United States, Minnesota, Saint Louis, Boundary Waters Canoe Area Wilderness / Superior National Forest. St. Louis County...Along the portage between Burntside Lake and Crab Lake, in the Boundary Waters Canoe Area Wilderness, Superior National Forest...T 63N R 14W NE1/4 of SE1/4 of Sec 18. 063N 14W 18
47.9355556 -92.1633333
In mud at the edge of a shallow, sunny wetland. Associated with Glyceria borealis, Dulichium arundinacuem, Juncus brevicaudatus, Scirpus hattorianus.