System for Ultrasound Treatment of Aquatic Organisms Exotic plant invasion has caused severe environmental and economic damage. Free-floating plants such as water chestnut (Trapa natans L.), water hyacinth (Eichhornia crassipes Solms), water lettuce (Pistia stratiotes L.), European forg's-bit (Hydrocharis morsus-ranae L.), giant salvinia (Salvinia Molesta D.S. Mitchell) and common salvinia (Salvinia... Category(s): Technology Classifications > Agriculture, Technology Classifications > Environment, Campus > SUNY Plattsburgh