United States, Wisconsin, Waupaca, In Lake Cincoe marsh; growing on the W side of lake
44.33729641 -88.80840001 37777
T22N R14E sec33
Plant floating submergently in a marsh about 5 ft. from the nearest emergent vegetation, numerous floating leaved Nymphaea's surrounding the specimen. The water depth was about 3 ft. with an extensive muck bottom.
In a numerous colony approximately 12 in. in diameter and 6 in. deep.