United States, Wisconsin, Barron, Horseshoe Lake, Polk/Barron Cos.
45 -92 48015
45 N, 092 W; T34N R14W sec07
Muck bottom in water up to 1.5m. In sheltered locations of several of the eastern bays. Common assoc.: (Najas gracillima) northern naiad, (Schoenoplectus subterminalis) water bulrush, (Nyphaea odorata) white water lily, (Pontederia cordata) pickerelweed, (Utricularia vulgaris) common bladderwort, (Utricularia intermedia) flat-leaf bladderwort, (Utricularia gibba) crepping bladderwort.