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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. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Oidium erysiphoides var. stapeliae Picb. Type: Oidium erysiphoides var. stapeliae Picb.

Taxonomic Literature: Taxonomic notes: +conidia germ tubes more or less terminal, 1-2 times as long as the conidia, simple, narrow, appressoria absent;. Braun U., Beih. Nova Hedwigia 89: 1-700 [616] (1987).

Biogeography: Northern hemispheric. Continent: Europe. Country or state(s): former Czechoslovakia (incl. Czech Republic & Slovacia) and Germany.

Ecology: Biotroph; phytopathogenic; growing on leaves. Host or Phorophyte Taxonomy: Stapelia variegata L.; Stapelia, Asclepiadaceae.

Conidiophores: Euoidium-type; not branched. Conidium Formation: Conidiogenous cells in chains. Conidia: Doliiform or cylindrical; macroconidial, not branched, 23-31 µm long, 11-13.5 µm wide; aseptate; with distintly visible fibrosin body fibrosin bodies.

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