Learn what a CWMA is, the steps for creating one, and look at examples of CWMAs around the country by downloading the "Cookbook" and PowerPoint slide show below:

CWMA Cookbook for Eastern US (PDF)

CWMA PowerPoint Slide Show (PowerPoint version, updated December 2010)

CWMA PowerPoint Slide Show (PDF version, faster download)

CWMA Resources:

  • CIPM's CWMA Resource Page, How to Develop a CWMA
  • Information on State Invasive Species Laws, Agencies, and Resources for the U.S. Eastern region.
  • Center for Invasive Plant Management (CIPM)
  • Center for Plant Conservation (CPC) Invasives Prevention
  • Great Lakes Early Detection Network (GLEDN)
  • Invasive Species mapping through the Early Detection and Distribution Mapping System (EDDMaps)


Establishing a CWMA Workshop Series Presentations:

  • Introduction to Cooperative Weed Management Areas - What are they, what can they do for me, and how do I get one started, Kate Howe, Midwest Invasive Plant Network, Purdue University (PDF Version - faster download time)
  • Local Solutions to Landscape Level Problems, Leslie J. Mehrhoff, Invasive Plant Atlas of New England (IPANE) & Invasive Plant Control, Inc (PDF Version - faster download time)
  • New Hampshire Coastal Watershed Invasive Plant Partnership (PDF Version - faster download time)
  •   A Look Back at the First Three Years of the River to River CWMA, Chris Evans, River to River Cooperative Weed Management Area (PDF Version - faster download time)
  • SuAsCo Cooperative Invasive Species Management Area - Managing Invasive Species in the SuAsCo Watershed, Amber CarrSuAsCo CISMA Coordinator (PDF Version - faster download time)


Samples of Documents from CWMAs:


CMWA Resources

  • PowerPoint presentations, with audio, available from The National Cooperative Weed Management Area (CWMA) Conference, April, 2008, Reno, Nevada. Click here to access. The conference focused on CWMA funding and logistics, working with volunteers, EDRR, awareness and outreach, approaches to mapping, and state and national initiatives. In addition to enjoying 27 talks by speakers from across the U.S., attendees from 37 states provided glimpses of cooperative weed management activities in their own states.
  • National CWMA Map - by the National Network of Invasive Plant Centers (NNIPC)
  • Click here for a map (pdf) of Midwest CWMAs

Midwestern CWMAs:




Headwaters Invasive Plant Partnership (HIPP)

Mike Daab

Northeast Illinois Invasive Plant Partnership (NIIPP)

Cathy McGlynn

River to River CWMA

Karla Gage




Indiana Coastal CWMA (ICCWMA)

Susan Mihalo

Lakes Country Cluster

Beth Williams

Northern Indiana Cooperative Invasives Management (NICIM)

James Pothoff

Southern Indiana Cooperative Invasive Management (SICIM)

Teena Ligman

West Central Indiana CWMA

Bob Eddleman




Hawkeye CWMA

Chris Henze




C.A.K.E. Cooperative Invasive Species Management Area

Kristy Mortham

Central UP Cooperative Weed Management Area (CUPCWMA)

Abbie Debiak

Detroit River-Western Lake Erie CWMA and Phragmites Control

Greg Norwood

Eastern UP Cooperative Weed Management Area (EUPCWMA)

Nick Cassel

Headwaters Cluster

Rachel Maranto

Huron Arbor Cluster

Jason Frenzel and Drew Lathin

Keweenaw Invasive Species Management Area (KISMA)

Meral Jackson

Lakeplain Cluster

Martha Gruelle and Suzan Campbell

Michigan Dune Alliance

Shaun Howard

Mid-Michigan Cluster

Brianna Krauss

Northeast Michigan CWMA

Jennifer Muladore

NW Michigan Invasive Species Network

Katie Grzesiak

Oak Openings Region Cooperative Weed Management Area

Lindsey Reinarz

Oakland County CISMA


Grand-Raisin Cluster

Bob Kellum and Monica Day

Saginaw Bay Cooperative Weed Management Area

James Iaquinta

Southwest Corner Cluster

Paul MacNellis

West Michigan Cluster CWMA

Ginny Wanty and Becky Huttenga

Western Peninsula Invasives Coalition (WePIC)

Jen Ricker

Western Lake Erie Cluster

Danielle Conroyd

Wild Rivers Invasive Species Coalition

Emily Anderson


If you are interested in sharing information about your work in a CWMA, please contact us at

CWMA's can also self-report to The National Network of Invasive Plant Centers

Federal Funding Opportunities: