Over 6,160 images for 1,085 trees are now linked from the tree's detailed record. Images will be updated as they become available. See the list of arboretums, botanical gardens and cities that have contributed. Tree illustrations by Robert O'Brien are available for some trees.

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No warranties or guarantees as to the accuracy of the data and information derived from this web site are expressed or implied. The California Polytechnic State University and the Cal Poly Foundation shall not be responsible for any loss of profit, indirect, incidental, special, or consequential damages arising out of the use of the data and information derived from this web site.