United States, Minnesota, Benton, Michaelson Farm State Wildlife Management Area - Bend in the River Regional Park. On a locally rather broad floodplain along the east (northeast) side of the Mississippi River one mile south of Rice.
45.7308186378 -94.2191350873
5064863N 405143E; T37N R31W sec5
309 meters
1015 feet
Occasional along the margins of an alluvial backwater slough. Partial shade of Acer saccharinum that dominates the canopy of the surrounding floodplain forest. Wet, mucky silt. Small, loose patch. Light bluish-purple flowers.