Working together to strengthen and support noxious weed management efforts in Montana.

Perennial Pepperweed

MSU Report for the Montana Noxious Weed Trust Fund Advisory Council

Wednesday, June 19th, 2013


This report for the Montana Noxious Weed Management Advisory Council was assembled in compliance with the Montana Noxious Weed Trust Fund Act and Administrative Rules which require an annual report from the Montana Agricultural Experiment Station and Montana State University Extension Service on current projects and future plans. This report is a compilation of major weed science research and education activities conducted by MSU over the past three years and includes highlights of funded Montana Noxious Weed Trust Fund grants as well as comprehensive reporting of all weed science research products and education funding and activities.

Montana Noxious Weed Trust Fund Projects 2010–2012

  • Biological Control of Common Tansy and Oxeye Daisy, Jeff Littlefield
  • Biological Control of Invasive Hawkweed and Tansy Ragwort, Jeff Littlefield
  • Biological Control of Russian Knapweed, Jeff Littlefield
  • Biological Control of Whitetop and Perennial Pepperweed,Jeff Littlefield
  • Can Biological Control and Targeted Sheep Grazing be Integrated to Suppress Spotted Knapweed?, Jeff Mosley
  • Cheatgrass Ecology and Integrated Management, Jane Mangold
  • Continental Divide Invasive Weed Barrier Zone, Kim Goodwin
  • Establishing and Monitoring Insectaries for Yellow Toadflax Biocontrol, David Weaver
  • Herbicide Resistance Extension Information for Montana Producers, William Dyer
  • Identifying and Testing Candidate Agents for Russian Olive Biocontrol, David Weaver
  • Implementing EDRR in Montana Using the INVADERS Database, Jane Mangold
  • Integration of Pathogens, Sheep, and Herbicides to Manage Cheatgrass, Fabian Menalled
  • Missouri River Watershed Coalition Coordination, Elizabeth Galli-Noble
  • Rangeland Revegetation Revisited, Jane Mangold        Saltcedar Effects on Mycorrhizal Fungal Communities and Screening of Native Species for Restoration, Erik Lehnhoff
  • Tall Buttercup Ecology and Integrated Management, Jane Mangold
  • Weed Free Borders Protection Program, Kim Goodwin
  • Weed Management Certification Program, Jane Mangold
  • Weed Seedling Identification Guide, Jane Mangold

Download a copy of the complete report 2013 MSU Annual Report to the MNWTF

Perennial Pepperweed – MSU May Monthly Weed Post

Friday, May 4th, 2012


Perennial pepperweed has been around for a while in relatively small populations in Montana.  In other parts of the West where this plant has become very problematic, especially in moist habitats.  Let’s keep this potentially invasive plant in check in Montana by properly identifying it and managing it while infestations are mostly small!

Download and this new publication from Montana State University.

Visit the MWCA Weed ID page for details about perennial pepperweed. Contact your local weed coordinator if you think you find it in your area.

Perennial Pepperweed – Get a copy of the the MontGuide

Tuesday, April 27th, 2010


Perennial pepperweed is quickly spreading across the West and infesting marsh areas and the land along streams, rivers and sub-irrigated pasture. However, perennial pepperweed is not presently widespread in Montana, so knowledge and awareness are even more crucial in order to prevent this aggressive plant from invading Montana rangelands.

Click to download load this publication from Montana State University Extension publications.