Plants Profile for Centaurea nigrescens (Tyrol knapweed)

General Information
Symbol:	CENI3
Group:	Dicot
Family:	Asteraceae
Duration:	Perennial
Growth Habit:	Forb/herb
Native Status:	CAN I L48 I
Data Source and Documentation

About our new maps

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

Native Status:

L48

NAV

CAN

SPM

Images

click on a thumbnail to view an image, or see all the Centaurea thumbnails at the Plants Gallery

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 558. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.

Synonyms

Symbol	Scientific Name	Other Common Names
CEDET	Centaurea debeauxii Gren. & Godr. ssp. thuillieri Dostál	meadow knapweed
CEDUV	Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek
CEPR2	Centaurea pratensis Thuill., non Salisb., nom. illeg.
CEVO2	Centaurea vochinensis Bernh. ex Rchb.

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	Centaurea L. – knapweed
Species	Centaurea nigrescens Willd. – Tyrol knapweed

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.
Colorado Centaurea pratensis meadow knapweed A list (noxious weeds)
Idaho Centaurea pratensis meadow knapweed Noxious weed
Oregon short fringed knapweed "B" designated weed short fringed knapweed Quarantine meadow knapweed "B" designated weed meadow knapweed Quarantine
Washington Vochin knapweed Class A noxious weed Vochin knapweed Noxious weed seed and plant quarantine

U.S. Weed Information
Centaurea nigrescens meadow knapweed short-fringed knapweed Centaurea pratensis meadow knapweed This plant and synonym 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.
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