Covers all Pennsylvania's 195 species, both native and naturalized. Each tree is described in a concise tabular way for amt that includes the characteristics of leaves, branches, bark, flowers, and fruits. The authors also provide historical, ecological and economic information on each tree species, including how Pennsylvania's trees were used by Native Americans and early European settlers.
Acknowledgements Introduction Chapter 1. What is a Tree? Growth -Wood -Bark -Growth patterns -Short shoots and long shoots -Juvenility Leaves -Fall leaf color Roots -Root partners Flowers, fruits, and seeds -Conifers Angiosperms Pollination --Seed dispersal Clonal growth Chapter 2. Pennsylvania's Forest Heritage A brief history of Penn's Woods Cutting down the trees -Early lumbering -The "Great Clearcut" The forest today Too many deer Impact of pests and diseases Native versus introduced species Rare species Forest succession Major forest types The value of trees Chapter 3. Descriptions, Illustrations, and Distribution Maps Alder - Apple - Aralia - Arbor-vitae - Ash - Atlantic white-cedar - Basswood - Beebee tree - Beech - Birch - Blackgum - Blackhaw - Bladdernut - Buckeye - Catalpa - Cherry - Chestnut - Chinese toon-tree - Corktree - Crabapple - Dogwood - Douglas-fir - Elm - Empress-tree - Fir - Fringetree - Ginkgo - Golden rain-tree - Hackberry - Hawthorn - Hemlock - Hickory - Holly - Honey-locust - Hoptree - Hop-hornbeam - Hornbeam - Juniper - Katsura-tree - Kentucky coffee-tree - Larch - Locust - Magnolia - Maple - Mimosa - Mountain-ash - Mulberry - Oak - Osage-orange - Pagoda-tree - Paper-mulberry - Pawpaw - Pear - Persimmon - Photinia - Pine - Plum - Poplar - Prickly-ash - Redbud - Sapphire-berry - Sassafras - Shadbush - Silverbell - Snowbell - Sourwood - Spruce - Sumac - Sweetgum - Sycamore - Tree-of-heaven - Tuliptree - Walnut - Willow - Witch-hazell Chapter 4. How to identify trees Identification Keys Glossary Appendix Tree Lists Native Trees that are Important Food Sources for Moths and Butterflies Small to Moderate-size Native Trees with Conspicuous Flowers Native Trees with Edible Fruits Endangered, Threatened, and Rare Trees of Pennsylvania Native Early Successional Trees (sun-loving) Native Trees of Riparian Forests Native Wetland Trees Trees that are at or Near the Southern Limit of their Natural Range in Pennsylvania Trees that are at or Near the Northern Limit of their Natural Range in Pennsylvania Trees that are at or Near the Eastern Limit of their Natural Range in Pennsylvania Pennsylvania Trees Listed by Family Index
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.
Authoritative and accessible.-Journal of the Torrey Botanical Society