United States, Minnesota, Clay, County park just N of Ulen; W of Rte. 32. Along the South Branch Wild Rice River. SE1/4 NE1/4 Sec. 28, T142N, R44W.;;142N;44W;28
47.087825 -96.260816 +-217m.
In wet soil along a river. With Carex cristatella, Scirpus pallidus, Polygonum amphibium.