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; 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 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 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 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 on both sides of the Cascades crest in Washington; southwestern British Columbia to northwestern Oregon, east across Canada and the northern U.S. to the Atlantic Coast.
   Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to northwestern Oregon, east across Canada and the northern U.S. to the Atlantic Coast. 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.
   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