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Invasive Species Management

Two years ago, the Illinois Forestry Development Council prompted a relaunch of the effort to manage invasive species in Illinois.  At that time, a committee of stakeholders was formed to identify a potential structure and strategy to better inform broad education and outreach for existing and potential invasive species in Illinois.  It was recommended that there be more structure and a process based in science, with clear steps resulting in decisions to monitor, educate, and regulate species that may have a significant economic or environmental impact on our state.  

IGIA has had multiple representatives serving on the committee during this time including Gary Knosher (Midwest Groundcovers), Brian Aaron (National Nursery Products), and Kellie Schmidt (IGIA). The committee has worked together to reach a point of consensus on the creation of bylaws and support for the reinstatement of the Illinois Invasive Species Council (IISC). The IISC, as proposed, will serve as an advisory body to help establish a network of experts that work across departments/agencies/and organizations to improve communications and response to invasive threats. This resource has not existed in Illinois since 2014. REVIEW IISC BYLAWS

As of March 2021, we have reached a point where a governing council has been appointed to oversee the management of invasive species.  Ann Tosovsky (Home Nursery Inc) and Steve Worth (Kankakee Nursery Co) will represent the industry perspective on the governing council.  As a next step, the council will meet virtually in April.  The council will be asked to appoint subcommittees for each taxa (terrestrial plants, terrestrial and avian wildlife, pests and pathogens, and aquatic life).  The subcommittees will be tasked with reviewing species of concern, formulate recommended next steps for public education efforts, and more.  They will make recommendations to the governing council.  The Governing Council will meet by Zoom on Tuesday, April 13, 2021. 

Representatives from IGIA have worked hard to ensure that the voice of industry is heard throughout this process and will continue to do so.  There will be opportunities for you to provide input as the IISC begins the process of analyzing potential invasive threats.  The industry will be part of this process at various points along the way, and the association is a great way for you to stay current on the issue. If you have questions about this effort, please call IGIA at 217.546.4733 


Management of Terrestrial Plants in Illinois

Presently, there are two lists that regulate terrestrial plants in Illinois:

Illinois Designated Exotic Weeds List (525 ILCS 10/) Illinois Exotic Weed Act - It shall be unlawful for any person, corporation, political subdivision, agency or department of the State to buy, sell, offer for sale, distribute or plant seeds, plants or plant parts of exotic weeds without a permit issued by the Department of Natural Resources. CLICK HERE TO ACCESS LIST

Illinois Designated Noxious Weeds List - CLICK HERE

University of Illinois Extension Guide to Identifying Exotic Weeds - CLICK HERE

Guide to Managing Invasive Plants and Pests of Illinois - This is an educational resource funded, in part, through a grant from the Illinois Forestry Development Council.  It is an update and expansion of the original Management of Invasive Plants of Southern Illinois. 

How to Identify Common Invasive Plants in the Chicago Region (Videos) CLICK HERE


Management of Terrestrial Plants in the Midwest

This publication was funded, in part, through a grant from the Illinois Forestry Development Council.  It is an update and expansion of the original document which was supported by Illinois Wildlife Preservation Fund.  Access the Guide

WIGL header

The Woody Invasives of the Great Lake Collaborative (WIGL) was been created to help you find solutions! Land managers, green industry professionals, homeowners and educators can use the website to identify, manage and replace invasive woody plants, and restore habitat for native plants and wildlife. It is a tool to promote communication and shared learning across the midwest.  Visit www.woodyinvasives.org to learn more.


What's Happening with Invasive Species Management in Other States

Missouri Invasive Plant Task Force (MoIP) - In 2015, Grow Native! spearheaded a multi-agency, multi-industry networking and advocacy group to bolster efforts in Missouri to identify and control the invasive plant species that impact several sectors of the Missouri economy and native biodiversity. The task force works to review, discuss, and recommend educational and regulatory actions related to managing known and potential non-­native invasive plants. Representatives from the fields of conservation, agriculture, botanical science, ecological services, plant production, horticulture, landscape services and design, and arboriculture makeup the task force. LEARN MORE

Missouri Identification and Management Guides for Invasive Plants - CLICK HERE

Missouri Invasive Plant Task Force Invasive Plant Assessment - CLICK HERE

Top Invasive Plants Expanding in Missouri - Based on MoIP's statewide assessment created by field biologists in the state who have estimated how rapidly certain species are expanding to form new occurrences throughout each of the state's primary ecological regions. CLICK HERE

Indiana Invasive Species Council (IISC) - was established by the state legislature to enhance the ability of government agencies to detect, prevent, monitor, and manage new and long-established invasions, as well as increase public awareness about invasive species. It arose out of an Invasive Species Task Force, which rigorously evaluated numerous exotic species for their degree of invasiveness.  The council appointed an advisory committee in 2009 to address invasive plant issues in the state. Their first act was to develop a science-based, transparent list of invasive plants for Indiana through an assessment process that ranked species as high, medium, or low invasive risk, and listed others that bear watching to see if they become invasive. LEARN MORE

2019 Invasive Terrestrial Plant Rule - CLICK HERE

Prohibited Plants Fact Sheet - CLICK HERE

Alternative Options for Invasive Landscape Plants - CLICK HERE