The Arbor Day Foundation has a book that helps people identify trees with a simple, step-by-step process. The book, "What Tree Is That?," is available for a $5 donation to the nonprofit tree-planting organization.

"What Tree Is That?" is a fun, easy-to-use tree identification guide that features hand-drawn botanical illustrations highlighting the distinct characteristics of many tree species.


The Arbor Day Foundation offers this book to help people identify trees in Colorado and throughout the Western region of the United States. "What Tree Is That?" uses a unique step-by-step approach for identifying the species of each tree, explaining what to look for in the shape of the leaves, differences in the leaf stems and twig structures, and specific characteristics of fruits, flowers, buds and bark.


"What Tree is That?" is also available as an online interactive version at

To obtain a tree identification guide in full color, send your name, address and $5, for each guide to What Tree Is That?, Arbor Day Foundation, 100 Arbor Ave., Nebraska City, NE 68410. You can also order the book online at