Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Great Plains, Great Lakes region, and northeastern North America.
Habitat: Meadows, thickets, and other moist places at low to middle elevations.
Flowers: June-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
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PNW Herbaria: Specimen records of Lactuca tatarica in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Lactuca tatarica checklist entry
OregonFlora: Lactuca tatarica information
E-Flora BC: Lactuca tatarica atlas page
CalPhotos: Lactuca tatarica photos