Leafsnap, released in recent days, the app lets you identify trees by taking a picture of their leaves. Contains beautiful high-resolution images of leaves, flowers, fruit, petiole, seeds, and bark.
From Columbia University, the University of Maryland, and the Smithsonian Institution as Developer, the app is like something you would see on TV, This free iPhone app uses visual recognition software to help identify tree species from photographs of their leaves. Via iTunes
