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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-27). Data set reviewer(s): Schubert K. (06-03-24); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Microsphaera miurae U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Microsphaera miurae U. Braun. Type: Microsphaera miurae U. Braun.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells obscure, polygonal to irregular, ca. 10-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [436-437] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China. Country or state(s): Japan.

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Lonicera morrowii A. Gray; Lonicera, Caprifoliaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .07-.115 mm in diam.. Margin: External filaments present (sometimes deeply cleft, forked in the lower half); recurved (distinctly; often somewhat twisted in different planes), 1-2 µm long, 6-10 µm in diameter, hyaline or pigmented (yellowish to brown at the base), few or numerous, 5-15 per mm², growing between the lower and upper hald of the ascocarp, stiff and straight (rather), smooth or rough (at the base), thin or thick (towards the base, sometimes moderately thick-walled throughout), ramified, dichotomously branched (3-5 times, rather loose, primary branches usually elongated, tips distinctly recurved, often somewhat twisted in different planes), aseptate or septate (0-1-septate).

Asci: 3-5 asci per ascocarp, not stipitate or indistinctly stipitate, 40-60 µm long, 25-50 µm wide; dehiscence unitunicate.

Ascospores: c. 4 per ascus, spores 4-5 per ascus, ellipsoid or ovoid, 16-25 µm long, 11-15 µm wide; septa absent.

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