Cirsium douglasii Calflora

Calflora, a 501c3 non-profit

Taxon Report

Cirsium douglasii DC.

Douglas' thistle, Swamp thistle

2014 Steve Matson

2023 R.A. Chasey

2022 Julie A. Kierstead

2019 Julie Kierstead Nelson

2017 Julie A. Kierstead

2011 Michael Perlmutter

2020 Paul Aigner

2011 Neal Kramer

2022 Julie A. Kierstead

2022 Jamie Spielmann

2011 Neal Kramer

2019 Julie A. Kierstead

2020 R.A. Chasey

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


	Plant Range Observation Search ~212 records in California Plant Characteristics

Bloom Period

Photos on Calflora


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

Information about Cirsium douglasii from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (CIDO2) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	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. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 11/21/2024).