United States, Minnesota, Pennington, About 16 miles southwest of Thief River Falls. NW1/4 of SE1/4 of section;Pembina Wildlife Management Area;152N;45W;18
47.9838889 -96.4658333
47° 59' 2" N,96° 27' 57" E;collector
In wet-mesic prairie dominated by Andropogon gerardii.
Associated with Petalostemon purpureus, Parnassia glauca, Zizia aptera.