Trees of the eastern and central United States and Canada

Eitemau Tebyg

• Forest trees of the United States and Canada: and how to identify them
  gan: Little, Elbert Luther
  Cyhoeddwyd: (1979)
• Guide to southern trees
  gan: Harrar, Ellwood Scott, et al.
  Cyhoeddwyd: (1962)
• Forest trees of the Pacific slape
  gan: Sudworth, George B
  Cyhoeddwyd: (1967)
• Rocky mountain trees: a handbook of the native species with plates and distributions maps
  gan: Preston, Richard J
  Cyhoeddwyd: (1968)
• Western forest trees: a guide to the identification of trees and woods for students, teachers, farmers and woodsmen
  gan: Berry, James Berthold
  Cyhoeddwyd: (1966)