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Oh Deptartment of Natural Resources: Ohio's Trees
A listing of all Ohio's trees complete with a description and picture. List is alphabetical from Alder to Willow. Be sure to click on "Big Trees," for statistics and pictures of the biggest trees in Ohio.
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What Tree Is It?
You've climbed this tree, sat in its branches and collected its leaves. Now you are old enough to know that it has a name. How can you tell what kind it is? Here are some ways to check: by leaf, by fruit, or just by the way it looks.
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Dcnr: Common Trees of Pennsylvania [Pdf]
A list of common trees in Pennsylvania, as well as specific information on each tree.
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Trees for Life
A Scottish conservation charity dedicated to the regeneration and restoration of the Caledonian Forest in the Highlands of Scotland.
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Ohio Public Library: What Tree Is It?
An online resource for tree identification by common name, scientific name, leaf, or fruit.