The Great Lakes and St. Lawrence Governors and Premiers have identified the "least wanted" aquatic invasive species (AIS) that present an imminent threat to the Great Lakes-St. Lawrence River region. In 2013, the Governors and Premiers committed to take priority action on the transfer of these species to and within the region. Since then, the states and provinces have taken more than 50 separate actions to restrict these high-risk AIS, and the US federal government has similarly restricted four of the species. See also: Aquatic Invasive Species for more resources.
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Conference of Great Lakes and St. Lawrence Governors and Premiers.
Maine Department of Agriculture, Conservation and Forestry.
University of Illinois Extension.
Technical Forestry Bulletin NRES-160.
Chicago Botanic Garden.
Southeast Exotic Pest Plant Council.
North Carolina State University. Cooperative Extension. Going Native: Urban Landscaping for Wildlife with Native Plants.
Maine Department of Agriculture, Conservation, and Forestry. Maine Natural Areas Program.
See also: Official 2019 Endorsement of the Advisory List of Invasive Plants (PDF | 711 KB) by the Maine Department of Agriculture, Conservation and Forestry.