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Forests have always been important to the inhabitants of the area we now call "Pennsylvania" (Latin for "Penn's Woods"). Pennsylvania's location spanning 40 degrees - 42 degrees north latitude and its varied terrain support 108 species of native trees and many other introduced from Europe and Asia. Trees provide a renewable source of lumber, paper, nuts and chemicals. But they are also essential as living filters, removing pollution from the air we breath and the water we drink. Trees provide homes and food for wildlife, and beautify our homes with comforting shade in summer and shelter from winter winds. With wise management, forests can produce these benefits for future generations as they have in the past. This selection of 57 native, and 5 introduced trees is organized according to leaf shape and arrangement. Each tree is identified by popular name familiar to Pennsylvanians and its complete scientific name. To use this site, first study the drawings on the Parts Page, then look at the Glossary until you understand Needle-like, simple and compound leaf shapes and alternate and opposite leaf arrangements. Then compare the tree you wish to identify with the trees in the appropriate section listed below. Leaves: Common Trees of Pennsylvania
- Book - Adobe PDF (3,031 kb)
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