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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 rauwolfiae Varad. Type: Oidium rauwolfiae Varad.

Taxonomic Literature: Taxonomic notes: +hyphae creeping, hyaline, branched, 4.5-6 µm wide, forming a mat on the upper leaf surface; +haustoria lobed and irregular in shape;. Braun U., Beih. Nova Hedwigia 89: 1-700 [614] (1987).

Biogeography: Northern hemispheric. Continent: Northern America (USA, in a green house).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous. Host or Phorophyte Taxonomy: Rauwolfia serpentina; Rauwolfia, Apocynaceae.

Conidiophores: Pseudoidium-type; not branched (erect, simple, 2-3-septate). Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid or oblong-obtuse; macroconidial, not branched, 25.5-34.5 µm long, 13.5-19.5 µm wide; aseptate.

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