Carex cryptolepis Mack. ?

Montana: Flathead County: Echo Lake, Swan Valley.
48.126606° N, 114.041606° W,
Datum: WGS 84. Uncertainty: 1974 meters. Coordinate Source: GeoLocate.
Phenology: Fertile.

G. W. Prescott s.n., Jul 1950
ID, Accession: 83231, Barcode: ID016551