Taxon  Report   7508 
Senecio jacobaea  L.
Stinking willie,  Tansy ragwort

Senecio jacobaea
© 2009 Zoya Akulova
Senecio jacobaea, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
The California Invasive Plant Council classifies its potential impact on native ecosystems as limited   (plant profile / CalWeedMapper).

 Interactive Distribution Map 

 Observation Hotline 
 (observation details + photos)

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations

Bloom Period
Senecio jacobaea
© J. E.(Jed) and Bonnie McClellan 2007 California Academy of Sciences
Genus: Senecio
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Senecio jacobaea

Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

TJM2 + PLANTS: Jacobaea vulgaris
 More information about  Senecio jacobaea

Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 25, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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