A little over 10 years ago, we wrote about a "Killer Weed" that had been mistakenly introduced to some Texas lakes and was quickly covering them with a thick blanket of vegetation.Salvinia molesta, also known as Giant Salvinia, reproduces itself faster than the Octomom and is a dire threat to freshwater plants and organisms that need sunlight.The weed was first found at a Houston elementary school's pond, of all places. Texas Parks & Wildlife officials told us of how a bit of the weed, tr
