United States, Minnesota, Pine, Pine Co. St. Croix Natural Area: 21 mi E of Hinckley. NW1/4 NE1/4 Sec. 9, T40N, R17W.;Saint Croix State Park;040N;17W;9
45.973857 -92.473862 +-800m. WGS84
Rocky slough, floodplain, Silver maple with Myosotis scorpoides, Urtica dioica, Osmunda regalis, Onoclea sensibilis, Tilia americana.