This essential guide, written 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.

Features include:

- 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

Contributor Bio
May Theilgaard Watts (1893-1975) was a teacher, writer, illustrator, and naturalist. Born in Illinois, she was a pioneer in the field of ecology.

Paperback | 6" x 4"

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