Erysiphe rayssiae (Mayor) Braun & Takamatsu, 2000
mycelium amphigenous, alson on the stems. Appressoria ± lobed. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 3-10 asci that contain 3-5 spores. Generally 5-20 appendages, attached to the equator, 2-8 x the diameter. They are mycelioid, thin, flexuous, sometimes basally brown, aseptate; apices partly simple, partly several times irregularly forked.
Microsphaera rayssiae Mayor, 1961.
Braun (1995a), Braun & Cook (2012a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Negrean & Anastasiu (2006a).