Taxon  Report   1143    
Brassica napus  L.
Brassica napus
© 2011 Jean Pawek
Photos from
CalPhotos / Calflora
Brassica napus
© 2005 Louis-M. Landry
Brassica napus
© 2013 Jean Pawek
Brassica napus, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Brassica napus
© 2005 Louis-M. Landry
Genus: Brassica
Communities: weed, characteristic of disturbed places

Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

More information about  Brassica napus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 22, 2019).