Centaurea nigrescens Willd.
			Detail
- Family
 - Asteraceae
 - Botanical Name
 - Centaurea nigrescens Willd.
 - Common Name
 - Tyrol Knapweed
 - Synonym(s)
 - Centaurea dubia Suter; Centaurea vochinensis Bernhardi ex Reichenbach
 - Flora of Virginia Name/Status
 - Centaurea nigrescens Willd.
 - Comments
 - Habitat
 - Fields, pastures, roadsides, and clearings. Infrequent, mountains and Piedmont; rare in the Coastal Plain. This knapweed is a locally abundant and very aggressive weed in northern Virginia. It is now spreading rapidly and becoming more frequent in the central Piedmont and elsewhere.
 - Native Status
 - Introduced
 
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