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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (03-01-16). Data set not revised.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Microsphaera cotini Eliade; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Taxonomic Literature: Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Ecology: Growing on leaves, hypophyllous. Host or Phorophyte Taxonomy: Anacardiaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, scattered, .08-.12 mm in diam.. Margin: External filaments present (100-120 µm long); hyaline, 8-12 per mm², growing between the lower and upper hald of the ascocarp, ramified, dichotomously branched (2-4 times, tips of the appendages straight or a few slightly recurved, seemingly distinctly recurved when fully mature).

Asci: 4-7 asci per ascocarp, sub-globose, indistinctly stipitate; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores 4-6 per ascus, ellipsoid, 16-20 µm long, 8-10 µm wide; wall hyaline.

Conidium Formation: Conidiogenous cells single. Conidia: 30-40 µm long, 12-14 µm wide; cell wall hyaline.

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