WISCONSIN BOTANICAL INFORMATION SYSTEM
Wisconsin State Herbarium

Wisflora - Vascular Plant Species

University of  Wisconsin - Madison 

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WISFLORA: Vascular Plant Species

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Family: Asteraceae
  Genus: Centaurea

    Centaurea nigra L.+
        black knapweed, lesser knapweed
             Centaurea nigra L. var. radiata DC.

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