Pistia stratiotes

Scientific Name - Pistia stratiotes
Common Name - Water Lettuce

Pistia strtiotes is a floating plant with large network of fibrous roots dangling underwater. The leaves are in a dense rosette form. Flowers are numerous, small and hidden at the base of the leaves. It is a extremely fast growing plant. It doubles its biomass every 10 to 15 days depending on the temperature of the water and nutrients.