Taxon  Report   2129 
Cirsium fontinale  E. Greene  var. campylon  (H. sharsm.) Keil & C. Turner
Mt hamilton thistle,  Mt. hamilton thistle
Cirsium fontinale var. campylon
© 2014 Chris Winchell
Click on a photo to see it bigger.
Cirsium fontinale var. campylon
© 2014 Chris Winchell
Cirsium fontinale var. campylon
© 2012 Aaron Schusteff
Cirsium fontinale var. campylon, a dicot, is a perennial herb that is native to California and is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

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one or more occurrences
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Plant Characteristics
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Bloom Period
Cirsium fontinale var. campylon
© 2004 David A. Tharp
Genus: Cirsium
Parent Record Cirsium fontinale
Chaparral, Valley Grassland, Foothill Woodland, wetland-riparian
Habitat: seeps
Wetlands: Occurs in wetlands
AFFINITY to serpentine soil:   5.9 (strict endemic)   [Safford et al 2005]
Distribution by County 

Add an Observation of  Cirsium fontinale var. campylon

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

CNPS + PLANTS: Cirsium campylon
More information about  Cirsium fontinale var. campylon
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


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: Feb 25, 2018).

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