Taxon  Report   4546 
Lactuca biennis  (Moench) Fern.
Biennial wild lettuce,  Tall blue lettuce
Lactuca biennis
© 2015 Richard Spellenberg
Click on a photo to see it bigger.
Lactuca biennis
© 2015 Richard Spellenberg
Lactuca biennis
© 2006 Louis-M. Landry
Lactuca biennis, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

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Plant Characteristics
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Bloom Period
Lactuca biennis
© 2006 Louis-M. Landry
Genus: Lactuca
Redwood Forest, wetland-riparian
Wetlands: Equally likely to occur in wetlands and non wetlands
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Lactuca spicata var. integrifolia
PLANTS: Lactuca spicata
PLANTS: Mulgedium spicatum var. integrifolium
PLANTS: Mulgedium spicatum
More information about  Lactuca biennis
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 20, 2018).

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