Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Rocky Mountains, south to Mexico.
Habitat: Chiefly in sandy to rocky, exposed or wooded areas, more common at low elevations.
Flowers: April-September
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Acmispon americanus var. americanus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Acmispon americanus var. americanus checklist entry
OregonFlora: Acmispon americanus var. americanus information
E-Flora BC: Acmispon americanus var. americanus atlas page
CalPhotos: Acmispon americanus var. americanus photos