United States, Minnesota, Clay, Audubon Prairie: 16.5 mi ese of Moorhead. SW1/4 SE1/4 Sec.31 T139N R45W.;Audubon Prairie, The Nature Conservancy;139N;45W;31
46.811065 -96.414696 +-969m.
Moist meadow along ditch with Hordeum jubatum, Potentilla anserina, Pedicularis canadensis.