Draba oligosperma Hook. × Draba paysonii J.F. Macbr. var. treleasii (O.E. Schulz) C.L. Hitchc.
Annotated by Lawton Fox, 1992.

Idaho: Custer County: Summit of Peak 10718, 1 mile east of Gunsight Lake, White Cloud Mountains, 17 miles SE of Stanley, Challis N.F., Unsurveyed.
44.127003° N, 114.586109° W,
Datum: WGS 84. Uncertainty: 559 meters. Coordinate Source: Digital Map.
Granitic substrate; fellfield community and rocky ledges with Carex elynoides, Festuca ovina, Astragalus kentrophyta, Eritrichium nanum, Smelowskia calycina, Bupleurum americanum, Geum rossi, Dryas octopetala, Arenaria obtusiloba. Fruits only; fairly common. Phenology: Flowers and Fruits.

M. Mancuso 472, Aug 13, 1990
ID, Accession: 103454, Barcode: ID069908