On the higher elevations the trees are mostly white pine, yellow pine and hemlock, but in the valleys and lower levels are oaks, hickories, maples, elms, birches, locusts, willows, spruces, gums, buckeyes, the chestnut, black walnut, butternut, cedar, ash, linden, poplar, buttonwood, hornbeam, holly, catalpa, magnolia, tulip-tree, Kentucky coffee-tree, sassafras, wild cherry, pawpaw, crab-apple and other species.