Habitat:
Large sedge-Typha marsh with Larix laricina but probably no Ericaceae with Eupatorium perfoliatum, E. maculatum, Chelone glabra, Alnus incana ssp. rugosa, and adjacent lower edge of forest of Acer saccharum, A. rubrum, Fraxinus americana, F. nigra.
Occurrence Remarks:
Tree 18 cm in diameter. Fruit yellow-green.