Stereophyllum radiculosum (Hook.) Mitt.

Idaho: Custer County: Along Summit Creek, Pioneer Mountains, Challis National Forest, 29 miles south-southwest of MacKay. Elev. 7800 ft.
43.846115° N, 114.196023° W,
Datum: WGS 84. Uncertainty: 6714 meters. Coordinate Source: Digital Map.
Wooded slope with limestone boulders. On soil, rocks, and bases of trees. Substrate: terricolous.

Eula Whitehouse 24964, Feb 18, 1951
WTU, Barcode: WTU-B-057566