Taxon  Report   7524 
Senecio vulgaris  L.
Common groundsel,  Old man in the spring, Old man of spring
Senecio vulgaris
© 2010 Neal Kramer
Click on a photo to see it bigger.
Senecio vulgaris
© 2008 Neal Kramer
Senecio vulgaris
© 2008 Neal Kramer
Senecio vulgaris, 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 + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Senecio vulgaris
© 2005 Steve Matson
Genus: Senecio
weed, characteristic of disturbed places
Habitat: disturbed [Walker]
Wetlands: [U.S. Fish & Wildlife Service.]
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Name Status:
Accepted by TJM2 + PLANTS + JM93
More information about  Senecio vulgaris
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
Photos and ID tips from

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 21, 2016).

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