Podosphaera clandestina var clandestina (Wallr.) Lév.
(Hawthorn Mildew)

Taxonomic hierarchy:
VarietyPodosphaera clandestina var clandestina (Hawthorn Mildew)
SpeciesPodosphaera clandestina (Hawthorn Mildew)
GenusPodosphaera (a genus of powdery mildews)
FamilyERYSIPHACEAE (powdery mildews)
OrderERYSIPHALES (powdery mildews)
SubclassLEOTIOMYCETIDAE (powdery mildews)
ClassLEOTIOMYCETES (a class of fungi)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Podosphaera clandestina var clandestina (Hawthorn Mildew) :
1: Podosphaera clandestina var clandestina (Hawthorn Mildew)
14 Oct 2007 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
Cleistothecia on underside of Hawthorn leaves
Image 1: Cleistothecia - magnifiedImage 2: Cleistothecia - magnified (2)Image 3: Cleistothecia - magnified (3)Image 4: Cleistothecia - magnified (4)Image 5: Infected leaf - under side - close-upImage 6: Infected leaf - under side - close-up - enlargedImage 7: Infected leaf - under side - close-up - enlarged (2)Image 8: Infected leaf - under side - close-up - enlarged (3)Image 9: Infected leaves - upper sides - white backgroundImage 10: Infected leaves - under sides - white backgroundImage 11: Cleistothecia - microscope low magnificationImage 12: Cleistothecia - microscope low magnification (2)Image 13: Cleistothecia - squash prep - microscope low magnificationImage 14: Cleistothecium - bases of anchoring hyphae - magnifiedImage 15: Parasitic(?) coelomycete pycnidum - magnified
2: Podosphaera clandestina var clandestina (Hawthorn Mildew)
5 May 2002 OSGR: SP22 51° 50’ N, 1° 40’ W Vice County: Oxon (VC 23) England
Conidial anamorph on Hawthorn leaves
Image 1: Infected shootImage 2: Infected shoot - enlargedImage 3: Infected shoot - enlarged (2)Image 4: Infected shoot - enlarged (3)Image 5: Infected shoot - enlarged (4)Image 6: ConidiaImage 7: Conidia (2)Image 8: Conidia (3)Image 9: ConidiophoreImage 10: Conidiophore (2)Image 11: Conidiophore and conidiaImage 12: Conidiophore and conidiumImage 13: Conidiophore and conidium (2)Image 14: Conidiophore and conidium (3)

Podosphaera clandestina var clandestina (Hawthorn Mildew) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Podosphaera clandestina var clandestina (Hawthorn Mildew)
BioInfoBioInfo (www.bioinfo.org.uk) has 4 host/parasite/foodplant and/or other relationships for Podosphaera clandestina var clandestina (Hawthorn Mildew)
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