Exobasidium japonicum Shirai
(Azalea Gall)

Taxonomic hierarchy:
SpeciesExobasidium japonicum (Azalea Gall)
GenusExobasidium (redleaf fungi)
FamilyEXOBASIDIACEAE (redleaf fungi)
OrderEXOBASIDIALES (an order of ustilaginomycetes)
SubclassEXOBASIDIOMYCETIDAE (a subclass of ustilaginomycetes)
ClassUSTILAGINOMYCETES (smut fungi and relatives)
SubphylumUSTILAGINOMYCOTINA (a subphylum of fungi)
PhylumBASIDIOMYCOTA (spore droppers, basidiomycetes)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Exobasidium japonicum (Azalea Gall) :
1: Exobasidium japonicum (Azalea Gall)
30 Jul 2013 OSGR: SU56 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
galls on Azalea leaves
Image 1: Gall - white backgroundImage 2: Leaf spray with gall - white backgroundImage 3: Gall - close-up - enlargedImage 4: Gall - close-up - enlarged (2)Image 5: Gall - TS - enlarged - pale backgroundImage 6: Gall - TS - enlarged - pale background (2)Image 7: Gall - underside - close-up - enlarged

Exobasidium japonicum (Azalea Gall) may be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Exobasidium japonicum (Azalea Gall)
BioInfoBioInfo (www.bioinfo.org.uk) has 7 host/parasite/foodplant and/or other relationships for Exobasidium japonicum (Azalea Gall)

A parasitic basidiomycete that transforms leaves of cultivated miniature Azaleas (Rhododendron simsii and allies) into shapeless, fleshy white or reddish galls, up to 3cm across.

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