Naturalist and botanist Donald Culross Peattite Known as the state tree of Pennsylvania, the backbone of the nineteenth century hide-tanning industry, and a common source of bark mulch and pulp, the ...

Pennsylvania's state tree is the eastern hemlock. Its scientific name is "Tsuga canadensis." The eastern hemlock was named the state tree in 1931. These trees are slow-growing and long-lived ...

For this reason, it fundamentally alters the succession and ecology of a forest. The eastern hemlock (Tsuga canadensis), a member of the Pinaceae family, is a conifer that commonly grows atop nurse ...