United States, Minnesota, Pine, Pine Co. Located 23 mi NE of the town of Hickley [sic]; SW shore of Greigs Lake; T41N R17W SE1/4 of NE1/4 of Sec 10;;041N;17W;10
46.048527 -92.477727 +-800m. WGS84
Plants occur along the shallow, sandy SW shore; assoc. with Najas gracillima, N. flexilis, Nymphaea tuberosa, Brasenia schreberi, Utricularia purpurea.