United States, Minnesota, Winona, in the Whitewater Wildlife Management Area. 1.5 miles southeast of the junction of Highways 74 and 30, and 0.9 miles east of the Whitewater River
44.14 -91.98 +-80m.
T108N R10W sec23
In dry barrens oak savanna.
On Plainfield sand.
Associates include Quercus velutina, Lupinus perennis, and Phlox pilosa.