Lactuca canadensis
Plants
NPS/Boston Photo Imaging · public_domain
About
Lactuca canadensis is a species of wild lettuce known by the common names Canada lettuce, Canada wild lettuce, and tall lettuce. Its true native range is not clear, but it is considered to be a native of the eastern and central parts of North America. It is naturalized in the western part of the continent as well as in Eurasia.
Summary from Wikipedia
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Growing details and traits for Lactuca canadensis in the Library.
No cultivars in the Library yet — the full profile above covers the species itself.