Taxon  Report   7501 
Senecio hydrophilus  Nutt.
Alkali marsh ragwort,  Water groundsel, Water ragwort
Senecio hydrophilus
© 2008 John Dittes
More photos from
CalPhotos / Calflora
Senecio hydrophilus
© 2002 Steve Matson
Senecio hydrophilus, 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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point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Senecio hydrophilus
© 2008 John Dittes
Genus: Senecio
Freshwater Wetlands, Yellow Pine Forest, Red Fir Forest, Chaparral, wetland-riparian
Habitat: freshwater-marsh
Wetlands: Occurs in wetlands
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Senecio hydrophilus

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

PLANTS: Senecio sandvicensis
ICPN: Senecio hydrophilus var. pacificus
More information about  Senecio hydrophilus
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jun 19, 2018).

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