A thick patch of Japanese Barberry

Invasive Species


According to the US Fish and Wildlife Service (USFWS), "Invasive species are non-native plants, animals and other living organisms that thrive in areas where they don’t naturally live and cause (or are likely to cause) economic or environmental harm, or harm to human, animal or plant health." Check out USFWS's Invasive Species webpage here to learn more.

Click on the images below to visit the District's webpage for each species and learn more about them.

For a Limited Time Only!

Have you spotted a mysterious species in your garden or yard and are wondering if it's invasive?

If you want to find out what species they are, use the link below to send us a few photos and a little information that we can use to try to identify them.

Send us your photos here!

A spicebush swallowtail caterpillar on a leaf

Our community starts with you. Land use is decided at the local level in PA with citizens and government officials working together to identify what natural resources are important in each community.


Active citizens are essential. Get Involved! Effective planning cannot happen in a vacuum; it must be a reflection of community values. You Can Make a Difference »