United States, Wisconsin, Burnett, Ham Lake
T40N 40N R15W 15W sec07 18
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 2.5-4. Common assoc.: (Potamogeton amplifolius) large-leaf pondweed, (Potamogeton gramineus) variable pondweed, (Chara sp.) muskgrass.