The gateway to invasive species information; covering federal, state, local and international sources.
Invasive species are plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration, and whose introduction causes or is likely to cause harm. Learn what determines if a species is invasive.
Slideshow of Featured Species
Featured
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News
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What's New
See what's new on NISIC's Web site
![](https://webarchive.library.unt.edu/web/20201218011128im_/https://www.invasivespeciesinfo.gov/sites/www.invasivespeciesinfo.gov/files/styles/card/public/identify-b305x205px.gif?itok=9YkLKyu5)
Identify
![](https://webarchive.library.unt.edu/web/20201218011128im_/https://www.invasivespeciesinfo.gov/sites/www.invasivespeciesinfo.gov/files/styles/card/public/calendar-b305x205px.gif?itok=cxknC5VV)