The Eastern hemlock is the Pennsylvania state tree and plays a vital role in the health of cold-water streams with native brook trout populations, but like many trees throughout the state, it is under ...
Whitebark pines are under attack from an invasive fungus. But foresters are using seeds from survivors of the infection to replant decimated landscapes.
Red Maples account for 10% of the trees, Eastern Redcedar 9%, Norway Maple 9%, Northern Red Oak 7%, Arborvitae 7%, Eastern White Pine 5%, White Oak 4%, Black Cherry 3%, and Pin Oak 3%, while other ...