Distribution: Occurring chiefly east of the Cascades crest in the northeastern counties of Washington, but also disjunct on the Olympic Peninsula; southern British Columbia to Washington, east to Montana and Wyoming.
Habitat: Prairies and foothills to ponderosa pine forests.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Sensitive in Washington (WANHP)
Pollination: Bumblebees, bees, butterflies
[none provided]
PNW Herbaria: Specimen records of Astragalus microcystis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Astragalus microcystis checklist entry
OregonFlora: Astragalus microcystis information
E-Flora BC: Astragalus microcystis atlas page
CalPhotos: Astragalus microcystis photos