United States, Minnesota, Benton, Benton Co.; On floodplain of Elk River, contained within a new golf course; T36N R30W: 1/4 of SW1/4 of sE1/4 of Sect. 35;;036N;30W;35
45.566897 -94.035655 +-1217m.
golf course. In association with Acer saccharinum, Fraxinus pensylvanica, Galium aparine, Hydrophyllum virginianum, and Phalaris arundinacea.