Cirsium douglasii Calflora

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Taxon Report

Cirsium douglasii DC.

Douglas' thistle, Swamp thistle

2019 Julie Kierstead Nelson

2011 Aaron Arthur

2020 Paul Aigner

2010 John Dittes

2010 Sangeet Khalsa

1998 James B. Gratiot

Cirsium douglasii is a perennial herb that is native to California, and also found elsewhere in western North America.


	Plant Range Observation Search (242 records) Plant Characteristics

Bloom Period

Photos from Calflora / CalPhotos


Subspecies and Varieties:
... var. breweri ... var. douglasii
Genus:	Cirsium
Family:	Asteraceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs in wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + PLANTS

More information about Cirsium douglasii


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (CIDO2) BONAP Distribution Map	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape Photos on PlantID.net Google Images Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 08/15/2022).