United States, Minnesota, Aitkin, Aitkin Co.; Located 5 miles southeast of the town of Aitkin. Plants occur along a south bay of Ripple Lake; T 46N R 26W SW1/4 of NE1/4 of Sec 19. 046N 26W 19
46.455109 -93.672484 +-328m.
along a south bay; Associated with Wolffia columbiana, W. punctata, Zizania palustris, Potamogeton natans, Scirpus acutus.