Plant Parasites of Europe

leafminers, galls and fungi

Erysiphe mayorii var. mayorii

Erysiphe mayorii var. mayorii Blumer, 1933

on Cirsium


mycelium amphigenous, also on the stems, mostly thin and colourless, consisting of long, hardly branching hyphae. Appressoria lobed, single or paired. Conidia solitary, oblong-elliptic, without fibrosin bodies. Cleistothecia with 6-30 asci, that contain 6-8 spores. Appendages numerous, sub-equatorial, mostly shorter than the diameter; they are mycelioid, septate, little and irregularly branched, eventually brown.

host plants

Asteraceae, monophagous

Cirsium arvense, erisithales, helenioides, heterophyllum, oleraceum, palustre, rivulare, vulgare.


Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (1995a), Kozłowska, Mułenko & Heluta (2015a), Leysen (2017a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a) .

Last modified 30.xi.2021