Erysiphe friesei (Léveillé) Braun & Takamatsu, 2000
on Rhamnus
gall
mycelium amphigenous, thin. Appressoria lobed, generally solitary. Conidia formed solitary, short-elliptic, without fibrosin bodies. Cleistothecia with 3-8 asci, that contain 3-5 spores. Appendage 5-12, equatorial, 1-2 x the diameter; they extend horizontally and straightly, are hyaline or brown at the base only, 0-1 septate. Apices 3-5 times dichotomously forked in quick succession.
host plants
Rhamnaceae, monophagous
Rhamnus cathartica, saxatilis.
synonyms
Microsphaera friesei Léveillé, 1851.
hyperparasites
references
Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Heluta, Hayova, Tykhonenko ao (2010a), Klenke & Scholler (1995a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Kruse, Thiel, Rätzel, ao (2020a), Leysen (2017a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a), Talgø, Sundheim, Gjærum, Herrero, Suthaparan, Topp & Stensvand (2010a).