The Sibley guide to trees
David Sibley (Author, Illustrator)
"This book covers the identification of 668 native and commonly cultivated trees found in the temperate areas of North America north of Mexico. This includes most of the continental United States and Canada, an area corresponding to the United States Department of Agriculture (USDA) plant hardiness zones 1-8" -- Introduction, p. ix
Print Book, English, 2009
Alfred A. Knopf, New York, 2009