Taxon  Report   7508    
Senecio jacobaea  L.
Stinking willie,  Tansy ragwort
Senecio jacobaea
© 2014 Richard Spellenberg
Photos from
CalPhotos / Calflora
Senecio jacobaea
© 2009 Zoya Akulova
Senecio jacobaea
© 2014 Richard Spellenberg
Senecio jacobaea, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Limited

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
Senecio jacobaea
© 2009 Phil Pullen
Genus: Senecio
Communities: wetland-riparian


Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN + PLANTS: Jacobaea vulgaris
More information about  Senecio jacobaea
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).