United States, Minnesota, Fillmore, Fillmore Co. Along Root River 3 mi N of Lanesboro; T104N R10W NE1/4 of SW1/4 of Sec 35;Dorer Memorial Hardwood State Forest;104N;10W;35
43.767399 -91.999585 +-800m. WGS84
In shallow slack water; assoc. with Lycopus americanus, Veronica catentata, Bidens, Phalaris