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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Schubert K. @EXCL@ Kainz C. (06-03-21).

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

Type Information: Basionym: Brasiliomyces kumaonensis N. Ahmad, A. K. Sarbhoy & Kamal. Type: Brasiliomyces kumaonensis N. Ahmad, A. K. Sarbhoy & Kamal.

Taxonomic Literature: Taxonomic notes: +ascomatal peridium pale brown or yellowish, thin, composed of one conspicuous layer, cells irregular or polygonal, 6-12 µm wide. Ahmad N., Sarbhoy A.K. & Kamal, Mycol. Res. 102(1): 30-32 (1998).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous or sometimes amphigenous. Host or Phorophyte Taxonomy: Quercus sp.; Quercus, Fagaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular (globose to subglobose), scattered or gregarious, (.075)-.08-.09-(.095) mm in diam.. Margin: External filaments absent or present (rudimentary, few or absent, shorter than the ascomatal diam.); mycelioid, straight, hyaline, few, smooth, not ramified, aseptate or septate.

Asci: 3-4-(5) asci per ascocarp, not stipitate or indistinctly stipitate, (40)-45-50-(55) µm long, 35-46 µm wide; dehiscence unitunicate (thin-walled).

Ascospores: c. 4 or c. 8 per ascus, spores 4-6 per ascus, ellipsoid, ovoid, or doliiform, (15)-18-20-(22) µm long, 8-12 µm wide; septa absent.

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