United States, Minnesota, Wadena, Wadena County ... Along the Crow Wing River four miles south-southwest of Oylen, one mile south-southeast of the Knob Hill campground ... T135N R33W SW1/4 of SW1/4 of NE1/4 Sec.11 (near center of Sec.11). 135N 33W 11
46.499962 -94.807535 +-969m.
In alluvial forest along west bank of the river. Canopy and understory dominated by Fraxinus pennsylvanica here. Deep silty substrate ... Associated species include Carex stricta, C. lacustris, Phalaris arundinacea, Iris versicolor, Laportea canadensis, Cornus amomum, and Acer saccharinum seedlings.