United States, Minnesota, Pine, Saint Croix State Park. Pine County...St. Croix State Park; about 70 feet above the floodplain of the St. Croix River...NE1/4 SW1/4 sec.31, T 41N R 17W. 041N 17W 31
45.9897222 -92.5436111
Black ash (Fraxinus nigra) swamp perched about 70 feet above the floodplain; associated species include: Carex crinita, C. bromoides, C. leptalea, Osmunda regalis, Ribes triste.