United States, Minnesota, Washington, Washington Co. T32N R19W; SW1/4 NE1/4 sec.31. In William O'brien State Park, on the N side of the campground;William O'Brien State Park;032N;19W;31
45.217939 -92.762338 +-341m.
Wet, alluvial woods. With Carex typhina, Carex bromoides, Boehmeria cylendrica