Prickly Lettuce, Lactuca serriola

Limestone Canyon, Irvine Ranch Conservancy. 10/7/12. © Peter J. Bryant	Prickly Lettuce Lactuca serriola More information Back to Asteraceae of Orange County, California Back to Plants of Orange County, California Back to Natural History of Orange County, California
Near Tesoro HS, San Juan Cap., 10-16-11. © Ron Vanderhoff.	Near Tesoro HS, San Juan Cap., 10-16-11. © Ron Vanderhoff.
Near Tesoro HS, San Juan Cap., 10-16-11. © Ron Vanderhoff.	Near Tesoro HS, San Juan Cap., 10-16-11. © Ron Vanderhoff.
UCI Arboretum & Marsh, 6-13-13. © Ron Vanderhoff.	Back Bay Dr., Big Cyn. and N, Upper Newport Bay, 7-21-16. © Ron Vanderhoff.
Sonchus oleraceus L, Lactuca serriola R, UCI Arboretum & Marsh, 6-13-13. © Ron Vanderhoff.	Lactuca serriola L, S. oleraceus R, UCI Arboretum & Marsh, 6-13-13. © Ron Vanderhoff.