Plants Profile for Pistia stratiotes (water lettuce)

General Information
Symbol:	PIST2
Group:	Monocot
Family:	Araceae
Duration:	Perennial
Growth Habit:	Forb/herb
Native Status:	HI I L48 N PR N VI N
Data Source and Documentation

	Native		Introduced		Both		Absent/Unreported
	Native, No County Data		Introduced, No County Data		Both, No County Data

L48

NAV

CAN

SPM

Images

click on a thumbnail to view an image, or see all the Pistia thumbnails at the Plants Gallery

©Robin R. Buckallew. United States, KS, Wichita. Usage Requirements.

Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.

Rank	Scientific Name and Common Name
Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Liliopsida – Monocotyledons
Subclass	Arecidae
Order	Arales
Family	Araceae – Arum family
Genus	Pistia L. – pistia
Species	Pistia stratiotes L. – water lettuce

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds.
Alabama water-lettuce Class C noxious weed
California water lettuce B list (noxious weeds)
Connecticut water lettuce Potentially invasive, banned
Florida water lettuce Prohibited aquatic plant, Class 2
South Carolina water lettuce Invasive aquatic plant water lettuce Plant pest
Texas waterlettuce Noxious plant

U.S. Weed Information
Pistia stratiotes apon-apon laitue d'eau lechuguita de qgua pistie tropical duckweed water lettuce This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
STATE	Assorted authors. State noxious weed lists for 46 states. State agriculture or natural resource departments.
FLEPPC	Florida Exotic Pest Plant Council. 1999. Invasive plant list. Florida Exotic Pest Plant Council. Florida.

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean	OBL
Hawaii	OBL

North America
Arid West	OBL
Atlantic and Gulf Coastal Plain	OBL
Eastern Mountains and Piedmont	OBL
Great Plains	OBL
Midwest	OBL
Northcentral & Northeast	OBL
Western Mountains, Valleys, and Coast	OBL