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Alligatorweed (Alternanthera philoxeroides)

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Alligatorweed

(Alternanthera philoxeroides)

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Pennsylvania

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    Return to Invasive Here but Not There

    Virile Crayfish

    Photo credit: STILL NEED!!!

    (Orconectes virilis)

    Range Information

    The map below depicts both the native and invasive ranges of Virile crayfish in Pennsylvania, shown here by

    HUC 8 watersheds. Data used to create this map was provided by staff from the Western Pennsylvania Conservancy.

    Native Range

    Invasive Range

    Map needs re-done!

    The Pennsylvania iMapInvasives Program is a partnership of the Western Pennsylvania Conservancy, the Pennsylvania Natural Heritage Program, and NatureServe.

    Funding for Pennsylvania iMapInvasives is provided by the Great Lakes Restoration Initiative.

    NatureServe logo, iMapInvasives partner
    Pennsylvania Natural Heritage Program, iMapInvasives partner
    Great Lakes Restoration Initiative logo, iMapInvasives funding source