United States, Minnesota, Stearns, Strongly rolling forested moraine south of the Sauk River, one mile south-southeast of downtown Cold Spring, along the north side of Hummingbird Lane.
45.45021017 -94.4042109
5033924N 390197E; T123N R30W sec24
357 meters
1170 feet
Occasional in a small (one-acre) marsh. In an emergent zone surrounding a small (1/4-acre) shallow pond. Rooting in a mucky-organic mat that floats a foot or so above the muck substrate. Often basally submerged in shallow water. Full sun. White-petaled flowers.