Colorado Weed Management Association.
Invasive Plants Association of Wisconsin (IPAW).
One of the basic principles of invasive plant management is early detection. To that end, IPAW is sponsoring a reward program to encourage and provide incentive for citizens of the state to look for and report prohibited invasive plants.
Lower Platte Weed Management Area.
Montana Weed Control Association.
Nebraska Weed Control Association.
River Alliance of Wisconsin.
Utah Weed Control Association.