image

Invasive Species in the United States

Experts say that among invasive species, plants can be the most damaging, given their ability to alter entire ecosystems.

Above, a U.S. Fish and Wildlife Service employee examines a water hyacinth, an invasive aquatic plant. The prolific, non-native species crowds out native vegetation.

Return to news story >>

Make a gift to support exploration >>

Subscribe to
National Geographic magazine >>

Photograph by J.K. Hollingsworth, courtesy U.S. Fish and Wildlife Service
NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS



FREE NEWSLETTER

Sign up for our free Inside National Geographic newsletter.

Every two weeks we'll send you our top stories and photos (see sample).

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

ADVERTISEMENT