Locality:
United States, Wisconsin, Grant Co., Wyalusing State Park, Walnut Forest State Natural Area. Mississippi River valley, S of confluence with Wisconsin River.
Habitat:
Shady slope between currently maintained "Old Immigrant Trail" (at base of trail down from Sentinal Ridge Trail) and Mississippi River floodplain, just above the floodplain. Pilea pumila, Bohemeria cylindrica, Leersia oryzoides.