United States, Minnesota, Mahnomen, White Earth Indian Reservation. Mahnomen Co.; T 145 N, R 40 W, Sect. 31, SE 1/4, SE 1/4. Western-most water body of Perch Lake group, N side of of Minn. Rte. 200, 8.2 miles E of its jct. with U.S. Rte. 59 at Mahnomen.. 145N 40W 31
47.3317069 -95.7948171 +-800m.
Growing in inner edge of inner zone of herbs surrounding the lake. Water table very low this year.