United States, Minnesota, Wabasha, Upper Mississippi National Wildlife Refuge. Wabasha Co.; on island in the Mississippi River 3/4 mi downstream from Lock & Dam #4, 1/2 mi W of Alma, Wisconsin; Upper Wabasha Co.; on island in the Mississippi River 3/4 mi downstream from Lock & Dam #4, 1/2 mi W of Alma, Wisconsin; Upper Mississippi River Wildlife & Fish Refuge. T110N R9W SWSENW 20. 110N 09W 20
44.31255 -91.93771 +-10000m. WGS84
In floodplain forest on island; canopy dominated by Acer saccharinum & Populus deltoides. Moist depressions under canopy. Assoc. with Carex grayi, C. muskigumensis, C. typhina, Rhus radicans, etc.