Prunus virens (Wooton & Standl.) Shreve var. rufula (Woot. & Standl.) Sarg.
[= Prunus serotina var. rufula]

Montana: Sanders County: The National Bison Range. [Map shows northwest part of range, just south of Sanders County border.]
North-facing rocky slope. Phenology: Fruits.

J. H. Thomas 11863, Jun 30, 1966
MONT, Accession: 63035