Hieracium
hawkweed
17 species
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Hieracium albiflorum – white hawkweed, white-flowered hawkweed
Distribution: Widely distributed in forested areas on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada.
Habitat: Open woods from low to middle elevations.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Widely distributed in forested areas on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada.
Habitat: Open woods from low to middle elevations.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Hieracium aurantiacum – orange hawkweed
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across southern Canada and northern U.S; widely distributed throughout eastern U.S.
Habitat: Roadsides, fields, meadows, pastures, forest edge, wastelots, and other disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across southern Canada and northern U.S; widely distributed throughout eastern U.S.
Habitat: Roadsides, fields, meadows, pastures, forest edge, wastelots, and other disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium caespitosum – meadow hawkweed, yellow king devil
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho, Montana, and Wyoming; also occurring throughout eastern North America.
Habitat: Moist pastures, forest openings, roadsides, and springs, from the lowlands to middle elevations in the mountains, usually where disturbed.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho, Montana, and Wyoming; also occurring throughout eastern North America.
Habitat: Moist pastures, forest openings, roadsides, and springs, from the lowlands to middle elevations in the mountains, usually where disturbed.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium flagellare – whip hawkweed
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington, east to Idaho; also in eastern North America.
Habitat: Roadsides, dry meadows, railroads, and other disturbed, open areas at low elevations.
Origin: Introduced from Europe
Flowers: May-September
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington, east to Idaho; also in eastern North America.
Habitat: Roadsides, dry meadows, railroads, and other disturbed, open areas at low elevations.
Origin: Introduced from Europe
Flowers: May-September
Growth Duration: Perennial
Hieracium ×floribundum – flowery hawkweed
Distribution: Occurring in scattered locations in lowland western Washington; Washington east to Montana and Wyoming; eastern North America.
Habitat: Disturbed areas at low elevations.
Origin: Introduced
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring in scattered locations in lowland western Washington; Washington east to Montana and Wyoming; eastern North America.
Habitat: Disturbed areas at low elevations.
Origin: Introduced
Flowers: May-July
Growth Duration: Perennial
Hieracium glomeratum – yellow devil hawkweed
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Open forest, meadows, disturbed ground, roadsides, stream banks, and gravel pits generally at low elevations.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Open forest, meadows, disturbed ground, roadsides, stream banks, and gravel pits generally at low elevations.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Perennial
Hieracium lachenalii – common hawkweed, English hawkweed, European hawkweed
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to northern Oregon; also in eastern North America.
Habitat: Open forest, fields, shores, wastelots, and other disturbed areas generally at low to middle elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to northern Oregon; also in eastern North America.
Habitat: Open forest, fields, shores, wastelots, and other disturbed areas generally at low to middle elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium longiberbe – long-bearded hawkweed
Distribution: Occurring in the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon; endemic to the Columbia River Gorge.
Habitat: Dry rocky slopes and ledges.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring in the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon; endemic to the Columbia River Gorge.
Habitat: Dry rocky slopes and ledges.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Hieracium maculatum – mottled hawkweed
Distribution: Occurring west of the Cascades crest in lowland western Washington; southwestern British Columbia to western Washington.
Habitat: Lawns, railroads, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: June-August
Distribution: Occurring west of the Cascades crest in lowland western Washington; southwestern British Columbia to western Washington.
Habitat: Lawns, railroads, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: June-August
Hieracium murorum – wall hawkweed
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; southern British Columbia to northern Oregon.
Habitat: Roadsides, open forest, railroads, and other disturbed areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; southern British Columbia to northern Oregon.
Habitat: Roadsides, open forest, railroads, and other disturbed areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Perennial
Hieracium pilosella – mouse-ear hawkweed
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon; also in northeastern North America.
Habitat: Roadsides, dry prairies, quarries, lawns, railroads, and other disturbed, open sites.
Origin: Introduced from Europe
Flowers: April-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon; also in northeastern North America.
Habitat: Roadsides, dry prairies, quarries, lawns, railroads, and other disturbed, open sites.
Origin: Introduced from Europe
Flowers: April-August
Growth Duration: Perennial
Hieracium piloselloides – tall hawkweed
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to northeastern Oregon.
Habitat: Roadsides, meadows, forest openings, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to northeastern Oregon.
Habitat: Roadsides, meadows, forest openings, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium sabaudum – savoy hawkweed
Distribution: Occurring west of the Cascades crest in Washington; southern British Columbia to Washington; also in eastern North America.
Habitat: Roadsides, sandy fields, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; southern British Columbia to Washington; also in eastern North America.
Habitat: Roadsides, sandy fields, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium scouleri – hound-tongue hawkweed, Scouler's hawkweed
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Utah.
Habitat: Mostly dry places in open woods, from foothills to middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Utah.
Habitat: Mostly dry places in open woods, from foothills to middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Hieracium ×stoloniflorum – forked hawkweed
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; no other reports from North America.
Habitat: Lawns, roadsides, ditches, and other disturbed areas, where escaping from cultivation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; no other reports from North America.
Habitat: Lawns, roadsides, ditches, and other disturbed areas, where escaping from cultivation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Hieracium triste – alpine hawkweed, slender hawkweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains of Canada and the U.S.
Habitat: Meadows and other open places in the mountains, usually at high elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains of Canada and the U.S.
Habitat: Meadows and other open places in the mountains, usually at high elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Hieracium umbellatum – narrowleaf hawkweed, umbellate hawkweed
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to northwestern Oregon, east across the northern half of North America to the Atlantic Coast; circumboreal.
Habitat: Moist places in thickets and open woods.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to northwestern Oregon, east across the northern half of North America to the Atlantic Coast; circumboreal.
Habitat: Moist places in thickets and open woods.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
