United States, Minnesota, Winona, One mile east of Minnesota City.
44.100571 -91.728075 +-310m. WGS84
T107N R08W sec01
Mississippi River bottomlands, on island adjacent to Crooked Slough. In floodplain forest dominated by Acer saccharinum, with Fraxinus pensylvanica, Ulmus americana common. Rare.
Associated with Toxicodendron radicans, Laportea canadensis.