
Pennsylvania, a state of diverse geography and geology, is rich in flora. The second edition of The Plants of Pennsylvania identifies the nearly 3,400 species of trees, wildflowers, ferns, grasses, sedges, aquatic plants, and weeds native to or naturalized in the Commonwealth...

Pennsylvania, a state of diverse geography and geology, is rich in flora. The Plants of Pennsylvania provides a means of positively identifying the more than 3,000 species of flowering plants, ferns, and gymnosperms native or naturalized in the Commonwealth. The manual includes...