Descurainia
tansymustard
6 species
2 subspecies and varieties
2 subspecies and varieties
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Descurainia incana – mountain tansymustard
Distribution: Occurring east of the Casades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Sagebrush and confier forest openings from low to middle elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Casades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Sagebrush and confier forest openings from low to middle elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Descurainia incisa – cut-leaved tansymustard
Distribution: Occurring chiefly east of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains.
Habitat: Moderately dry forest openings and sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains.
Habitat: Moderately dry forest openings and sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
• ssp. incisa – cut-leaved tansymustard
Descurainia longepedicellata – mountain tansymustard, narrow tansymustard, sticky tansymustard
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon and Nevada, east to the Rocky Mountains from Montana to Arizona, but not New Mexico.
Habitat: Moderately dry forest openings and sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon and Nevada, east to the Rocky Mountains from Montana to Arizona, but not New Mexico.
Habitat: Moderately dry forest openings and sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Descurainia nelsonii – Nelson's tansymustard, sagebrush tansymustard
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, Idaho, and Nevada.
Habitat: Sagrebrush desert to open montane forests.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, Idaho, and Nevada.
Habitat: Sagrebrush desert to open montane forests.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Descurainia pinnata – western tansymustard
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Weedy native of fairly dry, open ground.
Origin: Native
Flowers: April-July
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Weedy native of fairly dry, open ground.
Origin: Native
Flowers: April-July
Growth Duration: Annual
• ssp. brachycarpa – shortpod tansymustard, western tansymustard
Descurainia sophia – flixweed
Distribution: Occurring east of the Cascades in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Weed of dry waste ground and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: March-July
Growth Duration: Annual, Biennial
Distribution: Occurring east of the Cascades in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Weed of dry waste ground and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: March-July
Growth Duration: Annual, Biennial
