United States, Minnesota, Todd, Along U.S. Highway 71 on sandy outwash just south of Long Prairie, in the road ditch on the marshy western shore of Charlotte Lake.
45.9531814185 -94.8684684995
5090543N 355199E; T129N R33W sec29
396 meters
1300 feet
Frequent. Wet gravelly sand, in the wettest zone at the bottom of the ditch. Full sun.
Associates include Scirpus microcarpus, S. pallidus, Schoenoplectus tabernaemontani, Carex utriculata, C. stricta, C. lasiocarpa, C. aquatilis, Eleocharis erythropoda, Glyceria grandis, Lysimachia thyrsiflora, Lycopus uniflorus, Typha angustifolia.