Download or read book The Plants of Pennsylvania written by Ann Fowler Rhoads and published by University of Pennsylvania Press. This book was released on 2007-09-05 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of The Plants of Pennsylvania is the authoritative guide to identifying the nearly 3,400 species of flowering plants, ferns, and gymnosperms native or naturalized in the Commonwealth. It features a complete reorganization into a genetic scheme that reflects recent advances in our understanding of plant relationships.