Calflora
Taxon  Report   2140    
Cirsium occidentale  (Nutt.) Jeps.  var. californicum  (A. Gray) D. J. Keil & C. E. Turner
Bigelow thistle,  California thistle, Cobwebby thistle
Cirsium occidentale var. californicum
© 2007 Matt Below
Photos from
CalPhotos / Calflora
Cirsium occidentale var. californicum
© 2008 Thomas Stoughton
Cirsium occidentale var. californicum
© 2011 Steven Thorsted
Cirsium occidentale var. californicum, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Cirsium occidentale var. californicum
© 2018 Marcyn Del Clements
Family: ASTERACEAE  
Genus: Cirsium
Parent: Cirsium occidentale
Communities: Coastal Sage Scrub, Southern Oak Woodland, Foothill Woodland, Chaparral, Yellow Pine Forest

Habitat: slopes

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Cirsium californicum ssp. pseudoreglense
PLANTS: Cirsium californicum var. bernardinum
PLANTS: Cirsium californicum
More information about  Cirsium occidentale var. californicum
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 (CIOCC4)

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: Dec 16, 2018).