Fruit key and twig key to trees and shrubs

Lignende værker

• Trees of the eastern and central United States and Canada
  af: Harlow, William M
  Udgivet: (1957)
• Identify trees and shrubs by their leaves: a guide to trees and shrubs native to the northeast
  af: Knobel, Edward
  Udgivet: (1972)
• Guide to southern trees
  af: Harrar, Ellwood Scott, et al.
  Udgivet: (1962)
• Forest trees of the Pacific slape
  af: Sudworth, George B
  Udgivet: (1967)
• Forest trees of the United States and Canada: and how to identify them
  af: Little, Elbert Luther
  Udgivet: (1979)