Pontederia crassipes, commonly known as common water hyacinth is an aquatic plant native to South America, naturalized throughout the world, and often invasive outside its native range. It is the sole species of the subgenus Oshunae within the genus Pontederia.
Scientific name: Eichhornia crassipes
Classes: Liliopsida - Monocotyledons
Family: Pontederiaceae
Kingdom: Plantae
Order: Commelinales