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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-08-01). Data set reviewer(s): Schubert K. (06-07-25); revised.

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

Type Information: Basionym: Oidium rosae-indicae Sawada. Type: Oidium rosae-indicae Sawada.

Taxonomic Literature: Taxonomic notes: +hyphae hyaline, branched, septate, 5-6 µm wide; +conidiophores foot-cells curved at the base, erect, followed by 1-2 shorter cells;. Braun U., Beih. Nova Hedwigia 89: 1-700 [615] (1987).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Rosa indica L.; Rosa, Rosaceae.

Conidiophores: Pseudoidium-type; not branched (arising from a side of the hyphae); basal cells 28-35 µm long, 9 µm wide. Conidium Formation: Conidiogenous cells single or in chains (occasionally 2 conidia). Conidia: Ellipsoid; macroconidial (with vacuoles and minute granules), not branched, 28-36.17-44 µm long, 16-19.45-23 µm wide; aseptate.

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