United States, Minnesota, Rock, Rock County...Blue Mounds State Park, about 4 mi N-NE of Luverne...Mound Creek...T103N R45W NW1/4 of NW1/4 of Sec 24;Blue Mounds State Park;103N;45W;24
43.7163889 -96.1897222
In a wet meadow adjacent to the impoundment ... Associated with Lycopus uniflorus, Silphium perfoliatum, Stachys palustris, Asclepias incarnata.