Photo courtesy of Center for Aquatic and Invasive Plants

Scientific Name Pistia stratiotes L.
Common Name Waterlettuce
Family Araceae (Arum)
Class Monocot
Description Floating rosette species, leaves with dense hairs, vegetatively reproduces by daughter plant formation; flowers inconspicuous
US Distribution Coastal plain from Florida to Texas
Worldwide Distribution Tropical and subtropical regions worldwide; native to Amazon basin, South America
Ecology Floating mat to rooted in moist soil
Economic Importance Major nuisance species in tropical and subtropical regions
Ecological Importance Major negative impact to subtropical and tropical aquatic ecosystems
Notes Less cold tolerant than waterhyacinth, restricted to the warmest subtropical regions
This entry was posted in Aquatic Plants.