The Nature Conservancy

Giant Salvinia

Salvinia herzogii

Giant Salvinia (Salvinia herzogii) is an invasive plant. It is a native of South America.

The growth of these plants can very quickly form dense mats that may be more than 2 m thick. These mats block light and oxygen, displacing native plants.

For more information about this plant pest, see the CABI data sheet.

3/2020 - RDA taps Texas water management firm to combat giant salvinia in Lake Columbia
3/2020 - Giant salvinia found in three southwest Arkansas lakes
1/2020 - 3-foot drawdown hopes to curb Lake Columbia's new giant salvinia problem
1/2020 - Giant salvenia may have impact on Magnolia water system, Mayor Vann says
1/2020 - Giant salvenia starts to clog coves on Lake Columbia
1/2020 - Invasive plant species Giant Salvinia found in Lake Columbia
12/2019 - Reservoir lowered in preparation for Giant Salvinia eradication
12/2019 - Invasive giant salvinia found at Houston Co. lake
12/2019 - Barnett Reservoir may be lowered to combat invasive giant salvinia
12/2019 - TPWD: Invasive giant salvinia found in Houston County Lake