Locality:
United States, Wisconsin, Douglas, N shore of Lake Minnesuing, just E of boat landing. Along the outflow N of the Minnesuing Road bridge. (WGS84)
Habitat:
Lining lakeshore. Calamagrostis canadensis, Phalaris arundinacea and Lythrum salicaria common also. Large population lining the lakeshore, and forming large clumps. Flowers bright yellow.