Centaurea nigra var nigra
(Common Knapweed)

Taxonomic hierarchy:
VarietyCentaurea nigra var nigra (Common Knapweed)
Species sensu latoCentaurea nigra sens. lat. (=nigra/debeauxii) (common knapweed, lesser knapweed, hardheads)
GenusCentaurea (knapweeds and star-thistles)
TribeCardueae (“thistles”)
SubfamilyLACTUCOIDEAE (“dandelions”)
FamilyASTERACEAE (daisies, dandelions and thistles, composite)
OrderASTERALES (daisies, dandelions, thistles and bell flowers)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Centaurea nigra var nigra (Common Knapweed) :
1: Centaurea nigra var nigra (Common Knapweed)
25 Aug 2007 OSGR: SD86 54° 10’ N, 2° 10’ W Vice County: Mid-west Yorks (VC 64) England
Image 1: Capitula - oblique viewImage 2: Capitula - side view - close-upImage 3: Capitula - side view - close-up (2)Image 4: Plant - close-upImage 5: Plant - in situImage 6: Plant - in situ (2)

Centaurea nigra var nigra (Common Knapweed) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Centaurea nigra var nigra (Common Knapweed)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Centaurea nigra var nigra (Common Knapweed)
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