United States, Wisconsin, Burnett, Yellow Lake, Little Yellow Lake
45.91153° N, 92.38891° W; T40N R16W sec31
Muck and muck over gravel bottoms at the shoreline. Common assoc.: (Sagittaria latifolia) common arrowhead, (Typha latifolia) broad-leaved cattail, (Sagittaria rigida) sessile-fruited arrowhead, (Schoenoplectus acutus) hardstem bulrush.
Found in two locations; the southeastern shore of lake, and the north western shore of little lake.