United States, Minnesota, Cottonwood, On the west side of Mountain Lake, about 330 meters from open water (and 3 m higher in elevation). In a calcareous fen on state/municipal property; pH averaging 7.4; specific conductivity 1300-1835.
43.948901 -94.963579
T106N R34W sec30
Associated with Rhynchospora capillacea, Triglochin palustre.