United States, Wisconsin, Barron, Horseshoe Lake. Polk/Barron Counties [Barron Co. from Lat./Long.]
T34N R14W sec07
Muck bottom in 0-1.5m of water. Common assoc.: (Nymphaea odorata) white water lily, (Pontederia cordata) pickerelweed, (Utricularia vulgaris) common bladderwort, (Najas gracillima) northern naiad, (Myriophyllum farwellii)) Farwell's water milfoil.
Restricted to the east bay; especially near the channel entrance to the bay.