United States, Minnesota, Big Stone, Barry Lake Wildlife Management Area. Big Stone Co.; Ca. 1.2 mi NW of Barry, ca. 0.7 mi E of rte 57, margin of Barry Lake; W1/2 SE1/4 NE1/4 Sec. 8 T124N R47W (Tonqua Twp.). 124N 47W 8
45.567133 -96.579895 +-244m.
On moist to wet margin of lake, with Lycopus asper, Phalaris arundinacea, Sagittaria latifolia