United States, Minnesota, Winona, Pool 6 of the Mississippi River, about 14.5 km (9 miles) E-SE of the approximate center of Winona. NE of NE of section; T106N R05W sec07
44.00455 -91.4618167
44.0045500, -91.4618167
A low beach at the head of a small sandbar island. Habitat likely submerged by high water until early August.
Other species collected here include: Rorippa sessiliflora, Lipocarpha micrantha, Eragrostis hypnoides, Cyperus squarrosus.