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Logo for Leafsnap
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, fruit, petiole, seeds, and bark. Leafsnap currently includes the trees of the Northeast and will soon grow to include the trees of... More
Material Type: Reference Material
Technical Format: HTML/Text
Date Added to MERLOT: December 13, 2011
Date Modified in MERLOT: April 17, 2014
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Submitter: David Wicks
Keywords: mobile apps, Tree Identification, learning, App, teaching, iOS



Primary Audience: Grade School, Middle School, High School, College General Ed, College Lower Division, College Upper Division, Graduate School, Professional
Mobile Compatibility: iPad, iPhone
Technical Requirements: Access to an iPhone or iPad with a camera.
Language: English
Material Version: 1.05
Cost Involved: no
Source Code Available: unsure
Accessiblity Information Available: unsure
Creative Commons: no


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Discussion for Leafsnap

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Avatar for Sally Robertson
1 year ago

Sally Robertson (Librarian)

A good tool for leaf identification, but take the picture with a white background.

Technical Remarks:

Device must have a camera.

Time spent reviewing site: 45 min

Avatar for Rebecca Wall
1 year ago

Rebecca Wall (Faculty)

I don't teach biology, but I do keep this app on my iPhone and enjoy using it when I'm out walking. It's so comprehensive (i.e., has so many possibilities to offer) that it can be a little difficult to use, but it has helped me identify a number of trees about which I had been wondering.

Avatar for Barbra Bied Sperling
2 years ago

Barbra Bied Sperling (Staff)

I am a 5th teacher in Bangkok, Thailand & would like to use my class to enlarge your leaf/plant collection.  Is this possible?

The high school biology teacher may also wish to use this as well.  Please let me know if we may participate by adding to your leafsnap.

Time spent reviewing site: Merlot site - 20 minutes