Calflora
Taxon  Report   2127    
Cirsium douglasii  DC.  var. douglasii 
Douglas' swamp thistle,  Douglas' thistle
Cirsium douglasii var. douglasii
© 2006 Matt Below
Photos from
CalPhotos / Calflora
Cirsium douglasii var. douglasii
© 2008 Neal Kramer
Cirsium douglasii var. douglasii
© 2009 Zoya Akulova
Cirsium douglasii var. douglasii, a dicot, is a perennial herb that is native to California.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Cirsium douglasii var. douglasii
© 2013 Neal Kramer
Family: ASTERACEAE  
Genus: Cirsium
Parent: Cirsium douglasii
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Cirsium breweri var. wrangelii
More information about  Cirsium douglasii var. douglasii
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 (CIDOD)

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 18, 2018).