United States, Minnesota, Pine, Pine Co. St. Croix Natural Area, 21 mi E of Hinckley, St. Croix riverbank; NW1/4 SW1/4 Sec. 35 T41N R17W;Saint Croix State Park;041N;17W;35
45.992812 -92.461383 +-800m. WGS84
Riverbank with Polygonum sp., Echinocystis lobata, Oenothera biennis, Mimulus ringens