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Alligatorweed (Alternanthera philoxeroides)

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another person to access the database?

Alligatorweed

(Alternanthera philoxeroides)

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    European frog-bit (Hydrocharis morsus-ranae)
    Photo credit:  © Steffi Gehrig/Flickr

    What species are tracked in Pennsylvania iMapInvasives?

    Overview

    Species tracked in the Pennsylvania iMapInvasives database are all considered invasive, meaning they are non-native, exotic species that are known or thought to cause harm to the environment, the economy, or human health. 

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    If you would like to report a species not currently tracked in Pennsylvania iMapInvasives, please contact us to have the species added to our list.

    View all Tracked Species

    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