United States, Minnesota, Meeker, 5.5 miles southwest of Litchfield.
45.09 -94.57 +-5m. NAD83
T119N R31W sec28
349 meters (1145ft)
Growing near the eastern shoreline of Youngstrom Lake (ID 47013800), a 150 acre shallow, eutrophic basin situated in the Minnesota River Prairie Ecological Subsection. Individuals local, forming a small stand in 30 centimeters of water.
Silt substrate.
Associates include Ceratophyllum demersum, Elodea canadensis, Myriophyllum sibiricum.