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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Schubert K. @EXCL@ Kainz C. (06-03-20).

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

Type Information: Basionym: Uncinula pseudocarpinicola Y. Nomura & Tanda. Type: Uncinula pseudocarpinicola Y. Nomura & Tanda.

Taxonomic Literature: Taxonomic notes: + cleistothecia: cellulae peridii irregulariter polygonales, 15-20 × 10-15 µm; appendices prope apicem 3,5-5 µm ad medium 5-8 µm basim versus 5-6 µm latae. Nomura Y., Taxonomical study of Erysiphaceae of Japan. - 1-281 [76-77]. Tokyo (1997).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Carpinus cordata Blume; Carpinus, Corylaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid (atro-brunnea), orbicular (globosa), .08-.1 mm in diam.. Margin: External filaments present; uncinate (ad apicem angustatae et spiraliter volutae vel uncinate curvatae, ad basim denuo leviter dilatatae), 70-150 µm long, (3.5)-5-6-(8) µm in diameter, hyaline, few, 10-15 per mm², growing between the lower and upper hald of the ascocarp, thin, not ramified, aseptate or septate (0-1-septatae).

Asci: 3-5 asci per ascocarp, globose (late ovati), indistinctly stipitate, 40-50 µm long, 37-45 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 7-8 per ascus, ellipsoid, 17-23 µm long, 10-13 µm wide; septa absent.

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