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Neoerysiphe geranii (Y. Nomura) U. Braun

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: Erysiphe geranii Y. Nomura. Type: Erysiphe geranii Y. Nomura.

Taxonomic Literature: Taxonomic notes: + cleistothecia: cellulae peridii irregulariter angulatae, 12,5-22,5 × 10-20 µm. Nomura Y., Taxonomical study of Erysiphaceae of Japan. - 1-281 [217-219]. Tokyo (1997).

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

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Geranium yezoense Franch. & Sav. var. yezoense & var. nipponicum Nakai; Geranium, Geraniaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid (atro-brunnea), orbicular (globosa vel spheroidea), scattered or in loose groups, .095-.145 mm in diam.. Margin: External filaments present; mycelioid, straight (apicem versus angustatae, prope basim leviter dilatatae), 150-500 µm long, 2.5-8.5 µm in diameter, hyaline or pigmented (basim versus sub-brunneae), numerous, 20-50 per mm², growing at the ascocarp base, thin, not ramified or ramified, irregular (1-2 times), aseptate or septate (0-8-septatae).

Asci: (6)-8-18 asci per ascocarp, indistinctly stipitate, 45-68 µm long, 17-30 µm wide; dehiscence unitunicate (ascosporae non-maturae in foliis vivis in annum).

Conidiomata: Absent resp. not observed.

(report generated 04.Okt.2007)

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