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Alligatorweed (Alternanthera philoxeroides)

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Alligatorweed

(Alternanthera philoxeroides)

Pennsylvania

iMapInvasives

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Invasive Here but not There

The following species are known to be native in parts of Pennsylvania as well as invasive in other areas of the state.

Contact the state administrator if you believe there are additional species which should be included on our "Invasive Here but Not There" page.

Plants

Invasive Here but not There Photo credit: © Sonnia Hill/Flickr

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Invertebrates

Invasive Here but not There Photo credit: Tony Palacios, iNaturalist (Encyclopedia of Life)

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Fish

Invasive Here but not There Photo credit: Eric Engbretson, US Fish and Wildlife Service, Bugwood.org

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