United States, Wisconsin, Barron, Beaver Dam Lake. Bay/channel off Plum St. near pt. 654.
T35N R13W sec06
Firm muck at the shoreline growing among cattails. Common assoc.: (Typha latifolia) broad-leaved cattail, (Eleocharis erythropoda) red-footed spikerush, (Sagittaria latifolia) common arrowhead.
A few individuals were found in the bay/channel.