United States, Minnesota, Polk, 6.75 mi. NW of Fertile. Chicog Wildlife Management Area. Glacial Lake Agassiz. NE corner SW1/4 NE1/4 sec 33 T148N R45W;Chicog Wildlife Management Area;148N;45W;33
47.593704 -96.397789 +-800m. WGS84
In a small calcareous fen (ca. 10 ac.), at the base of a low beach ridge of a glacial lake. In intertussock spaces in nearly level, very wet zone. With Carex sterilis, Juncus spp., Triglochin.