Plant Identification Resources
By Noelle Orloff, Associate Extension Specialist and Schutter Lab Diagnostician
Introduction
Field season is starting in earnest for weed managers as spring warms up, and plant identification needs are increasing along with the late spring temperatures. Below is a list of links to online publications and resources that can help meet many plant identification needs in Montana and regionally.
MSU Extension Publications

- Montana’s Noxious Weeds
- Guide to Exotic Thistles in Montana and how to Differentiate from Native Thistles
- Invasive Grasses in Montana
- Grass ID Basics
- Plant ID Basics
Plant ID Apps
- Plant ID Apps for your Smartphone (Monthly Weed Post article)
- Montana Grasses
- Wildflower Search Apps: Apple and Android
- PictureThis
- iNaturalist
MSU Extension YouTube Videos
- Noxious Weed or Native Plant? Playlist
- Weed and Plant ID Playlist
- Grass ID Basics
- Invasive Annual Grasses
People Who Can Help
Further Information
For more information about this month's weed post, contact Associate Extension Specialist Noelle Orloff. Past posts are available in the Monthly Weed Post Directory.
This weed post is also available as a printable PDF (123 KB).