Plants Profile for Carduus pycnocephalus (Italian plumeless thistle)

General Information
Symbol:	CAPY2
Group:	Dicot
Family:	Asteraceae
Duration:	Annual
Growth Habit:	Forb/herb
Native Status:	HI I L48 I
Data Source and Documentation

	Native		Introduced		Both		Absent/Unreported
	Native, No County Data		Introduced, No County Data		Both, No County Data

L48

NAV

CAN

SPM

Images

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Brother Alfred Brousseau. Provided by St. Mary's College of California. ©St. Mary's College of California. Usage Requirements.

Synonyms

Classification

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

Rank	Scientific Name and Common Name
Kingdom	Plantae – Plants
Subkingdom	Tracheobionta – Vascular plants
Superdivision	Spermatophyta – Seed plants
Division	Magnoliophyta – Flowering plants
Class	Magnoliopsida – Dicotyledons
Subclass	Asteridae
Order	Asterales
Family	Asteraceae ⁄ Compositae – Aster family
Genus	Carduus L. – plumeless thistle
Species	Carduus pycnocephalus L. – Italian plumeless thistle

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is 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 Carduus thistle Noxious weed
California Italian thistle C list (noxious weeds)
Iowa Carduus thistle Primary noxious weed
Oregon Italian thisle "B" designated weed Italian thisle Quarantine
Washington Italian thistle Class A noxious weed Italian thistle Noxious weed seed and plant quarantine

U.S. Weed Information
Carduus Carduus pycnocephalus Italian thistle compact-headed thistle This plant and 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. State noxious weed lists for 46 states. State agriculture or natural resource departments.
Cal-IPC	California Invasive Plant Council. 2006. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council. Berkeley, California.
WSWS	Whitson, T.D. (ed.) et al.. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status