Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; southern British Columbia to California, east to the Atlantic Coast.
Occurring on both sides of the Cascades crest in Washington; southeastern British Columbia to north-central Washington, east across Canada to Ontario.
Occurring east of the Cascades crest in Washington; southeastern British Columbia to north-central Washington;
Occurring along the Columbia River and east of the Cascades in Washington; southwestern Washington to northern Oregon, east to west-central Idaho; also in southwestern British Columbia.
Occurring east of the Cascades crest and west of the crest along the lower Columbia River in Washington; southern British Columbia to southern Oregon, east to the northern Rocky Mountain States, Great Plains, and Quebec.PNW Herbaria: Specimen records of Corispermum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Corispermum checklist entry
OregonFlora: Corispermum information
E-Flora BC: Corispermum atlas page
CalPhotos: Corispermum photos