Peronospora melampyri (Buchholz) Davis, 1932
on Melampyrum
gall
at the underside of the leaves develops an off-grey fungal down consisting of erect conidiophores that apically several times are dichotomously branching, each branch acutely ending upon an ovoid conidium without an apical papilla.
hostplants
Orobanchaceae, monophagous
Melampyrum cristatum, pratense, sylvaticum.
synonyms
Peronospora melampyri-cristati Săvulescu & Rayss, 1930.
references
Brandenburger (1985a: 568), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).