Page author: David Giblin
Lactuca virosa
great lettuce, tall lettuce, wild lettuce

Distribution: Occurring west of the Cascades crest in lowland areas in Washington; also in California, Mississippi, and Maryland.

Habitat: Roadsides, ditches, sidewalks, wastelots, and other disturbed, open areas at low elevations.

Flowers: May-October

Origin: Introduced from Europe

Growth Duration: Biennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


[none provided]

Accepted Name:
Lactuca virosa L.
Publication: Sp. Pl. 2: 795. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Lactuca virosa in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Lactuca virosa checklist entry

OregonFlora: Lactuca virosa information

E-Flora BC: Lactuca virosa atlas page

CalPhotos: Lactuca virosa photos

10 photographs:
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