blue wood lettuce
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Lactuca
- species: Lactuca biennis
Fort Saskatchewan
AlbertaFredericton
New BrunswickVaughan
OntarioCharlottetown
Prince Edward IslandLachute
Mont-Royal
Montréal
Québec
Saint-Laurent
Quebec
CanadaBroad Brook
Kent
Milford
North Haven
Waterbury
Willimantic
ConnecticutHaslett
MichiganCorvallis
Hood River
Portland
Salem
OregonBelmont
Bull Run Mountain Estates
McLean
VirginiaLeavenworth
Olympia
Seattle
White Salmon
WashingtonWashington, D. C.
Washington, D.C.
United States