United States, Minnesota, Clay, Audubon Prairie: 16.5 mi ese of Moorhead; SW1/4 NW1/4 Sec.32 T139N R45W;Audubon Prairie, The Nature Conservancy;139N;45W;32
46.812051 -96.515485 +-951m.
Open, dry wooded area with Cornus stolonifera, Rumex patientia, Sonchus arvense, Populus tremuloides, Cicuta maculata.