United States, Minnesota, Fillmore, Forestville State Park. Fillmore County...T102N R12W Sec.19 SE SE SE; near Root River near Mystery Cave I;Forestville State Park;102N;12W;19
43.623688 -92.318984 +-800m. WGS84
Disturbed ground near River; with vervain, nettles, St. John's-wort