Wild lettuce

Wild lettuce is a common name for several lactucarium-containing plants related to lettuce (Lactuca sativa). The name most often refers to Lactuca virosa (Europe, Asia, introduced to North America), though it may also refer to:


 * Lactuca canadensis (North America)
 * Lactuca ludoviciana (NW America)
 * Lactuca serriola (Southern Europe)
 * Lactuca quercina (Eurasia)
 * Lactuca floridana (North America)