Polygonum coccineum Muhl. f. terrestre (Willd.) Sanford

Montana: Jefferson County: Fifteen miles south of Helena along highway to Butte.
46.38011° N, 112.031558° W,
Uncertainty: 8000 meters.
Phenology: Flowers.

C. L. Hitchcock 13671, Aug 16, 1945
With C. V. Muhlick
WTU, Accession: 100573