Leafsnap - An electronic field guide with automatic identification
Leafsnap is a project I've been working on for about 2 years and we finally launched yesterday! It's a free app for the iPhone (with an iPad version coming next week and an Android version later in the summer) that contains very high-quality images and descriptions of the tree species of the Northeast US. It also has an automatic-recognition feature that uses computer vision to help users identify trees by taking a photo of a leaf. This project is a joint collaboration between the computer science departments at Columbia University and the University of Maryland, and botanists at the…
Leafsnap - An electronic field guide with automatic identification launched on May 3, 2011 with 11 votes, #59 of 217 launches that month and more than 50% of that year's launches.
In plain words
Leafsnap is a free iPhone app featuring high-quality images and descriptions of Northeast US tree species. It uses computer vision technology to automatically identify trees from photos of leaves, developed through collaboration between Columbia University, the University of Maryland, and the Smithsonian Institution. iPad and Android versions are in development. The app is designed for anyone interested in tree identification and plant information.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Leafsnap is a project I've been working on for about 2 years and we finally launched yesterday! It's a free app for the iPhone (with an iPad version coming next week and an Android version later in the summer) that contains very high-quality images and descriptions of the tree species of the Northeast US. It also has…
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