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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (03-01-22). Data set not revised.

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

Taxonomic Literature: Taxonomic notes: +appressoria indistinct;
+conidiophores foot-cells cylindric, followed by (1-)2(-3) shorter cells;
+conidia catenate;. Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Asia-Temperate, Australasia, Europe, and Northern America (USA). Region(s): New Zealand. Country or state(s): Finland, Germany, Switzerland (incl. Liechtenstein), France (excl. Corsica), Portugal, Belarus, Baltic States (Estonia, Lithuania, Latvia), and Ukraine; Japan.

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Gesneriaceae.

Conidiophores: Basal cells 30-60 µm long, 10-13 µm wide. Conidia: Ellipsoid, ovoid, or doliiform; 25-38-(42) µm long, (10)-13-20-(22) µm wide; with distintly visible fibrosin body fibrosin bodies.

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