Draba
draba, whitlow-grass, whitlow-wort
20 species
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Draba albertina – Alaska draba, slender whitlow-grass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Montane forest openings to alpine meadows.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Montane forest openings to alpine meadows.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Draba aurea – golden draba, golden whitlow-grass
Distribution: Occurring east of the Cascades crest in north-central Washington; Alaska to north-central Washington, east to the Rocky Mountains; Greenland.
Habitat: Montane forest to alpine ridges or meadows.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in north-central Washington; Alaska to north-central Washington, east to the Rocky Mountains; Greenland.
Habitat: Montane forest to alpine ridges or meadows.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba aureola – alpine whitlow-grass, great alpine whitlow-grass, Mt. Lassen whitlow-grass
Distribution: Occurring west of the Cascades crest in Washington in the Mount Rainier area; Washington to northern California
Habitat: Alpine areas, including scree and moraine areas.
Origin: Native
Flowers: June-August
Growth Duration: Biennial, Perennial
Distribution: Occurring west of the Cascades crest in Washington in the Mount Rainier area; Washington to northern California
Habitat: Alpine areas, including scree and moraine areas.
Origin: Native
Flowers: June-August
Growth Duration: Biennial, Perennial
Draba cana – lance-leaved draba
Distribution: Reported from northern Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: On open knolls or dry meadows to rock crevices, from subalpine to alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Reported from northern Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: On open knolls or dry meadows to rock crevices, from subalpine to alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba crassifolia – Rocky Mountain draba, thick-leaved draba, snowbed whitlow-grass
Distribution: Occurring in the Olympic Mountains and North Cascades in Washington; Alaska to Washington, Nevada, east to the Rocky Mountains; east across northern Canada to Greenland; northern Europe.
Habitat: Subalpine and alpine meadows, often in rock crevices and outcroppings.
Origin: Native
Flowers: June-August
Growth Duration: Annual, Perennial
Distribution: Occurring in the Olympic Mountains and North Cascades in Washington; Alaska to Washington, Nevada, east to the Rocky Mountains; east across northern Canada to Greenland; northern Europe.
Habitat: Subalpine and alpine meadows, often in rock crevices and outcroppings.
Origin: Native
Flowers: June-August
Growth Duration: Annual, Perennial
Draba densifolia – Nuttall's draba, dense-leaf whitlow-grass
Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, Wyoming, Nevada and Utah.
Habitat: Open, rocky places from mid- to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, Wyoming, Nevada and Utah.
Habitat: Open, rocky places from mid- to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba incerta – whitlow-wort, Yellowstone draba whitlow-wort
Distribution: Occurring in the Cascades and Olympic Mountains in Washington; British Columbia and Alberta south to Washington, east to Montana and Wyoming.
Habitat: Alpine and subalpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in the Cascades and Olympic Mountains in Washington; British Columbia and Alberta south to Washington, east to Montana and Wyoming.
Habitat: Alpine and subalpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba lonchocarpa – lancefruit draba, whitlow-wort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territories, south in Rocky mountains to Colorado.
Habitat: Alpine slopes, talus, and rocky outcroppings.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territories, south in Rocky mountains to Colorado.
Habitat: Alpine slopes, talus, and rocky outcroppings.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba nemorosa – woods draba, woodland whitlow-grass
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across the northern half of the U.S. and Canada to the Atlantic Coast.
Habitat: Disturbed open areas and forest edges at low to middle elevations.
Origin: Introduced from Eurasia
Flowers: March-June
Growth Duration: Annual
Distribution: In scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across the northern half of the U.S. and Canada to the Atlantic Coast.
Habitat: Disturbed open areas and forest edges at low to middle elevations.
Origin: Introduced from Eurasia
Flowers: March-June
Growth Duration: Annual
Draba novolympica – Payson's draba, Payson's whitlow-grass
Distribution: Occurring in the Olympics and Cascades mountains of Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Open slopes, talus ridges, and other exposed areas in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in the Olympics and Cascades mountains of Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Open slopes, talus ridges, and other exposed areas in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba oligosperma – few-seeded draba, few-seeded whitlow-grass
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to Colorado.
Habitat: From sagebrush plains to alpine slopes.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to Colorado.
Habitat: From sagebrush plains to alpine slopes.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Draba platycarpa – broad-pod whitlow-grass
Distribution: Occurring in the east end of the Columbia River Gorge in Washington; south-central Washington, northeastern Oregon, and adjacent Idaho, east to the south-central U.S.
Habitat: Sagebrush plains to desert washes and hillsides.
Origin: Native
Flowers: March-June
Growth Duration: Annual
Distribution: Occurring in the east end of the Columbia River Gorge in Washington; south-central Washington, northeastern Oregon, and adjacent Idaho, east to the south-central U.S.
Habitat: Sagebrush plains to desert washes and hillsides.
Origin: Native
Flowers: March-June
Growth Duration: Annual
Draba praealta – tall whitlow-grass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territories, Alberta, Montana, Idaho, Wyoming, and central Nevada.
Habitat: Montane woodland to subalpine ridges.
Origin: Native
Flowers: June-August
Growth Duration: Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territories, Alberta, Montana, Idaho, Wyoming, and central Nevada.
Habitat: Montane woodland to subalpine ridges.
Origin: Native
Flowers: June-August
Growth Duration: Biennial, Perennial
Draba reptans – Carolina whitlow-grass
Distribution: Occurring east of the Cascades crest in Washington; central British Columbia to California, east to the Atlantic Coast.
Habitat: Desert plains and foothills.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; central British Columbia to California, east to the Atlantic Coast.
Habitat: Desert plains and foothills.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Draba ruaxes – coast mountain draba, coast mountain whitlow-grass
Distribution: Occurring on both sides of the Cascades crest in northern Washington; Alaska to Washington, east to Alberta.
Habitat: Rock crevices and slopes at or above timberline.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in northern Washington; Alaska to Washington, east to Alberta.
Habitat: Rock crevices and slopes at or above timberline.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Draba stenoloba – Alaska whitlow-grass
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to Alberta.
Habitat: Sublapine meadows to alpine slopes.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to Alberta.
Habitat: Sublapine meadows to alpine slopes.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Draba taylorii
Distribution: Occurring along and east of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Rock crevices, ledges, and benches in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring along and east of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Rock crevices, ledges, and benches in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba thompsonii – Thompson's draba
Distribution: Occurring on both sides of the Cascades crest in northern Washington; southern British Columbia to central Washington, disjunct in Yukon Territory.
Habitat: Subalpine to alpine talus slopes and rock crevices.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in northern Washington; southern British Columbia to central Washington, disjunct in Yukon Territory.
Habitat: Subalpine to alpine talus slopes and rock crevices.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Draba verna – spring whitlow-grass
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, and from the central U.S. and eastern Canada to the Atlantic Coast; circumboreal.
Habitat: Shrub-steppe, grasslands, and open disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: February-May
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, and from the central U.S. and eastern Canada to the Atlantic Coast; circumboreal.
Habitat: Shrub-steppe, grasslands, and open disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: February-May
Growth Duration: Annual
