45 excellent illustrations of trees, including close-up details of distinctive features such as fruit, bark, leaf, and more. Learn to identify White Ash, Quakin

Full-page black-and-white drawings of forty-five weeds common in the United States, with common and scientific names. Color illustrations for each weed on the c

What kind of tree is that? Whether you're hiking in the woods or simply sitting in your backyard, from Maine to New York you'll never be without an answer to th

How often do we overlook bark, a frequently beautiful and always important part of the plant, focusing instead on leaves, flowers, and the shape of the trunk an

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