Distribution: Endemic to Olympic Mountains in Washington.
Habitat: Subalpine to alpine talus slopes.
Flowers: June-August
Origin: Native
Conservation Status: Threatened in Washington (WANHP)
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PNW Herbaria: Specimen records of Astragalus australis var. cottonii in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Astragalus australis var. cottonii checklist entry.
E-Flora BC: Astragalus australis var. cottonii atlas page.
CalPhotos: Astragalus australis var. cottonii photos.
USDA Plants: Astragalus australis var. cottonii information.