Peronospora violacea Berk.
(a downy mildew)

Taxonomic hierarchy:
SpeciesPeronospora violacea (a downy mildew)
GenusPeronospora (a genus of downy mildews)
FamilyPERONOSPORACEAE (downy mildews)
OrderPERONOSPORALES (downy mildews and white rusts)
ClassPERONOSPOREA (a class of fungoid organisms)
PhylumOOMYCOTA (a group of mainly plant-parasitic fungi)
KingdomCHROMISTA (algae)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Peronospora violacea (a downy mildew) :
1: Peronospora violacea (a downy mildew)
18 Sep 2007 OSGR: SU57 51° 30’ N, 1° 10’ W Vice County: Berks (VC 22) England
on florets of Field Scabious
Image 1: Infected capitulum - pale backgroundImage 2: Infected capitulum - pale background (2)Image 3: Infected capitulum - pale background (3)Image 4: Infected capitulum - enlarged - pale backgroundImage 5: Infected floret - magnifiedImage 6: Infected floret - magnified (2)Image 7: Infected florets - enlarged - grey backgroundImage 8: Oospores - magnifiedImage 9: Oospores - magnified (2)Image 10: Oospores - magnified (3)Image 11: Sporangia - magnifiedImage 12: Sporangia - highly magnifiedImage 13: Sporangiophore - magnifiedImage 14: Sporangiophore - microscope low magnificationImage 15: Sporangiophores and sporangia - microscope low magnification
2: Peronospora violacea (a downy mildew)
31 Jul 1999 OSGR: SU57 51° 30’ N, 1° 20’ W Vice County: Berks (VC 22) England
on flowers of Field Scabious
Image 1: Infected flowerheadImage 2: Infected flowerhead (2)Image 3: Infected flowerhead (3)Image 4: Infected flowerhead - close-upImage 5: Infected flowerhead - oldImage 6: Infected flowerhead - old - close-upImage 7: Sporangia on petals - highly enlargedImage 8: Sporangia on petals - highly enlarged (2)Image 9: Sporangia on petals - highly enlarged (3)Image 10: Sporangia on petals - highly enlarged (4)Image 11: Sporangia on petals - highly enlarged (5)Image 12: Sporangia on petals - highly enlarged (6)Image 13: Oospore - magnifiedImage 14: Oospores in petal tissue - magnifiedImage 15: Oospores in petal tissue - magnified (2)Image 16: Oospores in petal tissue - magnified (3)Image 17: Oospores in petal tissue - magnified (4)Image 18: Pollen grain of host - magnifiedImage 19: Pollen grain of host - magnified (2)Image 20: Pollen grain of host - magnified (3)Image 21: Pollen grain of host - magnified (4)Image 22: Pollen grain of host - magnified (5)Image 23: Sporangia - magnifiedImage 24: Sporangia on sporangiophore - magnifiedImage 25: Sporangiophore - magnifiedImage 26: Sporangiophore - magnified (2)Image 27: Sporangiophore - magnified (3)Image 28: Sporangiophore - magnified (4)Image 29: Subsidiary infection or contaminant - magnified

Peronospora violacea (a downy mildew) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Peronospora violacea (a downy mildew)
BioInfoBioInfo (www.bioinfo.org.uk) has 4 host/parasite/foodplant and/or other relationships for Peronospora violacea (a downy mildew)
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