United States, Minnesota, Winona, John Latsch State Park. At the top of a bluff reached by walking the Riverview Trail above a west-facing bedrock bluff prairie in
44.17 -91.84 +-50m.
T108N R08W sec07
In limestone rock crevices and on soil.
Associates include Parthenocissus quinquefolia, Rhus glabra, and Prunus virginiana.