Taxon  Report   10364 
Senecio serra  Hook.
Tall ragwort
Senecio serra
© 2010 Barry Breckling
Click on a photo to see it bigger.
Senecio serra, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
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Plant Characteristics
and Associations

Bloom Period
Senecio serra
© 2010 Barry Breckling
Genus: Senecio
Subspecies and Varieties:
Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian
Wetlands:Equally likely to occur in wetlands or non 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 serra
Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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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