Gil Nelson

Covers 825 species, including all the native and naturalized trees of the United States and Canada as far west as the Great Plains. Descriptions present details of size, shape, growth habit, bark, leaves, flowers, fruit, flowering and fruiting times, habitat, and range maps for native species, as well as specially commissioned artwork, up-to-date taxonomy and names, information on the most recently naturalized species, keys to leaves and twigs, and...

Covers 630 species, presents 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,...