Erysiphe magnusii (Blumer) Braun & Takamatsu, 2000

on Lonicera

gall

Mycelium amphigenous, thin, effuse. Conidia only rarely formed; solitary, short-elliptic, without fibrosin bodies. Cleistothecia with 2-6 asci, that contain 4-5 spores. Appendage 5-15, equatorial, 2-10 x the diameter; they are long and flaccid, hyaline or brown at the base only, 0-2 septate. Apices 2-5 times irregularly-dichotomously forked while the first branches are relatively long; the very tips recurved.

host plants

Caprifoliaceae, monophagous

Lonicera alpigena, caerulea & subsp. pallasii, nigra, xylosteum.

References to Erysiphe friesei.

synonyms

Microsphaera magnusii Blumer, 1933.

references

Blumer (1946a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (1995a), Leysen (2017a).