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).