United States, Minnesota, Douglas, 6.5 miles southeast of Alexandria.
45.8413 -95.25793 +-4m. NAD83
T127N R36W sec6
Growing near the southwest shoreline of Smith Lake (ID 21001600), a 665 acre eutrophic basin situated in the Minnesota River Prairie Subsection. Locally abundant, forming a large stand in ~ 1.4 meters of water. Individuals found growing from seed in shallow water nearby.