Astragalus purshii Douglas var. glareosus (Douglas) Barneby × Astragalus purshii Douglas var. purshii intermediate

Idaho: Butte County: Southwestern portion of site, center of lava flow, 0.9 mi SW of Taber Road on T-18, ca 2 mi W of T-18. Elev. 5000 ft.
T2N R30E S33 Center 1/2
Datum: NAD 27. Uncertainty: 800 meters. Coordinate Source: TRS2LL.
Top of lava ridge, soil small pockets in cracks of rock. Open community of Artemisia tridentata wyomingensis, A. tridentata tridentata, Chrysothamnus viscidiflorus, and C. nauseosus. Plants are rare ( 15 indiv.). Phenology: Flowers.

A. F. Cholewa 965, Jun 15, 1982
ID, Accession: 76535, Barcode: ID062464