Distribution: Occurring in scattered locations in Washington; Washington to California, east to Idaho; in scattered locations in the central U.S., more commonly distributed in eastern North America.
Habitat: Disturbed areas, often escaping from cultivation.
Flowers: July-September
Origin: Introduced
Growth Duration: Annual, Biennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
[none provided]
PNW Herbaria: Specimen records of Lactuca sativa in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lactuca sativa checklist entry
OregonFlora: Lactuca sativa information
E-Flora BC: Lactuca sativa atlas page
CalPhotos: Lactuca sativa photos