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About: Centaurea nigra     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:Plant, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatMedicinalPlantsyago:LivingThing100004258yago:Object100002684yago:Organism100004475yago:PhysicalEntity100001930yago:Plant100017222plantyago:Whole100003553yago:WikicatPlantsDescribedIn1753umbel-rc:Plant New Facet based on Instances of this Class

Centaurea nigra is a species of flowering plant in the family Asteraceae known by the common names lesser knapweed, common knapweed and black knapweed. A local vernacular name is hardheads. It is native to Europe but it is known on other continents as an introduced species and often a noxious weed.