United States, Minnesota, Cass, Cass Co. Located on the SE shore of Cass Lake; T145N R30W NW1/4 of NW1/4 of Sec 9;Chippewa National Forest / Leech Lake Indian Reservation;145N;30W;9
47.395164 -94.497837 +-294m.
Plants growing along a sandy beach adjacent to a mixed woods of Acer negundo and Populus tremuloides. Assoc. with Mirabilis nyctaginea, Salix exigua, Equisetum arvense.