United States, Wisconsin, Iowa, Woods 1 mi. W on Sweeny Rd. from Co. K. South side of road.
T07N R05E sec10 S2NE4;
in shady white oak, red oak, red maple woods. Sandy loam. Near woodland edge. Growing with Acer rubrum, Quercus alba, Quercus rubra, Rubus spp. St. Peter Sandstone bedrock.. BER2004. One individual to 3 meters.