Mentha rubella Rydb.
Annotated by CLH.

Montana: Granite County: Rock Creek, near mouth of Little Hogback Creek. Elev. 4300
46.4425° N, 113.75833° W,
Datum: WGS 84. Uncertainty: 444 meters. Coordinate Source: Digital Map.
Dry roadside. Phenology: Flowers.

C. L. Hitchcock 2097, Aug 9, 1933
MONT, Accession: 21328