Calflora
Taxon  Report   7508 
Senecio jacobaea  L.
Stinking willie,  Tansy ragwort
Senecio jacobaea
© 2014 Richard Spellenberg
More 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 + photos)



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
Family: ASTERACEAE  
Genus: Senecio
Community:
wetland-riparian
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Toxicity: MINOR, DERMATITIS   [California Poison Control System]    
Name Status:
Accepted by JEF + PLANTS + JM93
Alternate Names:
(according to)

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

USDA PLANTS Profile (SEJA)

Search the International Plants Names Index

Search efloras.org (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: http://www.calflora.org/   (Accessed: Sep 23, 2018).

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