Locality:
United States, Wisconsin, Polk, North Pipe Lake
45 -92
Verbatim Coordinates:
T35N R15W sec10
Habitat:
Rocky to sandy bottoms in 0-1.5 meters of water. Common assoc.: (Myriophyllum tenellum) dwarf water milfoil, (Ranunculus flammula) creeping spearwort, (Eleocharis acicularis) needle spikerush, (Utricularia resupinata) small purple bladderwort.
Occurrence Remarks:
Relatively common in north lake to locally abundant in main lake where it forms thick mats in shallow water. Emergent form located along shore interspersed among other emergents.