Locality:
United States, Wisconsin, Polk, North Pipe Lake
45 -92 47796
Verbatim Coordinates:
45 N, 092 W; T35N R15W sec10
Habitat:
Submerged forms were common in sand amd rock bottom areas while emergent form was more common in muck bottom areas. Found in 0-2 meters of water. Common assoc.: (Najas flexilis) bushy pondweed, (Potamogeton gramineus) variable pondweed, (Eriocaulon aquaticum) pipewort.