United States, Wisconsin, Burnett, Devils Lake
45.92012° N, 92.33555° W; T40N R16W sec27
Floating among lily pads over muck bottoms in 0.5-1.5 meters. Common assoc.: (Brasenia schreberi) watershield, (Nymphaea odorata) white water lily, (Ceratophyllum demersum) coontail, (Nuphar variegata) spatterdock,
Rare; restricted to the small finger bay in the north/ northeast corner of the lake.