River Birch is native to the eastern USA It is a favored ornamental tree for landscape use, but is too contorted & knotty to be of use as a timber tree. It is easily recognized by its shaggy brownish-gray bark. Leaves are alternative, simple, deciduous, bright green above, & pale and hairy below. Flowers are in catkins, & fruits are small, winged nutlets that mature in late spring. It’s a medium-sized tree, usually 40 feet in height, but can grow up to 90 feet.