Mycosphaerella pyri (Auersw.) Boerema
(Pear Leaf Fleck - causative organism)

Interactions where Mycosphaerella pyri is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
pseudothecium (amphigenous, erumpent) amphigenous, erumpent pseudothecium causes spots on leaf Pyrus communis Pear Rosales: Rosaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella pyri/Mycosphaerella pyripear leaf fleck (causative organism)amphigenous, erumpentpseudothecium Foodplant / spot causer /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus communis/Pyrus communispearleaf
pseudothecium (hypophyllous, densely gregarious, immersed or part erumpent) hypophyllous, densely gregarious, immersed or part erumpent pseudothecium is saprobic on dry leaf Pyrus communis Pear Rosales: Rosaceae Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella pyri/Mycosphaerella pyripear leaf fleck (causative organism)hypophyllous, densely gregarious, immersed or part erumpentpseudothecium Foodplant / saprobe /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus communis/Pyrus communispeardryleaf
Septoria coelomycetous anamorph (epiphyllous, few, minute, black) epiphyllous, few, minute, black Septoria coelomycetous anamorph causes spots on leaf UK/Ireland Pyrus communis Pear Rosales: Rosaceae Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998
British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935
 /Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Mycosphaerella pyri/Mycosphaerella pyripear leaf fleck (causative organism)epiphyllous, few, minute, blackSeptoria coelomycetous anamorph Foodplant / spot causerUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus communis/Pyrus communispearleaf (7-10)

Author & YearTitleSource
Buczacki, S. & Harris, K., 1998Pests, Diseases & Disorders of Garden PlantsCollins Photoguide, 2nd edition edition, Collins
Ellis, M.B. & J.P., 1997Microfungi on Land Plants: An Identification Handbook2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Grove, W.B., 1935British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidiaVol I, 488pp, Cambridge University Press

Mycosphaerella pyri (Pear Leaf Fleck - causative organism) may also be included in 'feeds on' relations listed under the following higher taxa:

Mycosphaerella pyri (Pear Leaf Fleck - causative organism) may be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesMycosphaerella pyri (Pear Leaf Fleck - causative organism)
GenusMycosphaerella (a genus of ascomycetes)
FamilyMYCOSPHAERELLACEAE (a family of ascomycetes and lichens)
OrderCAPNODIALES (sooty moulds)
SubclassDOTHIDEOMYCETIDAE (a subclass of fungi)
ClassDOTHIDEOMYCETES (a class of ascomycetes)
SubphylumPEZIZOMYCOTINA (a subphylum of ascomycetes)
PhylumASCOMYCOTA (spore shooters, ascomycete)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Mycosphaerella pyri (Pear Leaf Fleck - causative organism)

Identification Works

Handling & MagnificationAuthorYearTitleSource
Sivanesan, A. 1990 Mycosphaerella pyri I.M.I. Descriptions of Pathogenic Fungi and Bacteria CMI Descriptions of Pathenogenic Fungi and Bacteria Sheet 989.

Mycosphaerella pyri (Pear Leaf Fleck - causative organism) may also be included in identification literature listed under the following higher taxa:

Literature listed under the following higher taxa may be relevant to Mycosphaerella pyri (Pear Leaf Fleck - causative organism):

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