Taxon  Report   4550    
Lactuca serriola  L.
Prickly lettuce,  Prickly wild lettuce
Lactuca serriola
© 2017 Gary McDonald
Photos from
CalPhotos / Calflora
Lactuca serriola
© 2006 Jennifer Naegele
Lactuca serriola
© 2006 Luigi Rignanese
Lactuca serriola, a dicot, is an annual 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

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Lactuca serriola
© 2014 Neal Kramer
Genus: Lactuca
Communities: weed, characteristic of disturbed places, wetland-riparian

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Lactuca scariola
More information about  Lactuca serriola
Photos on   /   Google Images
UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

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 18, 2019).