insert_link Environment Tiny weevils are waging war on the invasive water lettuce plant choking South Africa’s Vaal River By Julie Coetzee, South African Institute for Aquatic Biodiversity Water lettuce (Pistia stratiotes L.), also known as Nile cabbage, is a free-floating aquatic plant from the family Araceae, the same family as the arum lily. It’s found on every continent except Antarctica and grows well in tropical to sub-tropical climates. Research suggests it may have originated in South America because it has natural enemies there which have […] todayApril 10, 2024 27