Aster tripolium var discoideus Reichb.
(a sea aster)

Taxonomic hierarchy:
VarietyAster tripolium var discoideus (a sea aster)
SpeciesAster tripolium (Sea-aster, Sea Aster)
GenusAster (Michaelmas daisies)
TribeAstereae (a tribe of composites)
SubfamilyASTEROIDEAE (“daisies”)
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 Aster tripolium var discoideus (a sea aster) :
1: Aster tripolium var discoideus (a sea aster)
11 Sep 2003 OSGR: SW97 50° 30’ N, 4° 50’ W Vice County: West Cornwall (VC 1) England
on saltmarsh
Image 1: Capitula - oblique viewImage 2: Capitula - oblique view - close-upImage 3: Capitulum - LSImage 4: Capitulum - LS (2)Image 5: Capitulum - LS (3)Image 6: Cauline leaves - upper side and under sideImage 7: InflorescenceImage 8: In situImage 9: In situ (2)Image 10: LeavesImage 11: Leaves and flowering shootImage 12: Capitula - top view - enlargedImage 13: Capitulum - bud - side view - enlargedImage 14: Capitulum - faded - side view - enlargedImage 15: Capitulum - side view - enlargedImage 16: Capitulum - side view - enlarged (2)Image 17: Capitulum - top view - enlargedImage 18: Florets - magnifiedImage 19: Unripe seeds and pappus - magnified
2: Aster tripolium var discoideus (a sea aster)
11 Sep 2003 OSGR: SW97 50° 30’ N, 4° 50’ W Vice County: West Cornwall (VC 1) England
on saltmarsh
Image 1: Plant - close-upImage 2: Plant - in situ
3: Aster tripolium var discoideus (a sea aster)
5 Sep 1970 OSGR: TQ20 50° 50’ N, 0° 20’ W Vice County: East Sussex (VC 14) England
in water at spring high tide
Image 1: In situ - at spring high tide

Aster tripolium var discoideus (a sea aster) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Aster tripolium var discoideus (a sea aster)
BioInfoBioInfo (www.bioinfo.org.uk) has 0 host/parasite/foodplant and/or other relationships for Aster tripolium var discoideus (a sea aster)
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