United States, Wisconsin, Burnett, Devils Lake
T40N R16W sec27
Muck bottom in 0-1.5 meters of water where it often forms dense canopies. Common assoc.: (Brasenia schreberi) watershield, (Nymphaea odorata) white water lily, (Ceratophyllum demersum) coontail, (Utricularia intermedia) flat-leaf bladderwort, (Utricularia vulgaris) common bladderwort, (Lemna minor) small duckweed, (Sparganium emersum) narrow-leaved bur-reed.
Rare; restricted to the small finger bay in the north/northeast corner of the lake.