Dangerous South American weed threatening fish, clogging LA waterways

Robert Barham, the head of the LA Dept of Wildlife and Fisheries recently noted that Salvinia, (Salvinia molesta), a floating invader from South America is clogging Louisiana's waterways and threatening fish at a rate faster than the state can fight it. Found first in Louisiana at Toledo Bend, it has now spread to lakes and rivers across the state and is threatening Shreveport's water supply. Full Article.