Taxon  Report   6543    
Pistia stratiotes  L.
Water lettuce
Pistia stratiotes
© 2001 CDFA
Photos from
CalPhotos / Calflora
Pistia stratiotes
© 2016 Ron Vanderhoff
Pistia stratiotes
© 2016 Ron Vanderhoff
Pistia stratiotes, a monocot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Pistia stratiotes
© 2006 Louis-M. Landry
Family: ARACEAE  
Genus: Pistia
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

More information about  Pistia stratiotes
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).