Lupinus festucasocius C.P. Sm.

Idaho: Lemhi National Forest: Copper Basin potholes. Elev. 7500 ft.
4% slope; Shallow gravel soil; Sage-grass; Fescue, Poa, Lupine associated plants; Semi-dry places. Common; 8-14 in. high; June 15 - July 20 flowering period. Phenology: Flowering. Holotype: Lupinus festucasocius C.P. Sm.. Published 1952. Spec. Lupinorum 738, fig. 1952.

R. B. Johnson 20, Jul 16, 1927
USFS, Accession: 507845, Barcode: USFS0030060