Plants Profile for Carduus acanthoides (spiny plumeless thistle)

General Information
Symbol:	CAAC
Group:	Dicot
Family:	Asteraceae
Duration:	Biennial
Growth Habit:	Forb/herb
Native Status:	CAN 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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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 acanthoides L. – spiny 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.
Arizona plumeless thistle Prohibited noxious weed
Arkansas Carduus thistle Noxious weed
California plumeless thistle A list (noxious weeds)
Colorado plumeless thistle B list (noxious weeds)
Iowa Carduus thistle Primary noxious weed
Maryland plumeless thistle Noxious weed
Minnesota plumeless thistle Prohibited noxious weed
Nebraska plumeless thistle Noxious weed
North Carolina plumeless thistle Class B noxious weed
Oregon plumeless thistle "A" designated weed plumeless thistle Quarantine
South Dakota plumeless thistle Regulated non-native plant species
Washington plumeless thistle Class B noxious weed plumeless thistle Noxious weed seed and plant quarantine
West Virginia plumeless thistle Noxious weed
Wyoming plumeless thistle Noxious weed

U.S. Weed Information
Carduus Carduus acanthoides plumeless thistle spiny plumeless 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.
NE&GP	Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains. Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.
WI	Hoffman, R.and K. Kearns (eds.). 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources. Madison, Wisconsin.
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