United States, Minnesota, Isanti, Site is 2 mi S-SW of Ianti, on E side of Rum River. NE1/4 NW1/4 Sec12, T34N, R24W.;;034N;24W;12
45.454838 -93.278756 +-304m.
Growing on spongy, mucky substrate in a drying shallow lake that is now dominated by Scirpus acutus. With Carex comosa, C. sychnocephala, and Eleocharis obtusa.