Distribution: Known historically from Walla Walla County but considered extirpated; southern Alberta to east-central California, east to Rocky Mountains and northern Great Plains.
Habitat: Sandy deserts to alpine ridges.
Flowers: July-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Presumed extirpated in Washington (WANHP)
Pollination: Bumblebees, bees, butterflies
[none provided]
Publication: Proc. Acad. Nat. Sci. Philadelphia 60. 1863 1863.
- var. douglasii – spiny millk-vetch, thistle milk-vetch Historically endemic to vicinity of Walla Walla County in Washington, but now believed to be extinct.
PNW Herbaria: Specimen records of Astragalus kentrophyta in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Astragalus kentrophyta checklist entry.
OregonFlora: Astragalus kentrophyta information.
E-Flora BC: Astragalus kentrophyta atlas page.
CalPhotos: Astragalus kentrophyta photos.
USDA Plants: Astragalus kentrophyta information.
