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Top 20 Directory:
Top : Science : Biology : Botany : Dendrology : Tree_Identification
Sites:
  		• About.com - A Tree Leaf Key: A quick leaf guide for identification of over 50 common North American trees.
  		• Bartosz Pacula's Pictures of Trees: Large photo gallery of cultivated and wild trees in Europe.
  		• Basics of Tree ID: A basic guide to identifying trees. Describes leaves, fruits, barks, with many images.
  		• Dendrology at Virginia Tech: Includes ID keys and fact sheets on over 450 species of wild and cultivated trees in the eastern USA.
  		• Fact Sheets for 680 Trees: Descriptions, illustrations, US range maps, and cultivation of cultivated species from around the world.
  		• Foliage Identification Test: An interactive guide to identifying trees and shrubs of Ontario. Image intensive.
  		• Introduction to Tree Identification: A resource for beginners and others. Includes a collection of descriptive graphics showing leaves, and buds, with notes.
  		• Palm Tree Photo Gallery: Over a thousand photographs of palms from around the world.
  		• Plant Kaleidoscope: Large image gallery of cultivated woody plants in Europe.
  		• SelecTree for California: A tree database for California. Includes non native trees.
  		• Taxonomy of Woody Plants: Links on woody plant taxonomy including original identification keys to major genera.
  		• Twig Identification Test: Interactive identification of leafless twigs and axillary buds. For the trees and shrubs of Ontario.
  		• What Tree is it?: Tree identification. Especially useful way to work from the shapes of leaves.
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