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).

mod 1.ix.2018