Betula alleghaniensis
Hemlock-northern hardwood forests are found at higher elevations. They include yellow birch ("Betula alleghaniensis"), mountain maple ("Acer spicatum"), sugar maple ("Acer saccharum"), beech ("Fagus grandifolia"), and eastern hemlock ("Tsuga canadensis"). Mountain laurel ("Kalmia latifolia") and rhododendron ("Rhododendron" spp.) are found in the understory.