United States, Minnesota, Cass, Lake ID: 11041200, Birch Lake, Northwest Bay, near DNR site 8. [collector provided invalid lat/long];Foothills State Forest;140N;31W;14
46.942993 -94.5647672 +-800m.
4 feet, muck substrate Associated species were Potamogeton zosteriformis, Ceratophyllum demersum, Elodea canadensis, Utricularia vulgaris