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By Columbia University, University of Maryland, and Smithsonian Institution

This app is only available on the App Store for iOS devices.


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, fruits, petioles, seeds, and bark to aid identification. These high-resolution images were created by the conservation organization Finding Species.

Leafsnap currently includes trees found in the Northeastern United States and Canada. The inclusion of Canadian trees is through collaboration with the Canadian Wildlife Federation, with support from TD Friends of the Environment Foundation.

What's New in Version 1.08

Leafsnap now works for iPhone 7. You can also now browse species without being connected to a Wi-fi network.

iPhone Screenshots

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Customer Reviews


This app deserves a 5 star rating. I am not sure why other people didn’t love it as much as I do. I used this to identify a tree in my yard. This app shows actual photos of all of the possible foliage that a particular tree species produces. Based on the snap I took the app provided my with several choices, but I was able to determine the exact one because of the additional photos. I will keep this app and use it whenever I wonder about a tree in the future.

Great idea, but problems with the app

I just downloaded the app from the US iTunes Store and tried to create an account but failed. I also can't choose my location because my location (Germany) isn't one of the options. Not sure if that is why I can't create an account but I'm disappointed I can only use this for scrolling through the built-in pictures. Please consider an option for other locations. There are lots of trees here that can be found in the US that I would like help identifying.

Worked great

I took a picture of the leaf of a tree in my yard that I wanted to identify. The app gave me a short list of tree options based on the picture. The second choice was it! Then it gave me details on my tree and link to online database. I'm very happy with the app and will continue to use it!

View in iTunes
  • Free
  • Category: Education
  • Updated:
  • Version: 1.08
  • Size: 220 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

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