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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 leptadeniae Prasad & Tyagi. Type: Oidium leptadeniae Prasad & Tyagi.

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous (white patches, later covering the entire leaf surface). Host or Phorophyte Taxonomy: Leptadenia reticulata (Retz.) Wight & Arn.; Leptadenia, Asclepiadaceae.

Conidiophores: Pseudoidium-type (conidia are described to be in chains but a Pseudoidium is depicted); not branched (erect, cylindric, 33.6-117 x 3.6-11 µm, 3-5-septate, conidiophores composed of some longer cells). Conidium Formation: Conidiogenous cells single. Conidia: Cylindrical (oblong); macroconidial, not branched, 22-33.6 µm long, 11-18 µm wide; aseptate; cell wall hyaline.

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