Onopordum acanthium L.
(Cotton Thistle)

Taxonomic hierarchy:
SpeciesOnopordum acanthium (Cotton Thistle)
GenusOnopordum (a genus of flowering plants)
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 Onopordum acanthium (Cotton Thistle) :
1: Onopordum acanthium (Cotton Thistle)
15 Jul 2007 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
on roadside
Image 1: Capitulum - face view - close-upImage 2: Capitulum - faded - side view - close-upImage 3: Capitulum - oblique view - close-upImage 4: Capitulum - ripening seeds - side view - close-upImage 5: Capitulum - side view - close-upImage 6: Capitulum - side view - close-up (2)Image 7: Capitulum - side view - close-up (3)Image 8: Flower branchesImage 9: Leaf - close-upImage 10: PlantImage 11: Plant - close-up
2: Onopordum acanthium (Cotton Thistle)
17 Jun 1978 OSGR: TQ04 51° 10’ N, 0° 30’ W Vice County: Surrey (VC 17) England
Image 1: Capitula - in bud - close-upImage 2: Plant
3: Onopordum acanthium (Cotton Thistle)
22 Jun 1971 OSGR: TG10 52° 40’ N, 1° 10’ E Vice County: East Norfolk (VC 27) England
Image 1: Plant

Onopordum acanthium (Cotton Thistle) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Onopordum acanthium (Cotton Thistle)
BioInfoBioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Onopordum acanthium (Cotton Thistle)
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