United States, Wisconsin, Polk, Horseshoe Lake. Polk/Barron Counties [Polk Co. from Lat. Long.]
45 -92 48044
45 N, 092 W; T34N R15W sec14
Can grow in variable substrate bottoms, but becomes dominant to the point of excluding all other species in its preferred substrate of organic muck. Grows in 0-5 meters of water, but prefers 2.5-3m. Common assoc.: (Eleodea canadensis) common waterweed, (Potamogeton vaseyi) Vasey's pondweed, (Ceratophyllum demersum) coontail, (Nitella sp.) nitella, aquatic moss, (Potamogeton pusillus) small pondweed, (Potamogeton spirillus) spiral-fruited pondweed.