PLANTS Profile for Cirsium occidentale var. californicum (cobwebby thistle)

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PLANTS Profile

Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner
cobwebby thistle

Symbol:

CIOCC4

Group:

Dicot

Family:

Asteraceae

Duration:

Biennial

Growth Habit:

Forb/herb

Native Status:

L48

Click on the image below to enlarge it and download a high-resolution JPEG file.

Photo of Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

Cirsium californicum

©G.A. Cooper. Courtesy of Smithsonian Institution, Department of Systematic Biology-Botany. United States, CA, Mill Creek, E. of Redlands. Usage Requirements. Any use of copyrighted images requires notification of the copyright holder.

More Information:

Images:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

Click on a thumbnail to view an image, or see all the Cirsium thumbnails at the PLANTS Gallery

Synonyms:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

	CICA3	Cirsium californicum A. Gray
	CICAP3	Cirsium californicum A. Gray ssp. pseudoreglense Petr.
	CICAB	Cirsium californicum A. Gray var. bernardinum (Greene) Petr.

Distribution:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner


View Native Status

See U.S. county distributions (when available) by clicking on the map or the linked states below:
USA (CA)

Related Taxa:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

View 480 genera in Asteraceae, 95 species in Cirsium, 5 varieties in Cirsium occidentale (Nutt.) Jeps.

Classification:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

Click on a scientific name below to expand it in the PLANTS Classification Report.


Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Asteridae
Order	Asterales
Family	Asteraceae – Aster family
Genus	Cirsium Mill. – thistle
Species	Cirsium occidentale (Nutt.) Jeps. – cobwebby thistle
Variety	Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner – cobwebby thistle

Noxious Weed Information:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

The related entities italicized and indented above are listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds.

Arkansas:
Cirsium
thistle		Noxious weed
Iowa:
Cirsium
thistle		Primary noxious weed

U.S. Weed Information:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

Cirsium
thistle

The related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.

STATE

Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments.

More Accounts and Images:
Cirsium occidentale (Nutt.) Jeps. var. californicum (A. Gray) Keil & C. Turner

View photographs from CalPhotos.

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 531191.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View 1 propagation protocol from Native Plants Network.

Time Generated: 05/18/2013 04:29 AM CDT