United States, Minnesota, Carver, E end of small lake in U. of Minn. Arboretum. S17, T116N, R23W.;;116N;23W;17
44.856239 -93.612332 +-800m. WGS84
bog; fairly open stand, soil wet and mucky; associated with several other hybrids, Betula pumila var. glandulifera, few Larix laricina, Fraxinus nigra, Populus tremuloides, Ulmus americana, Cornus, Ty