U.S.A., Wyoming, Sheridan, Sheridan Training Area: 2.6 km NE of Peak 4202, 1.6 km NW of Peak 4244.
337000E, 4969460N
1220 meters
1220 m.
Local in ephemeral riparian area with level to 40 deg banks of silty clay; soil series Shingle-Samday clay loams, with Acer negundo, Populus x acuminata, Symphoricarpos occidentalis, Shepherdia argentea, and Galium aparine.