United States, Minnesota, Yellow Medicine, Upper Sioux Agency State Park, about 7 miles southwest of Sacred Heart; In the Minnesota Valley. SE1/4 of SE1/4 of section;Upper Sioux Agency State Park;115N;38W;29
44.735 -95.4425
,;collector
In a grassy/brushy habitat...Associated with Boltonia asteroides var. recognita, Artemisia biennis, Rudbeckia laciniata, Ambrosia trifida, Vernonia fasciculata.