United States, Minnesota, Cook, Boundary Waters Canoe Area Wilderness / Superior National Forest. Cook County...Boundary Waters Canoe Area Wilderness, Superior National Forest. On the south side of the Royal River T 64N R 3E SW1/4 of NE1/4 of Sec 3. 064N 03E 3
48.06 -90.0413889
,;collector
In a rocky/silty substrate at the edge of the river. Associated with Alisma triviale, Ribes hudsonianum, Scutellaria lateriflora, Acorus americanus.