Trees of Pennsylvania: A Complete Reference Guide. Questo articolo non è disponibile.Trees of Pennsylvania: A Complete Reference Guide

Extensively illustrated with more than 750 full-color and black-and-white illustrations, range maps, and identification keys, a comprehensive guide to the trees of Pennsylvania provides detailed descriptions of 195 species, both native and naturalized, discussing each species characteristics, flowering and fruiting time, autumn leaf color, record-breaking specimens, and more, along with lists of rare, threatened, and endangered trees and a history of Pennsylvania's forests.

At the Morris Arboretum of the University of Pennsylvania, Ann Rhoads is Senior Scientist of the Pennsylvania Flora Project, Timothy Block is Director of Botany, and Anna Anisko is Botanical Illustrator. They have also collaborated on The Plants of Pennsylvania: An Illustrated Manual, also available from the University of Pennsylvania Press.