What's that tree? Try Smithsonian's new app to see - USA Today
 USA Today | What's that tree? Try Smithsonian's new app to see USA Today By Cliff Owen, AP The Leafsnap app on display on an iPhone along with tree leaf specimens. Scientists have developed the first mobile app to identify plants by simply photographing a leaf. The free iPhone and iPad app, called Leafsnap, ... Tech Talk: iPhone app helps identify trees |