United States, Minnesota, Aitkin, Aitkin Co.; East of "Junction 7" knob in Savanna Portage State Park. In releve 97-05; T 51N R 22W SW1/4 of NE1/4 of Sec;Savanna Portage State Park;051N;22W;03
46.847837 -93.111029 +-284m.
Hardwood swamp dominated by Fraxinus nigra. Associated with Arisaema triphyllum, Scutellaria lateriflora, Caltha palustris, Carex intumescens var. fernaldii, C. gracillima.