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    Black, Buffalo, Trempealeau basins

    The Black, Buffalo, Trempealeau basin is a group of three distinct mainstem river basins - the Black, the Buffalo and the Trempealeau, which drain to the Mississippi. This basin is part of the Great Western Rivers area of Wisconsin. The ridgetop and…

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    Understanding invasive species

    Wisconsin Statute Section 23.22 (1) (c) defines invasive species as "nonindigenous species whose introduction causes or is likely to cause economic or environmental harm or harm to human health." Humans move organisms around all the time. Sometimes…

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    Invasive Species Rule – NR 40 terminology

    Prohibited Invasive species that are not currently found in Wisconsin, with the exception of small pioneer stands of terrestrial plants and aquatic species that are isolated to a specific watershed in the state or the Great Lakes, but which, if…

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    Report invasive species

    We are working to keep invasive species out of Wisconsin. Early reports of new populations allow us to respond rapidly and control invasives before they spread into new areas. Select from the tabs below to report invasive species you have found.…

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    Publications

    Publication Catalogs Terrestrial invasive plant publications catalog Aquatic invasive species publications catalog Management Plans Wisconsin Aquatic Invasive Species Management Plan Invasive Plant Control and Restoration Resources

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    Prevention

    Aquatic Take Action to Stop Aquatic Invasive Species!

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    Partners

    Please choose a category from the menu below for a listing of related organizations. Please note all links exit the DNR website. Links to publications and other educational resources can be found on our publications page.

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    Purple loosestrife biocontrol — and you

    Purple loosestrife (Lythrum salicaria) is a flowering plant that can reach 3’-7’ tall and is listed as a Restricted Invasive Species in Wisconsin because of its history of causing negative ecological impacts to wetlands and shorelines. Extensive…

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    Firewood rules and resources

    Firewood Information line

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    Jumping worms

    Jumping worms, are non-native, invasive earthworms first confirmed in Wisconsin in 2013. Native to eastern Asia, they present challenges to homeowners, gardeners and forest managers. Jumping worms get their name from their behavior. When disturbed,…

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