United States, Minnesota, Clay, Audubon Prairie: 16.5 mi ese of Moorhead. NE1/4 NE1/4 Sec.32 T139N R45W.;Audubon Prairie, The Nature Conservancy;139N;45W;32
46.812051 -96.515485 +-951m.
Near road on Mima mound with Phleum pratense, Helianthus sp., Asclepias veritcillata, Lilium philadelphicum.