skip to content

Tag: Giant Salvinia

The content below has been tagged with the term “Giant Salvinia.”

Articles

  • A green mat-forming plant covers the open water in a marsh
    Information icon Giant salvinia covering a pond in fresh marshes near Forked Island, 6-May-2016. Photo by Ronny Paille, USFWS.

    Bio-control of giant salvinia in coastal Louisiana

    November 13, 2019 | 5 minute read

    Giant salvinia is an invasive floating fern from Brazil. The plant spreads vegetatively, from whole plants or plant fragments. Giant salvinia can double its surface acreage in less than one week. It has been spreading and causing problems in coastal Louisiana since 1989. Giant salvinia tends to accumulate in small ponds or areas lacking water exchange. Once it covers the water’s surface, this floating plant will begin to stack up upon itself, and can extend 12 inches or more above the water surface.  Learn more...

  • Service uses weevils to control invasive salvinia that threatens Louisiana coast

    September 6, 2018 | 4 minute read

    Giant salvinia is an invasive floating fern from Brazil that can double its surface acreage in less than one week in optimal conditions. It has been spreading and causing problems in coastal Louisiana since 1989. Once it covers the water’s surface, this floating plant will begin to stack up upon itself, and can extend 12 inches or more above the water surface. Under such conditions, oxygen recharge of underlying waters is greatly reduced.  Learn more...

Contact Us:

Looking for a media contact? Reach out to a regional spokesperson.

Share this page

Tweet this page on Twitter or follow @USFWSsoutheast

Share this page on Facebook or follow USFWSsoutheast.

LinkedIn

Share this page on LinkedIn