United States, Wisconsin, Sawyer, Bays in the S end of Chetac Lake and near the Benson Creek inlet
T38N R09W sec27
Muck bottom in 0-1.5 meters of water. Common assoc.: (Ceratophyllum demersum) coontail, (Potamogeton pusillus) small pondweed, (Spirodela polyrhiza) large duckweed, (Lemna minor) small duckweed, (Myriophyllum sibiricum) northern water milfoil, (Nuphar variegata) spatterdock.