United States, Minnesota, Scott, Minnesota Valley National Wildlife Refuge. Ca. 4.5 mi. NNE of Jordan; 1.1 mi. W of Rte 169. Louisville Swamp ... Mazomani Trail. E1/2 NW1/4 of section E1/2 NW1/4 Sec. 33 T115N R23W (Louisville 33). 115N 23W 33
44.725651 -93.592284 +-800m. WGS84
in wetwoods adjacent to [trail], with Acer saccharinum, A. negundo, Carex grisea, C. retrorsa.