Taxon  Report   7628    
Sisymbrium irio  L.
London rocket
Sisymbrium irio
© 2006 Richard Zmasek
Photos from
CalPhotos / Calflora
Sisymbrium irio
© 2010 Zoya Akulova
Sisymbrium irio
© 2006 Richard Zmasek
Sisymbrium irio, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Moderate

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Sisymbrium irio
© 2007 Luigi Rignanese
Genus: Sisymbrium
Communities: weed, characteristic of disturbed places

Habitat: disturbed

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Norta irio
More information about  Sisymbrium irio
Photos on   /   Google Images
UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

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 18, 2019).