LeafSnap – an electronic field guide app for mobile phone users!
Use LeafSnap to identify trees by bark, leaf, fruit, bud, etc..
Even scan your leaf and let it do the work for you with your phone!
Leafsnap is the first in a series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and the Smithsonian Institution. This free mobile app uses visual recognition software to help identify tree species from photographs of their leaves.
Leafsnap contains beautiful high-resolution images of leaves, flowers, fruit, petiole, seeds, and bark. Leafsnap currently includes the trees of the Northeast and will soon grow to include the trees of the entire continental United States.