United States, Minnesota, Pine, Pine Co. ... Located 1/4 mi NE of Tamarack Lake; Little Tamarack Lake; T42N R17W SE1/4 of NW1/4 of Sec 33;Saint Croix State Forest;042N;17W;33
46.077272 -92.498423 +-800m. WGS84
Plants occur along the shallow, sandy shoreline; associated with Nuphar luteum, Nymphaea tuberosa, Utricularia gibba, Najas gracillima, N. flexilis.