The purpose of this project is to develop a user-friendly field guide to grasses and grass-like plants in Idaho, specifically geared to those with limited background in botany. The guide will feature 60 Idaho grasses and grass-like plants, intended for K-16 educators and students, ranchers, land owners, recreationists, and nature enthusiasts, with accompanying K-12 lesson plans. In the form of both a printed book and an offline app for iPhones and Androids, the guide will include colorful photographed images and line drawings showing detailed characteristics and vegetative features of each grass, an easy-to-use dichotomous key, and information on each plant’s history, forage value, and fire resistance.

This dual resource will meet the needs of land managers making economic decisions regarding livestock production and field treatments; university students in wildlife and range sciences conducting class exercises and field research; K-12 educators during field botany excursions, teaching the use of dichotomous keys, and ecosystem studies; and recreationists engaged in nature study. Both book and app will be distributed via the University of Idaho Rangeland Center and the Idaho Rangeland Resource Commission.

What’s New

Version 1.1.1

- Added the ability to cancel a sync when out of cell service range
- Fixed an issue with grass photos not displaying on the "all grasses" list when cell service is lost

Ratings and Reviews

4.5 out of 5
4 Ratings

4 Ratings

phytographer ,

Good start

This is an app I was really looking for, being new to Idaho and surrounded by beautiful grasses. I am, however, disappointed. It is not user friendly and moving around is quite tedious. It is just not there yet.

The grasses are listed in alphabetical order by common name. This means even related species are far apart in the app , e.g. the various wheat grasses. Some grouping by inflorescence type or habitat or flowering time or genus/family would definitely help. I know that filtering does that, but comparing species even then is hard... you can’t just flip back and forth between them. And having photos displayed in slideshow format would be much more useful than having to scroll all the way to the end to see them.


University of Idaho
86.3 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

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

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