Trees of Western North America (Princeton Field Guides #92)

Examines all the native and naturalized trees of the western United States and Canada as far east as the Great Plains, illustrates important visual details with range maps that provide a thumbnail view of distribution for each native species, gives scientific and common names, taxonomy, information on the most recently naturalized species, and also contains a key to leaves, an introduction to tree identification, forest ecology, and plant classification and structure.