Leafsnap (iPhone). A collaborative creation by Columbia University, the University of Maryland and the Smithsonian Institute. Leafsnap uses visual recognition to identify tree’s leaf photographs.
VTree (Android). Developed by the Department of Forest Resources and Environmental Conservation at Virginia Polytechnic Institute and State University. VTree can identify nearly 1,000 trees and shrubs based on location and user response to questions.
November 15, NewTerrain.