iPhone Screenshots


Fifty Trees of the Midwest is the ideal guide to the most common trees in the Midwest. Developed at Purdue, this app helps you identify trees, create field notes, and import photos for handy reference.

Need to identify a tree? Use the photo-based identification key complete with pop-up definitions. Compare your results to feature pages with full-color pictures of the leaf, bud, twig, flower, fruit, bark, and form of each tree. Swipe to browse photos or tap to enlarge them for a closer look. You can even make field notes with your own photos for use in the identification process.

Designed for students and adults, the app offers five easy-to-navigate sections:
• Learn—study the characteristics of broadleaf and evergreen trees, and learn about different families and why some trees grow together
• Identify—compare photos of tree characteristics and answer a series of questions to identify trees in your yard or in the woods
• Field Notes—record information and map the trees as you go
• Glossary—find definitions for common vocabulary at your fingertips
• Tree Search—search by common, scientific, and family names as well as keywords

• Information pages for more than 50 of the most common trees in the Midwest
• 400+ high-quality color photos show leaf, bud, twig, flower, fruit, bark, and form for each tree
• Ability to identify trees using leaf or other characteristics
• Pop-up glossary definitions throughout
• Photo import for identifying trees or creating a field note
• GPS location for photos added through the app
• No Internet connection required
• Robust search capabilities to locate information quickly
• “Did you know?” facts for added interest

What’s New

Version 1.4

Updated interface for iOS 7.

Ratings and Reviews

more channels ,

Poorly executed. Only for adv. arborist

I really wanted to love this app.
Unfortunately it was built by tree geeks for tree geeks. If you are not fluent with tree verbiage, discovery will be painful and you will not have fun.
Pinnately Compound, Rachis, etc.
You arrive at your tree search results after a series of A or B picks/decisions, some are straight forward (milky or clear)
Other questions answered wrongly will send you in a unrecoverable time waste.
Both my wife (she is a huge gardener who is deeply versed on plants) and I could not find an unknown tree that was right in front of us. We both tried time after time with frustrating results.

The app has lots of very basic drawings with 5 pictures at the end of your search.
Poorly executed by folks who are too close to the subject to see how poor it interfaces. Nothing about it is entertaining or fun unless you are an arborist.

LilBitZiggy ,


Was hoping for an app that is more user friendly. This app is great for someone who has a background in forestry but not the novice. Wish I could get my money back.

h.stewart937 ,

Best tree I.D. app for Midwestern folks

This app has so far been a great tool for me. Unlike the other tree I.D. apps, Purdue offers a clean, concise, and most importantly correct identification guide. The only downside is paying 5 bucks for only 50 trees, but the precision of the app seems to make up for it. Definitely a thumbs up!


Purdue University
96.9 MB
Requires iOS 6.1 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2013 Purdue University


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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