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Tree Identification

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• Dendrology at Virginia Tech

  Tree identification fact sheets on over 450 species of trees, as well as lots of other tree information.

• Ohio Public Library - What Tree Is It?

  You see an unknown tree. Or perhaps have found part of a tree, and you want to know from what kind of tree it came. Often, you can identify an unknown tree by just one part, such as a leaf or a fruit.

• The Ohio State University Interactive Plant List

  Factsheet Database and Plant Dictionary for over 600 ornamental plants.

• Tree Guide, Inc.

  TreeGuide Inc. provides software tools, services and data that help clients reduce the cost of managing outdoor assets and facilities, and enrich experiences for visitors to golf courses, arboreta, botanical gardens, farms, nature centers and other outdoor facilities.

• Vascular Plant Image Gallery

  A large collection of horticultural photos.

• What Tree is That?

  Our online tree identification guides.

• Wood Rings and The Age of Trees

  Guessing a tree's birthday by counting its rings is more than just fun, it can also teach you a lot. Every ring also tells a story about the tree, like how easy or hard its life was.