Distribution: Occurring on both sides of the Cascades crest in Washington; southern British Columbia to California, east to the Atlantic Coast.
Habitat: Sandy, open sites, including shorelines, fields and disturbed areas, from low to middle elevations.
Flowers: July-September
Origin: Native
Growth Duration: Annual
Conservation Status: Review Group 1 in Washington (WANHP)
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Corispermum americanum var. americanum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Corispermum americanum var. americanum checklist entry.
OregonFlora: Corispermum americanum var. americanum information.
E-Flora BC: Corispermum americanum var. americanum atlas page.
CalPhotos: Corispermum americanum var. americanum photos.
USDA Plants: Corispermum americanum var. americanum information.
