Lactuca virosa L.
(Greater Lettuce, Great Lettuce)

Taxonomic hierarchy:
SpeciesLactuca virosa (Greater Lettuce, Great Lettuce)
GenusLactuca (lettuces)
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 Lactuca virosa (Greater Lettuce, Great Lettuce) :
1: Lactuca virosa (Greater Lettuce, Great Lettuce)
6 Sep 2014 OSGR: SZ19 50° 40’ N, 1° 50’ W Vice County: South Hants (VC 11) England
in fruit, beside car park
Image 1: Leaf base - face view - black backgroundImage 2: Leaf base - face view - black background (2)Image 3: Leaf base - side view - black backgroundImage 4: Plants - in fruitImage 5: Capitulum - oblique view - enlarged - black backgroundImage 6: Seed - magnified - black backgroundImage 7: Seeds - close-up - magnified - silver backgroundImage 8: Seeds - magnified - black backgroundImage 9: Seeds - magnified - silver background
2: Lactuca virosa (Greater Lettuce, Great Lettuce)
1 Apr 2000 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
at foot of wall
Image 1: Winter rosette - in situImage 2: Winter rosette - in situ - side viewImage 3: Winter rosette - in situ - side view (2)
3: Lactuca virosa (Greater Lettuce, Great Lettuce) IDENTIFICATION UNCERTAIN
10 May 1998 OSGR: SU56 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
shade plant - less red colouration than normal
Image 1: Leaf - top surfaceImage 2: Leaf - top surface - close-up of teethImage 3: Plant

Lactuca virosa (Greater Lettuce, Great Lettuce) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Lactuca virosa (Greater Lettuce, Great Lettuce)
BioInfoBioInfo (www.bioinfo.org.uk) has 4 host/parasite/foodplant and/or other relationships for Lactuca virosa (Greater Lettuce, Great Lettuce)
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