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.

Ralph Waldo Emerson defined a weed as a plant whose virtues have not yet been discovered. To the wild-plant enthusiast who has discovered the virtues of many plants, there are relatively few weeds. After using this book, you will never again consider lamb's-quarters a weed. Instead, you will nurture it with respect and even encourage its growth in your garden. Edible Wild Plants of Pennsylvania and Neighboring States contains botanically accurate, up-to-date information essential for the identification of more than one hundred delectable wild plants. Each plant entry provides characteristics, habitat, distribution, edible parts, food uses, precautions, and preparation, followed by tasty recipes and interesting remarks about the plant's botanical history. The plants are arranged according to height, with the ground-huggers appearing first and the trees last. Each plant is also cross-referenced by common and scientific names. The authors have written this book with the novice forager in mind, including useful tips on foraging from where to search for food to precautions to take. They also provide a list of toxic look-alikes, a nutrient composition chart, and a glossary of terms.

Three hundred million years ago, ferns dominated the earth's surface, forming extensive marshes and forests with heights of over twenty-five meters. Today, ferns and their allies are still abundantly represented in the plant world, with somewhere between 10,000 and 12,000 species identified and recognized. These nonflowering, nonseeding, highly vascular plants make up a major and ancient division in the plant kingdom called Pteridophytes. In the state of Pennsylvania, one can find more than 100 species of these highly specialized plants. While ferns are by far the largest division of the Pteridophyte group in the state, horsetails, clubmosses, spikemosses, and quillworts are the lesser-known members, frequently misidentified as relatives of more modern flowering plants. With more than 190 color photographs and descriptions of 96 different plants, recognizing each Pteridophyte is a relatively easy matter. The photos of the plants show them growing in their natural settings, which helps to establish a clearer picture of the common characteristics of the families and their likely habitats. Maps illustrate the distribution of the various species throughout the counties of Pennsylvania and across the United States. Taxonomic keys are also included for each of the groups to assist in identifying the plants based on their biology. Finally, the book provides the most common local names for the plants, making it useful for both the amateur naturalist and the professional botanist.

Authoritative, encyclopedic, lavishly illustrated guide to the trees of the state and region—from the Morris Arboretum, the official arboretum of the Commonwealth of Pennsylvania.

Natural history narratives for more than 300 species of mammals, birds, reptiles, and amphibians found in Pennsylvania and throughout the northeastern United States-written in an engaging, straightforward style.

Common and uncommon tree species described in engaging detail. Covers trees found in small woodlots, deep forests, backyards, and reverting fields.