United States, Minnesota, Winona, in the Whitewater Wildlife Management Area. One mile north of County Road 30 and 1.7 miles east of the Whitewater River on a west-facing bluff
44.17 -91.97 +-50m.
T108N R10W sec12
In a small oak opening in overgrown bedrock bluff prairie.
Associates include Andropogon gerardii, Amorpha canescens, and Parthenocissus quinquefolia.