Sonchus asper (L.) Hill
(Prickly Sow-thistle)

Taxonomic hierarchy:
SpeciesSonchus asper (Prickly Sow-thistle)
GenusSonchus (sow thistles)
TribeLactuceae (“dandelions”)
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 Sonchus asper (Prickly Sow-thistle) :
1: Sonchus asper (Prickly Sow-thistle)
29 Jul 2001 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
on soil mound
Image 1: AuriclesImage 2: Plant
2: Sonchus asper (Prickly Sow-thistle)
10 Jun 2001 OSGR: SU56 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
Image 1: Apex of plantImage 2: Basal leafImage 3: Flower buds - close-upImage 4: Flower - faded - close-upImage 5: PlantImage 6: Stipules - close-up
3: Sonchus asper (Prickly Sow-thistle)
31 May 1971 OSGR: TQ20 50° 50’ N, 0° 10’ W Vice County: East Sussex (VC 14) England
Image 1: Plant

Sonchus asper (Prickly Sow-thistle) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Sonchus asper (Prickly Sow-thistle)
BioInfoBioInfo (www.bioinfo.org.uk) has 18 host/parasite/foodplant and/or other relationships for Sonchus asper (Prickly Sow-thistle)
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