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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-31). Data set reviewer(s): Schubert K. (06-02-28); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Uncinula bischofiae C. T. Wei; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula bischofiae C. T. Wei. Type: Uncinula bischofiae C. T. Wei.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells 9.8-16.8 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [518-519] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China (only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous. Host or Phorophyte Taxonomy: Bischofia trifoliata Hook.; Bischofia, Euphorbiaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, in loose groups, .087-.116 mm in diam.. Margin: External filaments present (conspicuous enlarged at the very base); uncinate (rather close, not enlarged) or circinate, .5-.65-(1) µm long, 5.5-7 µm in diameter, hyaline or pigmented (brown at the base), few, 4-8 per mm², smooth, thin or thick (towards the base), not ramified, septate (a single septum).

Asci: 4-6 asci per ascocarp, indistinctly stipitate, 42-51.8 µm long, 36.4-43.4 µm wide; dehiscence unitunicate.

Ascospores: c. 4 to c. 8 per ascus, spores 5-6-7 per ascus, ovoid (oblong), 16.8-22.4 µm long, 9.8-14 µm wide; septa absent.

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