This essential guide by celebrated ecologist May Theilgaard Watts helps readers identify native (and some widely introduced) trees of the United States and Canada, east of the Rocky Mountains. With this handy, easy-to-use guide, you'll be able to identify all sorts of trees in no time.
A dichotomous key, leading the user through a series of simple questions about the shape or appearance of different parts of a tree
Includes 161 species
Illustrated with line drawings
Small (6- by 4-inch) format that fits in a pocket or pack to take along on a hike
About the Author
May Theilgaard Watts (1893-1975) was a teacher, writer, illustrator, and naturalist. Born in Illinois, she was a pioneer in the field of ecology.