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.
Growth Duration: Annual, Biennial
Conservation Status: Not of concern
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.
USDA Plants: Lactuca sativa information.