United States, Minnesota, Clay, Audubon Prairie: 16.5 mi E-SE of Moorhead. NW1/4 NE1/4 Sec32, T139N, R45W. Near woods.;Audubon Prairie, The Nature Conservancy;139N;45W;32
46.8112046 -96.3982237 +-800m.
In open area with Populus tremuloides, Cornus stolonifera, Potentilla anserina, Petalostemum purpureum.