Locality:
United States, Wisconsin, Portage, 0.27 km from jct. Altenburg and Lake Rd.
44.67775323 -89.69912467
Verbatim Coordinates:
T25N R07E sec05
Habitat:
Growing in 0.5 m of water on a muck substrate. Water stagnant. Open marsh area with interspersed ponds. Assoc.: Ceratophyllum demersum, Elodea.