Distribution: Occurring east of the Cascades crest in Washington, where endemic to south-central Washington.
Habitat: Dry, open areas in shrub-steppe.
Flowers: April-May
Origin: Native
Growth Duration: Perennial
Conservation Status: Sensitive in Washington (WANHP)
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Astragalus columbianus in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Astragalus columbianus checklist entry.
OregonFlora: Astragalus columbianus information.
E-Flora BC: Astragalus columbianus atlas page.
CalPhotos: Astragalus columbianus photos.
USDA Plants: Astragalus columbianus information.