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Alligatorweed (Alternanthera philoxeroides)

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Alligatorweed

(Alternanthera philoxeroides)

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Pennsylvania

iMapInvasives

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    Gold-moss
    Gold-moss
    Sedum acre

    Photo credit: © Stephen Buchan/Flickr
    Oriental bittersweet
    Oriental bittersweet
    Celastrus orbiculatus

    Photo credit: Flickr user "Slow Turning"
    Japanese barberry
    Japanese barberry
    Berberis thunbergii

    Photo credit: © Dan Nydick
    Norway maple
    Norway maple
    Acer platanoides

    Photo credit: Pixabay.com
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    Terrestrial Plants

    Common: Species found in at least 1/3 of Pennsylvania counties. (This does not include cultivated species.)

    Uncommon: Species found in Pennsylvania, but not widespread (i.e., found in less than 1/3 of Pennsylvania counties.)

    Not present: Species not yet found in Pennsylvania.

    ​

    *Status column last updated in August 2016.

    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