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What Tree is it? - http://www.oplin.org/tree/index.html
Tree identification. Especially useful way to work from the shapes of leaves. |
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Dendrology at Virginia Tech - http://www.cnr.vt.edu/dendro/dendrology/main.htm
Includes ID keys and fact sheets on over 450 species of wild and cultivated trees in the eastern USA. |
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About.com - A Tree Leaf Key - http://forestry.about.com/library/treekey/bltree_key_id_start.htm
A quick leaf guide for identification of over 50 common North American trees. |
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Fact Sheets for 680 Trees - http://hort.ifas.ufl.edu/trees/
Descriptions, illustrations, US range maps, and cultivation of cultivated species from around the world. |
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Basics of Tree ID - http://www.fw.vt.edu/dendro/forsite/Idtree.htm
A basic guide to identifying trees. Describes leaves, fruits, barks, with many images. |