United States, Michigan, Kalamazoo, Whitman Lake, beaver dam ca 0.4 mi SW of middle of
42.296927 -85.307246
Southern wet meadow; on & just above bank stream below beaver dam in shade of sedges. Assoc.: Carex stricta, Caltha palustris, Salix spp. Convolv., Helianthus gig., Leonurus card.