LSU AgCenter launches new website about giant salvinia

BATON ROUGE, LA - The LSU AgCenter has a new resource to help educate the public about the invasive weed giant salvinia.
The website,, looks at the problem of salvinia and control methods. Images and maps show how the aquatic plant has spread across Louisiana waterways.
Giant salvinia is a free-floating fern native to southeastern Brazil. LSU AgCenter entomologist Rodrigo Diaz said it creates dense mats of weeds on lakes, ponds and reservoirs throughout the southeastern United States. The thick mats prevent sunlight from reaching the water column and suppress native vegetation while affecting fish, waterfowl and other species in the area.
“The purpose of the website is to have a central hub for information about giant salvinia,” Diaz said. “We have compiled practical information about the biological control program of giant salvinia in Louisiana.”

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