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 Cookbook for Western US (PDF)

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

CWMA PowerPoint Slide Show (PDF version, faster download)

CWMA Resources:


Establishing a CWMA Workshop Series Presentations:


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 North American Invasive Species Network (NAISN)
  • 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

North Country CISMA (NCCISMA) 

Vicki Sawicki

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




Becker County CWMA

Marsha Watland

Big Stone - Traverse County CWMA

Blayne Johnson

Central Minnesota Cooperative Weed Management Program (Kandiyohi County)

Rick Reimer

Cook County Invasives Team

Laurel Wilson

Greater Blue Earth River Basin Alliance CWMA (GBERBA CWMA)

Rich Perrine

Itasca County CISMA

Eric Raitanen

Kanabec County Weed Management Area Partnership (KCWMAP)

Kelly Osterdyk

Lake County Invasives Team Laurel Wilson

Ramsey County CWMA

Carole Gernes

Red Lake Cooperative Weed Management Program

Tanya Hanson

Rice County CWMA

Steven Pahs

Steele County Invasive Species Management Area

Eric Gulbransen

Wabasha County CWMA

Terri Peters




Crooked River CWMA

Jennifer Hillmer

Lake Erie CWMA

Jarred Molesky

Oak Openings Region Cooperative Weed Management Area Lindsey Reinarz




Door County Invasive Species Team

Greg Coulthurst

Greater Sauk County Invasive Plant Team

John Exo

Lakeshore Invasive Species Management Area

Jennifer Powell

Lower Chippewa Invasives Partnership

Chris Gaetzke and Kathy Stahl

Northwoods CWMA

Pamela Roberts

Southeastern Wisconsin Invasive Species Consortium

Jill Hapner

Southwest Wisconsin Invasive Species Consortium Patrick Dayton, Cara Carper

St. Croix-Red Cedar CWMA

Valerie Johnson

Timberland Invasives Partnership (TIP)

Chris Arrowood

Upper Chippewa Invasive Species Cooperative

Marjory Brzeskiewicz

Wisconsin Headquarters Invasives Partnership (WHIP)

Rosie Page

Wild Rivers Invasive Species Coalition

Emily Anderson


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

Federal Funding Opportunities: