United States, Minnesota, Wadena, Wadena County...Along the Crow Wing River downstream from Knob Hill, 3.5 miles south of Oylen...T135N R33W SE1/4 of NW1/4 of NE1/4 Sec. 11...UTM: 5153962N 361443E. 135N 33W 11
46.499962 -94.807535 +-969m.
in small openings in alluvial forest and on river bank. Silty substrate, in river floodplain. Mostly in full sun. Associated species include Calamagrostis canadensis, Phalaris arundinacea, Carex lacustris, Urtica dioica, Polygonum coccineum, Echinocystis lobata, Pilea fontana, Impatiens capensis, Mentha arvensis.