: Moist forests and stream banks to forestd slopes and subalpine ridges.
Origin: Native
Flowers: April-July
Wastson gooseberry (Ribes watsonianum)
Distribution: Chiefly east of the Cascades crest in Washington; British Columbia south to Oregon, east to Alberta.
Habitat: Forest openings in canyons and on ridges, mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Western prickly gooseberry (Ribes montigenum)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Subalpine to alpine ridges, talus slopes and rock crevices.
Origin: Native
Flowers: June-August
Whitestem gooseberry (Ribes inerme)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Moist forest edges and openings in the mountains, riparian corridors at lower elevations.
Origin: Native
Flowers: May-June
Berlandieri's goosefoot (Chenopodium berlandieri)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, riparian zones, wastelots, and other open areas at low to middle elevations.
Origin: Native
Flowers: August-October
Clammy goosefoot (Dysphania pumilio)
Distribution: Occurring along the southern border of Washington; southern British Columbia to California and northern Nevada, east to Idaho; scattered in eastern half of U.S.
Habitat: Sandy or gravelly soils, streambanks, waste areas, and other disturbed sites.
Origin: Introduced from Australia
Flowers: July-September
Desert goosefoot (Chenopodium pratericola)
Origin: Native
Fremont's goosefoot (Chenopodium fremontii)
Origin: Native
Flowers: June - September
Giant goosefoot (Chenopodiastrum simplex)
Distribution: Introduced in much of North America; British Columbia to California in the West.
Habitat: Weed of roadsides and waste areas.
Origin: Native
Flowers: June - September
Glaucous goosefoot (Oxybasis glauca)
Distribution: Occurring along the southern border east of the Cascades crest in Washington; Alaska south to California, east across the northern half of North America to the Atlantic Coast.
Habitat: Open, sometimes disturbed, areas, often where soil is alkaline or saline.
Origin: Native
Flowers: June-August
Hybrid goosefoot (Chenopodium ×schulzeanum)
Origin: Native
Jerusalem oak goosefoot (Dysphania botrys)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across much of the U.S. and parts of southern Canada.
Habitat: Streambanks, gravel bars, roadsides, and other distrubed, open areas.
Origin: Introduced from Eurasia
Flowers: May-October
Large seed goosefoot (Oxybasis macrosperma)
Origin: Introduced
Leafy goosefoot (Blitum virgatum)
Origin: Introduced
Flowers: June - September
Low goosefoot (Oxybasis chenopodioides)
Origin: Native
Flowers: June - August
Maple leaf goosefoot (Chenopodiastrum simplex)
Distribution: Introduced in much of North America; British Columbia to California in the West.
Habitat: Weed of roadsides and waste areas.
Origin: Native
Flowers: June - September
Narrowleaf goosefoot (Chenopodium leptophyllum)
Distribution: East side of the Cascades, British Columbia to Baja California, east to the Mississippi Valley.
Habitat: Deserts and dry grasslands.
Origin: Native
Flowers: May - August
Narrowleaf goosefoot (Chenopodium pratericola)
Origin: Native
Nettleleaf goosefoot (Chenopodiastrum murale)
Distribution: Introduced throughout most of North America.
Habitat: Roadsides and waste areas.
Origin: Introduced
Flowers: May - August
Oakleaf goosefoot (Oxybasis glauca)
Distribution: Occurring along the southern border east of the Cascades crest in Washington; Alaska south to California, east across the northern half of North America to the Atlantic Coast.
Habitat: Open, sometimes disturbed, areas, often where soil is alkaline or saline.
Origin: Native
Flowers: June-August
Over's Goosefoot (Blitum hastatum)
Origin: Introduced?
Pinyon goosefoot (Chenopodium atrovirens)
Origin: Native
Flowers: June - September
Red goosefoot (Oxybasis chenopodioides)
Origin: Native
Flowers: June - August
Red goosefoot (Oxybasis rubra)
Distribution: Widely distributed, British Columbia to Newfoundland, south across the United States.
Habitat: Moist, saline soils.
Origin: Both native and introduced
Flowers: July - October
Smooth goosefoot (Chenopodium subglabrum)
Origin: Native
Flowers: May - August
Wall goosefoot (Chenopodiastrum murale)
Distribution: Introduced throughout most of North America.
Habitat: Roadsides and waste areas.
Origin: Introduced
Flowers: May - August
White goosefoot (Chenopodium strictum)
Origin: Introduced from Eurasia
Goosegrass (Eleusine indica)
Distribution: Uncommon weed in western Oregon; more common in California and eastern United States.
Habitat: Waste ground and roadsides.
Origin: Introduced from Africa
Flowers: July - August
Common gorse (Ulex europaeus)
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California; also in the eastern U.S.
Habitat: Roadsides, dry hillsides, fields, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: April-September
Bishop's goutweed (Aegopodium podagraria)
Distribution: Occurring in scattered locations west of the Cascades crest in the Puget Trough in Washington; southern British Columbia to Oregon, also in eastern North America.
Habitat: Disturbed forest understory and edge, where often dumped as garden waste.
Origin: Introduced from Eurasia
Flowers: May-July
European grape (Vitis vinifera)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; southwestern British Columbia to the Willamette Valley in western Oregon, also in Columbia River Gorge and Hells Canyon.
Habitat: Forest edge, fields, and other disturbed areas where escaping from cultivation.
Origin: Introduced from Europe
Flowers: June-July
River-bank grape (Vitis riparia)
Origin: Introduced from eastern United States
Flowers: May - July
Common grape-hyacinth (Muscari botryoides)
Origin: Introduced
Garden grape-hyacinth (Muscari armeniacum)
Origin: Introduced from Eurasia
Grape-hyacinth (Muscari neglectum)
Origin: Introduced from Europe
Fox grape-vine (Vitis labrusca)
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; southern British Columbia to California, east to Idaho and in Utah; also in eastern North America where more widespread.
Habitat: Disturbed areas, including forest understory, forest edges, wet areas, and roadsides.
Origin: Introduced
Flowers: May-June
Common grapefern (Botrypus virginianus)
Distribution: Occurring chiefly west of the Cascades crest and in the northeastern counties in Washington; Alaska to California, east across most of North America to the Atlantic Coast; also in Eurasia.
Habitat: Moist woods and thickets, seldom in meadows, from valleys to middle elevations in the mountains.
Origin: Native
Lance-leaved grapefern (Botrychium lanceolatum)
Distribution: Circumboreal, extending south to southern Washington and Pennsylvania
Habitat: Moist or wet places in the mountains, occasionally to high elevations
Origin: Native
Leathery grapefern (Sceptridium multifidum)
Distribution: Occurring chiefly west of the Cascades crest and in the northeastern counties in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Open or shaded places, including meadows, wetland margins, and forest edge, from low elevations to the subalpine.
Origin: Native
Virginia grapefern (Botrypus virginianus)
Distribution: Occurring chiefly west of the Cascades crest and in the northeastern counties in Washington; Alaska to California, east across most of North America to the Atlantic Coast; also in Eurasia.
Habitat: Moist woods and thickets, seldom in meadows, from valleys to middle elevations in the mountains.
Origin: Native
Alaska blue grass (Poa paucispicula)
Origin: Native
Flowers: Late June - August
Alkaline grass (Distichlis spicata)
Distribution: Vancouver Island, British Columbia, south to California; also along the east coast of the United States from Canada to Florida and Texas.
Habitat: Coastal beaches and salt marshes.
Origin: Native
Flowers: June - September
American slough grass (Beckmannia syzigachne)
Distribution: Alaska to California, east from the coast to Manitoba and the Great Lakes region
Habitat: Pond margins, marshes and ditches at low elevations
Origin: Native
Flowers: June - July
Annual blue grass (Poa annua)
Distribution: Common weed throughout the Pacific Northwest.
Habitat: Lawns, gardens, roadsides, and waste ground to open woods.
Origin: Introduced
Flowers: March - August
Annual false wheat grass (Eremopyrum triticeum)
Distribution: Occurring in scattered locations east of the Cascades crest in Washington; British Columbia south to Arizona, east to the Rocky Mountains and Great Plains.
Habitat: Dry wasteland, disturbed areas.
Origin: Introduced
Flowers: May-July
Annual hair grass (Deschampsia danthonioides)
Origin: Native
Flowers: Late May - July
Annual rabbit's-foot grass (Polypogon monspeliensis)
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Wet to dry waste areas, including vernal pools where the water is brackish.
Origin: Introduced
Flowers: May-August
Arctic-hair grass (Vahlodea atropurpurea)
Distribution: Alaska south to the high mountains of California, east to Newfoundland and New Hamshire.
Habitat: Mountain meadows, streambanks, and lake margins to alpine ridges.
Origin: Native
Flowers: July - August
Awnless barnyard grass (Echinochloa colona)
Origin: Introduced from the tropics
Barnyard grass (Echinochloa crus-galli)
Distribution: Found throughout southern Canada and most of the United States.
Habitat: Cultivted fields and wasteland, usually where moist, especially along irrigation ditches.
Origin: Introduced from Eurasia
Flowers: June - October
Bearded melic grass (Melica aristata)
Origin: Native
Flowers: June - July
Beardless lyme grass (Leymus triticoides)
Origin: Native
Flowers: June - August
Beardless rabbit's-foot grass (Polypogon viridis)
Origin: Introduced
Flowers: June - September
Bering hair grass (Deschampsia cespitosa)
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: From coastal marshes and moist prairies to alpine ridges, talus slopes, mountain meadows, and moist areas in the mountains in general.
Origin: Native
Flowers: June-September
Bermuda grass (Cynodon dactylon)
Distribution: Common in the warmer portion of the United States, California to Florida; occasional in the Pacific Northwet.
Habitat: A weed of lawns, partures and railroad tracks.
Origin: Introduced
Flowers: June - September
Blowout grass (Redfieldia flexuosa)
Origin: Introduced from central United States
Bolander's blue grass (Poa bolanderi)
Origin: Native
Flowers: July - August
Bristly dog's-tail grass (Cynosurus echinatus)
Distribution: Introduced in southwest British Columba and Oregon's Wilamette Valley, south into California; more common in central and eastern United States.
Habitat: Weed of waste places.
Origin: Introduced
Flowers: May - July
California sweet grass (Hierochloe occidentalis)
Origin: Native
Cheat grass (Bromus tectorum)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Baja California, Mexico, east across North America to the Atlantic Coast.
Habitat: Sagebrush desert, grasslands, prairies, meadows, balds, roadsides, wastelots, and other distrubed open areas from low to middle elevations.
Origin: Introduced from Europe
Flowers: March-June
Chilean rabbit's-foot grass (Polypogon australis)
Origin: Introduced
Coastal salt grass (Distichlis spicata)
Distribution: Vancouver Island, British Columbia, south to California; also along the east coast of the United States from Canada to Florida and Texas.
Habitat: Coastal beaches and salt marshes.
Origin: Native
Flowers: June - September
Coastline blue grass (Poa confinis)
Distribution: VAncouver Island, British Columbia, south along the coast to San Francisco, California.
Habitat: Coastal sand dunes.
Origin: Native
Flowers: May - June
Common canary grass (Phalaris canariensis)
Origin: Introduced
Flowers: June - August
Common hard grass (Sclerochloa dura)
Distribution: Sparingly introduced in much of western United States; established in eastern Washington and Oregon.
Habitat: Weed of waste areas.
Origin: Introduced
Flowers: June
Common velvet grass (Holcus lanatus)
Distribution: Occurring chiefly west of the Cascades crest and east in the Columbia River Gorge in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Balds, prairies, roadsides, meadows, lawns, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: May-July
Ditch rabbit's-foot grass (Polypogon interruptus)
Origin: Introduced
Flowers: June - August
Dwarf alkali grass (Puccinellia pumila)
Origin: Native
Flowers: June - August
Early silver-hair grass (Aira praecox)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia south to California; Nova Scotia south to Virginia in eastern North America.
Habitat: Gravelly prairies, sea bluffs and dunes near the coast, also in other disturbed, open areas at low elevations.
Origin: Introduced
Flowers: April-September
Eurasian quack grass (Thinopyrum ponticum)
Distribution: Occurring in scattered locations in the southern portion of Washington; British Columbia south to California, east to the central portion of North America.
Habitat: Disturbed areas including roadsides, wastelots, and agricultural fields.
Origin: Introduced
Flowers: May-June
European alkali grass (Puccinellia distans)
Distribution: Occurring east of the Cascades in Washington; North-central British Columbia south, chiefly east of the Cascades, to California, east through most of Canada and to the east base of the Rockies.
Habitat: Moist soil, especially where alkaline.
Origin: Introduced
Flowers: June-August
Fern grass (Scleropoa rigida)
Origin: Introduced
Flowers: June - July
Fiddle grass (Epilobium hirsutum)
Distribution: Introduced occasionally west of the Cascades and near Bingen in Washington; British Columbia south to Oregon; upper central and northeastern North America.
Habitat: Garden escape in wet areas.
Origin: Introduced
Flowers: June-August
Flat-stem blue grass (Poa compressa)
Distribution: Alaska east to Newfoundland, south to most of the United States; common in the Pacific Northwest.
Habitat: Waste ground, roadsides, and gardens to open woods and meadows, usually where moist.
Origin: Introduced
Flowers: June - August
Fowl blue grass (Poa palustris)
Distribution: Introduced and widely distributed through Alaska and Canada, south to northern California and Virginia.
Habitat: Sea level to open meadows and forested areas in the mountains, always where moist.
Origin: Introduced
Flowers: May - August
Fowl manna grass (Glyceria striata)
Distribution: Alaska south to northern California, east to Newfoundland and Florida.
Habitat: Wet places, bogs, and mountain meadows.
Origin: Native
Flowers: May - July
Golden-eyed grass (Sisyrinchium californicum)
Distribution: Chiefly west of the Cascades in Washington; southern Vancouver Island, B.C, south to southern California.
Habitat: Wet ground, especially at the edges of lakes and bogs, at low to moderate elevations.
Origin: Native
Flowers: June-July
Gray club-awn grass (Corynephorus canescens)
Origin: Introduced
Great Basin lyme grass (Leymus cinereus)
Distribution: East of the Cascades in Washington; central and western North America.
Habitat: Sagebrush-steppe, arid grasslands, forest edges, and other dry, open areas in the intermountain west.
Origin: Native
Flowers: June-July
Harford's melic grass (Melica harfordii)
Origin: Native
Flowers: Late May - July
Henderson's rice grass (Achnatherum hendersonii)
Distribution: Yakima and Kittitas counties in Washington; south to Jefferson County, Oregon.
Habitat: Dry, rocky, shallow soil, in sagebrush or ponderosa pine.
Origin: Native
Flowers: May-June
Hooker's blue grass (Poa nervosa)
Origin: Native
Flowers: April - August
Indian rice grass (Achnatherum hymenoides)
Distribution: East of the Cascades in Washington; British Columbia south to California, east to Alberta and the Dakotas and Texas.
Habitat: Grasslands, desert plains, and foothills, especially on rocky or sandy soil.
Origin: Native
Flowers: May-June
Johnson grass (Sorghum halepense)
Distribution: Introduced and established in much of the United States; rarely persistent in the Pacific Northwest.
Habitat: Waste ground, especially where moist.
Origin: Introduced from Mediterranean
Flowers: July - October
Jointed goat grass (Aegilops cylindrica)
Distribution: A weedy plant from Europe, introduced in much of western United States.
Habitat: Waste ground and roadsides; a troublesome weed in wheat.
Origin: Introduced from southern Europe
Flowers: June - July
Koeler's prairie grass (Koeleria macrantha)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to northern Mexico, east across North America to the Atlantic Coast except in the southeastern U.S.
Habitat: Sagebrush deserts, prairies, and open forests to subalpine ridges, mostly on sandy to rocky soil.
Origin: Native
Flowers: May-July
Leiberg's blue grass (Poa leibergii)
Origin: Native
Flowers: Late March - May
Lemmon's alkali grass (Puccinellia lemmonii)
Origin: Native
Flowers: June - July
Letterman's blue grass (Poa lettermanii)
Origin: Native
Flowers: August
Little mountain blue grass (Poa curtifolia)
Origin: Native
Flowers: June - August
Little quaking grass (Briza minor)
Distribution: Well established in Eastern North America; occasional on the West coast.
Habitat: Dry waste areas.
Origin: Introduced from the Mediterranean region
Flowers: May - June
Loose-flower blue grass (Poa laxiflora)
Distribution: Southern Alaska south to the Olympic Peninsula of Washington and Multnomah, Clackamus and Benton Counties, Oregon.
Habitat: Moist woods to rocky, open slopes, from near sea level to lower elevations in the mountains.
Origin: Native
Flowers: June
Mammoth lyme grass (Leymus racemosus)
Distribution: Occurring east of the Cascades crest in Washington; central Washington to north-central Oregon, east to Wyoming.
Habitat: Sandy areas in sagebrush flats and plains.
Origin: Introduced from Eurasia
Flowers: July-August
Marsh blue grass (Poa leptocoma)
Origin: Native
Flowers: Late June - August
Meadow rye grass (Schedonorus pratensis)
Distribution: Occurring in scattered localities on both sides of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Meadows, pastures, roadsides, and other disturbed areas, often where moist
Origin: Introduced
Flowers: May-July
Mediterranean canary grass (Phalaris paradoxa)
Origin: Introduced
Flowers: June - August
Mediterranean rabbitsfoot grass (Polypogon maritimus)
Distribution: Known from Klickitat County in WA; Washington to California, east to Nevada; also in southeastern North America.
Habitat: Shoreline of ponds, lakes and rivers.
Origin: Introduced
Flowers: June-August
Moss grass (Coleanthus subtilis)
Origin: Native?
Flowers: July - October
Nodding false semaphore grass (Pleuropogon refractus)
Distribution: Southern British Columbia south in both the Southern British Columbia south in both the Olympics and Cascades of Washington, and the Cascades and coastal mountain of Oregon, to Mendocino County, California.
Habitat: Bogs, stream banks, swampy meadows,and moist, shaded woods, from near sea level toabout 5000 feet elevation in the mountains.
Origin: Native
Flowers: May - August
Nootka alkali grass (Puccinellia nutkaensis)
Origin: Native
Northern blue-eyed grass (Sisyrinchium septentrionale)
Distribution: Occurring in northeastern Washington; British Columbia east to Saskatchewan, south into northern Washington.
Habitat: Mesic to dry meadows and stream banks.
Origin: Native
Flowers: June-July
Northwestern manna grass (Glyceria ×occidentalis)
Origin: Native
Flowers: May - June
Nuttall's alkali grass (Puccinellia nuttalliana)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Minnesota, Kansas, eastern and eastern North America.
Habitat: Coastal salt marshes and inland alkali shores and stream banks.
Origin: Native
Flowers: June-August
Onion grass (Melica bulbosa)
Origin: Native
Flowers: May - July
Or large barnyard grass (Echinochloa crus-galli)
Distribution: Found throughout southern Canada and most of the United States.
Habitat: Cultivted fields and wasteland, usually where moist, especially along irrigation ditches.
Origin: Introduced from Eurasia
Flowers: June - October
Orchard grass (Dactylis glomerata)
Distribution: Distributed widely throughout Washington; distributed widely throughout North America.
Habitat: Disturbed areas such as meadows, fields, roadsides, and forest edges; common forage plant; also planted in logged areas in the mountains.
Origin: Introduced
Flowers: June-August
Pacific hair grass (Deschampsia cespitosa)
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: From coastal marshes and moist prairies to alpine ridges, talus slopes, mountain meadows, and moist areas in the mountains in general.
Origin: Native
Flowers: June-September
Pale grass (Sisyrinchium sarmentosum)
Distribution: In the Cascade Mountains of Washington and Oregon near the Columbia River Gorge.
Habitat: Moist, grassy areas.
Origin: Native
Flowers: June-August
Pampas grass (Cortaderia selloana)
Distribution: Occurring in several counties west of the Cascades crest; Washington to California, in scattered states eastward to Atlantic Coast.
Habitat: Disturbed, open soil of wastelots, abandoned fields, and roadsides at low elevations, often near coast.
Origin: Introduced from central South America
Flowers: May-July
Purple moor grass (Molinia caerulea)
Distribution: Known from a single locality in King County where it is persistent; occurring in scattered locations throughout North America.
Habitat: Disturbed areas at low elevation near the coast.
Origin: Introduced
Flowers: May-June
Purple-eyed grass (Olsynium douglasii)
Distribution: Widely distributed throughout Washington, but more common east of the Cascades crest; British Columbia to California, east to Idaho, Nevada, and Utah.
Habitat: Coastal bluffs, prairies, open rocky areas, oak and ponderosa pine woodlands, sagebrush and juniper desert, where moist in early spring.
Origin: Native
Flowers: March-June
Rattail six-weeks grass (Vulpia myuros)
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout most of North America except for the Great Plains and eastern Canada.
Habitat: Balds, open slopes, grasslands, roadsides, wastelots, and other disturbed open areas
Origin: Introduced from Europe
Flowers: April-June
Reed canary grass (Phalaris arundinacea)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America, except for extreme southern U.S., to the Atlantic Coast.
Habitat: Stream banks, meadows, fields, roadsides, irrigation ditches, and other disturbed open places from low elevations to nearly the subalpine.
Origin: Introduced from Europe
Flowers: June-July
Rice cut grass (Leersia oryzoides)
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia east to the Atlantic Coast, south throughout the U.S.
Habitat: Wet places, often in fairly deep water.
Origin: Native
Flowers: July-September
Richardson's rice grass (Achnatherum richardsonii)
Origin: Native
Flowers: June - July
Ripgut grass (Bromus diandrus)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, southern Great Plains, and in eastern North America.
Habitat: Grassy balds, prairies, roadsides, wastelots, and other disturbed open areas at low to moderate elevations.
Origin: Introduced from Europe
Flowers: April-June
Rough-stalk blue grass (Poa trivialis)
Origin: Introduced
Flowers: May - July
Sand lyme grass (Leymus flavescens)
Origin: Native
Flowers: June - July
Sand-dune blue grass (Poa macrantha)
Distribution: Southern Vancouver Island and the islands of Puget Sound, south along the coast to Mendocino County, California.
Habitat: Chiefly on sand dunes.
Origin: Native
Flowers: April - July
Scribner's grass (Scribneria bolanderi)
Origin: Native
Flowers: April - May
Shining alkali grass (Puccinellia nutkaensis)
Origin: Native
Shore grass (Sisyrinchium littorale)
Distribution: Occurring west of the Cascades crest in coastal areas in Washington; Alaska to Oregon
Habitat: Coastal moist, sandy or grassy areas, interdunal depressions, edges of streams and lakes
Origin: Native
Flowers: May-July
Showy melic grass (Melica spectabilis)
Distribution: Southern British Columbia south to northern California chiefly east of the Caascade crest, east to Montana and Colorado.
Habitat: Usually in moist, loamy soil in meadows and open parks in mountain forests, but also dry to wet meadowlands and open forests to subalpine ridges.
Origin: Native
Flowers: Late May - July
Six-weeks love grass (Eragrostis lutescens)
Origin: Native
Flowers: July - October
Slender hair grass (Deschampsia elongata)
Distribution: Occurring on both sides of the Cascades in Washington; Alaska south to California, east to Alberta, Montana and New Mexico.
Habitat: Moist sandy or gravelly banks and slopes, and borders of streams and lakes.
Origin: Native
Flowers: June-July
Slender-spike manna grass (Glyceria leptostachya)
Origin: Native
Flowers: June - August
Small floating manna grass (Glyceria borealis)
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
Small melic grass (Melica fugax)
Origin: Native
Flowers: May - Early July
Smith's melic grass (Melica smithii)
Distribution: Slouthern British Columbia south to Oregon, east to Alberta and Wyoming.
Habitat: Moist woods.
Origin: Native
Flowers: June - August
Suksdorf's blue-eyed grass (Sisyrinchium sarmentosum)
Distribution: In the Cascade Mountains of Washington and Oregon near the Columbia River Gorge.
Habitat: Moist, grassy areas.
Origin: Native
Flowers: June-August
Tall rye grass (Schedonorus arundinaceus)
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout North America.
Habitat: Meadowlands, fallow fields an ditch banks.
Origin: Introduced
Flowers: May-July
Teal love grass (Eragrostis hypnoides)
Distribution: In Washington, chiefly west of the Cascades, and along the Columbia and Snake Rivers; widespread in central and eastern United States.
Habitat: Mud flats along streams, ponds and lakes.
Origin: Native
Flowers: June - September
Thurber's rice grass (Achnatherum thurberianum)
Origin: Native
Flowers: Late May - June
Tufted hair grass (Deschampsia cespitosa)
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: From coastal marshes and moist prairies to alpine ridges, talus slopes, mountain meadows, and moist areas in the mountains in general.
Origin: Native
Flowers: June-September
Western blue grass (Poa suksdorfii)
Origin: Native
Flowers: July - August
Western-wheat grass (Pascopyrum smithii)
Origin: Native
Flowers: June - August
Wheeler's blue grass (Poa wheeleri)
Origin: Native
Flowers: April - August
White-grain mountain-rice grass (Oryzopsis asperifolia)
Distribution: British Columbia east to Newfoundland, south to Maine and Montana and the northeast portion of Washington.
Habitat: Open coniferous woods.
Origin: Native
Flowers: May - July
Withered blue grass (Poa marcida)
Origin: Native
Flowers: June - July
Woods blue grass (Poa interior)
Origin: Native
Cascade grass-of-parnassus (Parnassia cirrata)
Origin: Native
Fringed Grass-of-Parnassus (Parnassia fimbriata)
Distribution: Occurring on both sides of the Cascades in Washington; Alaska to California, east to Alberta, Montana and New Mexico.
Habitat: Bogs, stream banks and wet meadows, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-September
Grass-of-Parnassus (Parnassia palustris)
Distribution: Primarily west of the Cascades in Washington on the Olympic Peninsula and southwestern counties; Arctic America south to Minnesota and British Columbia, in the Rocky Mountains to Colorado and in parts of the Sierra Nevada in California.
Habitat: Arctic tundra to moist, shaded areas in the mountains, where usually along streams or around springs.
Origin: Native
Flowers: July-August
Kotzebue's Grass-of-Parnassus (Parnassia kotzebuei)
Distribution: Known only from Okanogan and Chelan counties in Washington; Arctic Alaska south to Chelan County, WA, east across northern Canada to Labrador, east in the U.S. to the Rocky Mountains.
Habitat: Moist subalpine meadows, cliff faces, and ledges, often in boggy soil.
Origin: Native
Flowers: July-September
Northern grass-of-parnassus (Parnassia palustris)
Distribution: Primarily west of the Cascades in Washington on the Olympic Peninsula and southwestern counties; Arctic America south to Minnesota and British Columbia, in the Rocky Mountains to Colorado and in parts of the Sierra Nevada in California.
Habitat: Arctic tundra to moist, shaded areas in the mountains, where usually along streams or around springs.
Origin: Native
Flowers: July-August
Small-flowered Grass-of-Parnassus (Parnassia parviflora)
Origin: Native
Grass-widow (Olsynium douglasii)
Distribution: Widely distributed throughout Washington, but more common east of the Cascades crest; British Columbia to California, east to Idaho, Nevada, and Utah.
Habitat: Coastal bluffs, prairies, open rocky areas, oak and ponderosa pine woodlands, sagebrush and juniper desert, where moist in early spring.
Origin: Native
Flowers: March-June
Western grasswort (Lilaeopsis occidentalis)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.
Habitat: Marshes, river banks, salt flats, muddy or sandy beaches and shores along and near the coast.
Origin: Native
Flowers: June-July
Greasewood (Ceanothus velutinus)
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, South Dakota, Wyoming, and Colorado.
Habitat: Moist to dry open forests, low to mid-elevations in the mountains.
Origin: Native
Flowers: June-September
Greasewood (Sarcobatus vermiculatus)
Distribution: East of the Cascade in Washington; Washington south to California, east to the Dakotas, south to Colorado.
Habitat: Saline or alkaline, usually heavy soils of the drier regions.
Origin: Native
Flowers: May-July
Nevada greasewood (Glossopetalon spinescens)
Origin: Native
Spiny green-bush (Glossopetalon spinescens)
Origin: Native
Umpqua green-gentian (Frasera fastigiata)
Distribution: In the Blue Mountains of Washington; Oregon, east to northeast Idaho.
Habitat: Moist woods and meadowlands.
Origin: Native
Flowers: May-July
Dyer's greenweed (Genista tinctoria)
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
Corn gromwell (Buglossoides arvensis)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Roadsides, fields, and other dry, open, often disturbed sites in sagebrush desert to ponderosa pine forest openings.
Origin: Introduced from Europe
Flowers: April-June
Field gromwell (Buglossoides arvensis)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Roadsides, fields, and other dry, open, often disturbed sites in sagebrush desert to ponderosa pine forest openings.
Origin: Introduced from Europe
Flowers: April-June
Western gromwell (Lithospermum ruderale)
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to the Sasketchewan and the Rocky Mountains.
Habitat: Sagebrush desert to ponderosa pine forest openings, from low to middle elevations in the mountains.
Origin: Native
Flowers: April-June
Tall hairy grooveburr (Agrimonia gryposepala)
Origin: Native
Gill over the ground (Glechoma hederacea)
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
Ground cedar (Diphasiastrum complanatum)
Distribution: Occurring on both sides of the Cascades crest in Washington, primarily in the northern half of the state; Alaska south to Washington, Idaho and Montana, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist to dry, usually coniferous forests, rocky slopes and sandy openings, low to mid-elevations.
Origin: Native
Spores: Sporing structures in summer and fall
Ground-cherry (Physalis longifolia)
Distribution: Occurring chiefly east of the Cascades in Washington; occurring throughout much of North America.
Habitat: Weed of cultivated fields and waste places.
Origin: Introduced
Flowers: June-September
Long-leaved ground-cherry (Physalis longifolia)
Distribution: Occurring chiefly east of the Cascades in Washington; occurring throughout much of North America.
Habitat: Weed of cultivated fields and waste places.
Origin: Introduced
Flowers: June-September
Alpine clubmoss ground-pine (Diphasiastrum alpinum)
Distribution: Alaska to northern Washington, east to northern Idaho and northwest Montana.
Habitat: Rocky slopes, dry heath meadows, and open conifer forests at high elevations. In Washington, often found associated with Phyllodoce, Cassiope, and Vaccinium in dry heath soils.
Origin: Native
Ground-pine (Diphasiastrum alpinum)
Distribution: Alaska to northern Washington, east to northern Idaho and northwest Montana.
Habitat: Rocky slopes, dry heath meadows, and open conifer forests at high elevations. In Washington, often found associated with Phyllodoce, Cassiope, and Vaccinium in dry heath soils.
Origin: Native
Trailing ground-pine (Diphasiastrum complanatum)
Distribution: Occurring on both sides of the Cascades crest in Washington, primarily in the northern half of the state; Alaska south to Washington, Idaho and Montana, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist to dry, usually coniferous forests, rocky slopes and sandy openings, low to mid-elevations.
Origin: Native
Spores: Sporing structures in summer and fall
Tree ground-pine (Dendrolycopodium dendroideum)
Distribution: Widespread across boreal forests of North America, south to northern Washington, Idaho, Montana, Colorado, and NE U.S. Also found in Asia. In Washington, known from scattered locations in the west Cascades and in Pend Oreille county.
Habitat: Woodlands and open brushy areas. In Washington, found mostly among rock or talus with thick moss or duff layers, often under brush or on edges of forest. At mid elevations in the mountains.
Origin: Native
Small groundcone (Kopsiopsis hookeri)
Distribution: Occurring west of the Cascades crest along the Puget Sound and outer coast in Washington; British Columbia to California.
Habitat: Myco-heterotrophic on Gaultheria shallon, which occurs primarily in forest understories, along forest edges, and in forest and meadow openings at low to moderate elevations.
Origin: Native
Flowers: May-July
Vancouver groundcone (Kopsiopsis hookeri)
Distribution: Occurring west of the Cascades crest along the Puget Sound and outer coast in Washington; British Columbia to California.
Habitat: Myco-heterotrophic on Gaultheria shallon, which occurs primarily in forest understories, along forest edges, and in forest and meadow openings at low to moderate elevations.
Origin: Native
Flowers: May-July
Groundivy (Glechoma hederacea)
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
Arrowleaf groundsel (Senecio triangularis)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Moist places and streambanks, moderate to high elevations in the mountains, and low elvations west of the Cascades.
Origin: Native
Flowers: June-September
Balsam groundsel (Packera paupercula)
Distribution: Occurring east of the Cascades in Washington; British Columbia south to Oregon and New Mexico, east to Labrador and Virginia.
Habitat: Meadows, moist cilffs and woods, foothills to moderate elevations in the mountains.
Origin: Native
Flowers: May-October
Black-tipped groundsel (Senecio lugens)
Distribution: Alaska and Yukon, south to the Olympic Mountains and the northern mountains in Wyoming; reported in Okanogan County, but otherwise not known in the Cascades.
Habitat: Wet meadows, grassy alpine slopes and rich northern woods.
Origin: Native
Flowers: July - August
Bolander's groundsel (Packera bolanderi)
Distribution: Along the coast from the estuary of the Columbia River to California.
Habitat: Bluffs, woodlands and beaches.
Origin: Native
Flowers: June-July
Butterweed groundsel (Senecio serra)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains north of Arizona and New Mexico.
Habitat: Meadows and open, moist hillsides, foothills to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Cleftleaf groundsel (Packera streptanthifolia)
Distribution: Alaska to California, east to Colorado
Habitat: Moist to moderately dry open areas and woods, mid- to high elevations in the mountains
Origin: Native
Common groundsel (Senecio vulgaris)
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout most of North America.
Habitat: Roadsides, waste ground, lawns, and other disturbed, open sites.
Origin: Introduced from Europe
Flowers: February-May
Elegant groundsel (Packera indecora)
Distribution: Alaska to Washington, east to Montana
Habitat: Uncommon in moist woods and on stream banks, moderate elevations in the mountains
Origin: Native
Flowers: July - August
Few-leaved groundsel (Packera subnuda)
Distribution: Occurring in the Cascade Mountains of Washington; Washington south to California, east to Montana and Wyoming.
Habitat: Alpine and subalpine wet meadows.
Origin: Native
Flowers: July-September.
Flett's groundsel (Packera flettii)
Distribution: From the foothills to the tops of the Olympic Mountains in Washington, and also at high elevations in the Cascades in the vicinity of Mount Rainier.
Habitat: Open, rocky places, especilly on talus slopes.
Origin: Native
Flowers: June - August
Long rayed groundsel (Packera macounii)
Distribution: West of the Cascades, British Columbia to southern Oregon, mostly in the Puget Trough.
Habitat: Open woods and dry, open places.
Origin: Native
Flowers: May - July
Macoun's groundsel (Packera macounii)
Distribution: West of the Cascades, British Columbia to southern Oregon, mostly in the Puget Trough.
Habitat: Open woods and dry, open places.
Origin: Native
Flowers: May - July
Porter's groundsel (Packera porteri)
Origin: Native
Rayless alpine groundsel (Packera pauciflora)
Distribution: Alaska, east across Canada to Labrador, south to northern Washington and Idaho.
Habitat: Alpine and sub-alpine meadows and moist cliffs.
Origin: Native
Flowers: July - August
Rayless mountain groundsel (Packera indecora)
Distribution: Alaska to Washington, east to Montana
Habitat: Uncommon in moist woods and on stream banks, moderate elevations in the mountains
Origin: Native
Flowers: July - August
Rocky Mountain groundsel (Packera streptanthifolia)
Distribution: Alaska to California, east to Colorado
Habitat: Moist to moderately dry open areas and woods, mid- to high elevations in the mountains
Origin: Native
Stout meadow groundsel (Senecio hydrophiloides)
Distribution: East of the Cascades, Okanogan County and adjacent British Columbia, south to eastern Oregon and east to western Montana.
Habitat: Wet meadows in the mountains and foothills, but not in alkali.
Origin: Native
Flowers: May - July
Water groundsel (Senecio hydrophilus)
Distribution: East of the Cascades, British Columbia to California, east to South Dakota and Colorado.
Habitat: Swampy places in the valleys and foothills; tolerant of alkali.
Origin: Native
Flowers: June- September
Western groundsel (Senecio integerrimus)
Distribution: Occurring chiefly east of the Cascades crest in Washington, where widely distributed; British Columbia to California, east to the Great Plains and Great Lakes region.
Habitat: Meadows and seasonally moist open areas from low elevations to the subalpine.
Origin: Native
Flowers: May-July
Wood groundsel (Senecio sylvaticus)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, also in eastern North America.
Habitat: Disturbed ground at low elevations.
Origin: Introduced from Europe
Flowers: May-September
Woodland groundsel (Senecio sylvaticus)
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, also in eastern North America.
Habitat: Disturbed ground at low elevations.
Origin: Introduced from Europe
Flowers: May-September
Woolly groundsel (Packera cana)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Saskatchewan and Nebraska.
Habitat: Dry, open, often rocky places, from the foothills to above timberline.
Origin: Native
Flowers: May-August
Black-foot groundsmoke (Gayophytum racemosum)
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
Deceptive groundsmoke (Gayophytum decipiens)
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
Dwarf groundsmoke (Gayophytum humile)
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
Pinyon groundsmoke (Gayophytum ramosissimum)
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
Racemose groundsmoke (Gayophytum racemosum)
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
Spreading groundsmoke (Gayophytum diffusum)
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
Zigzag groundsmoke (Gayophytum heterozygum)
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
Grouseberry (Vaccinium scoparium)
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Colorado.
Habitat: Open, dry forests, mid- to high elevations in the mountains.
Origin: Native
Flowers: May-August
Little gruvelia (Gruvelia pusilla)
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
Guaco (Peritoma serrulata)
Distribution: East of the Cascades in Washington; widely distributed throughout North America except Alaska and southeastern U.S.
Habitat: Sagebrush deserts and Ponderosa pine forest openings.
Origin: Native
Flowers: June-August
Gumbo lomatium (Lomatium leptocarpum)
Distribution: Occurring east of the Cascades crest in the southeastern counties in Washington; southeastern Washington to southern Oregon, east to western Idaho.
Habitat: Seasonally wet, usually shallow-soil meadows, and micro-depressions in vernally wet, rocky sites, often with clay component.
Origin: Native
Flowers: May-June
Columbia gumplant (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Oregon gumplant (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Puget Sound gumplant (Grindelia integrifolia)
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
Coastal gumweed (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Columbia gumweed (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Curlycup gumweed (Grindelia squarrosa)
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east across southern Canada and most of the United States to the Atlantic Coast.
Habitat: Dry, open, often sandy places, at low elevations.
Origin: Introduced
Flowers: June-September
Gumweed (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Idaho gumweed (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Low gumweed (Grindelia hirsutula)
Distribution: From the coast to mid elevations; both sides of the Cascades in Washington. British Columbia south to California, east to New York and Quebec.
Habitat: Coastal bluffs, forest openings, alluvial areas, disturbed sites.
Origin: Native
Flowers: May-October
Puget Sound gumweed (Grindelia integrifolia)
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
Willamette Valley gumweed (Grindelia integrifolia)
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
Gypsy flower (Cynoglossum officinale)
Distribution: Widely distributed east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, meadows, forest edge, ditches, and other disturbed open areas; noxious weed.
Origin: Introduced from Eurasia
Flowers: May-July