Astragalus robbinsii (Oakes) Gray var. minor (Hook.) Barneby
Annotated by P. C. Sokoloff, 2022. Remarks: National Herbarium of Canada, Canadian Museum of Nature

Washington: Okanogan County: 12.3 miles up Big boulder Creek, about 20 miles northeast of Winthrop.
T23E R36N
Datum: WGS 84. Uncertainty: 1000 meters. Coordinate Source: GeoLocate.
Along small gravelly stream in lodgepole-Douglas fir forest. Plant multistemmed, erect; flowers spreading, whitish with lavender-tinged, especially the keel-tip; wings much exceeding the keel; banner margins rolled back; pods pendent, stipe shorter than the calyx; pods triquetrous, the lower suture half way intruded.¶[DNA voucher taken for Taxonomic resolution project by Paul Sokoloff at Canadian Museum of Nature. July 28, 2010]. Phenology: Flowers.

C. Leo Hitchcock 21630, Jul 3, 1958
With C. V. Muhlick
WTU, Accession: 189741, Barcode: WTU-V-102408