United States, Minnesota, Morrison, Morrison County...Sullivan Lake. Located 15 miles northeast of the town Pierz. Plants occur along the north bay of the lake. T 42N R 29W SW1/4 of NE1/4 of Sec 1. 042N 29W 1
46.149496 -93.946975 +-800m. WGS84
Associated with Heteranthera dubia, Potamogeton praelongus, Megalodonta beckii, Potamogeton crispus.