New species, new records and first sequence data of powdery mildews (Erysiphaceae) from Europe with special emphasis on Switzerland

Affiliation
7, ch. de Bonmont, Switzerland
Bolay, Adrien;
Affiliation
Conservatoire et Jardin botaniques de la Ville de Genève, Switzerland
Clerc, Philippe;
Affiliation
Martin-Luther-Universität, Institut für Biologie Bereich Geobotanik und Botanischer Garten Herbarium, Deutschland
Braun, Uwe;
GND
1182046916
Affiliation
Julius Kühn-Institute (JKI), Institute for Plant Protection in Horticulture and Forests, Germany
Götz, Monika;
Affiliation
Mie University, Graduate School of Bioresources, Japan
Takamatsu, Susumu

New records of powdery mildews (Erysiphaceae) from Switzerland and adjacent countries are listed and annotated, including first records of multiple host plants worldwide. The collections concerned are described, illustrated, discussed, and some identifications have been confirmed by results of sequencing (ITS + 28S rDNA). The new species, Erysiphe abeliana (on Abelia ×grandiflora) and Phyllactinia cruchetii (on Passiflora coerulea), are described. Some previous records of powdery mildews from Switzerland based only on morphology have been confirmed by sequence data. Type specimens of Erysiphe chifengensis and E. potentillae have been sequenced, and new sequences have been generated from collections of E. malvae and E. punicae. Microsphaera abeliae ( Erysiphe abeliicola) is epitypified with an ex-epitype sequence.

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