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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. (06-02-28); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Uncinula buckleyae Y. Nomura & Tanda; Erysiphaceae Tul. & C. Tul.; Erysiphales.

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

Taxonomic Literature: Taxonomic notes: +conidiophores foot-cells curved below, abruptly attenuated at the base;+ascocarp outer wall cells irregularly polygonal, ca. 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [456-458] (1987).

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

Ecology: Biotroph; phytopathogenic; growing on leaves. Host or Phorophyte Taxonomy: Buckleya lanceolata Miq.; Buckleya, Santalaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, (.1)-.12-.15 mm in diam.. Margin: External filaments present (ca. 80-230 µm long); uncinate (occasionally, loose to close) or circinate, 1-2 µm long, hyaline, numerous, 10-30 per mm², flexuose (often undulate-tortuose, sometimes geniculate or widely curved, outline often very irregular) or sometimes geniculate (bent), thin or thick (sometimes towards the base), not ramified or ramified (partly), not branched (1-2 times irregularly or with short outgrowths) or irregular, septate (1-2-septate).

Asci: 5-8 asci per ascocarp, indistinctly stipitate (shortly stalked), 50-65 µm long, 30-45 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 6-8 per ascus, ellipsoid or ovoid, 18-24 µm long, 8-12 µm wide; septa absent.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid or ovoid; macroconidial, not branched, 26-37 µm long, 12-16 µm wide; aseptate.

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