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Erysiphe golovinii (Domashova) U. Braun & S. Takam.

Data Set Maintenance: Data set compiled and standard item; reviewer(s): Schubert K. (06-03-23); revised.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Microsphaera golovinii (Domashova) U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Trichocladia golovinii Domashova. Type: Trichocladia golovinii Domashova.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells obscure, irregularly polygonal, ca. 15 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [312-313] (1987).

Biogeography: Continent: Asia-Temperate (Central Asia). Country or state(s): Kyrgyzstan.

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Berberis sp.; Berberis, Berberidaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or gregarious, .078-.195 mm in diam.. Margin: External filaments present (up to 957 µm long, more or less radiately spread); slightly recurved or straight, up to 957 µm long, 9 µm in diameter, hyaline or pigmented (brown at the base), numerous, 10-20 per mm², growing between the lower and upper hald of the ascocarp or on the upper half of the ascocarp, flexuose, not ramified or ramified (partly), dichotomously branched (1-3 times, primary branches long, tips straight or slightly recurved).

Asci: Clavate (ellipsoid-ovoid, numerous, long), indistinctly stipitate, 57-84 µm long, 30-42 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores 3-4-(6) per ascus, ellipsoid, 18-27 µm long, 9.5-12 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Cylindrical; macroconidial, not branched, 24-36 µm long, 9.5-12 µm wide; aseptate.

(report generated 04.Okt.2007)

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