Calflora
Taxon  Report   7500    
Senecio hydrophiloides  Rydb.
Sweet marsh ragwort,  Tall groundwel
Senecio hydrophiloides
© 2008 Dean Wm. Taylor, Ph.D.
Photos from
CalPhotos / Calflora
Senecio hydrophiloides
© 2009 Sierra Pacific Industries
Senecio hydrophiloides
© 2004 Steve Matson
Senecio hydrophiloides, a dicot, is a perennial herb that is native to California, is also found elsewhere in North America and beyond, (questionable).
also called Senecio foetidus
CNPS Rare Plant Rank: 4.2 (limited distribution).   8th Edition

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 hydrophiloides
© 2009 Sierra Pacific Industries
Family: ASTERACEAE  
Genus: Senecio
Communities: Yellow Pine Forest, wetland-riparian

Toxicity: MINOR, DERMATITIS

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: meadows

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
PLANTS: Senecio foetidus var. hydrophiloides
PLANTS: Senecio pereziifolius
CNPS + PLANTS: Senecio foetidus
More information about  Senecio hydrophiloides
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (SEHY)

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: https://www.calflora.org/   (Accessed: Nov 16, 2018).

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