Peronospora phyteumatis Fuckel, 1865

on Phyteuma

gall

upper side of the leaves with tellow spots. Underside with a brownish grey to greyish purple fungal down consisting of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.

hostplants

Campanulaceae, monophagous

Phyteuma betonicifolium, nigrum, orbiculare, ovatum, spicatum, vagneri.

references

Blumer (1946a), Brandenburger (1985a), Doppelbaur, Huber & Poelt (1965a), Jage, Klenke, Kruse ao (2017a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Negrean (1996a).

mod 1.ix.2018