United States, Minnesota, Mahnomen, Mahnomen Co.; on east shore of South Twin Lake; T143 R39 NW of Sec. 4;White Earth Indian Reservation / White Earth State Forest;143N;39W;4
47.230507 -95.626261 +-800m. WGS84
At edge of damp depression east of ice thrust ridge; With Calamagrostis canadensis, Aster simplex, Prenanthes alba.