Learn how to recognize trees you see every day by their bark; branching patterns; fruits, flowers, or nuts; and overall appearance. Created for in-the-field or at-home use, this guide is an easy-to-use resource that covers every common tree in western North America--from the eastern base of the Rocky Mountains to the Pacific coast.- Hundreds of color images illustrate common trees- Written in clear, straightforward language for both beginning and advanced botanists- Tips for identification throughout a tree's lifespan and in every season of the year