Plant Parasites of Europe

leafminers, galls and fungi

Peronospora valerianae

Peronospora valerianae Trail, 1889

on Valeriana


leaves with pale spots. Underside with a greyish-violet down, consisting of erect conidiophores that apically several times are dichotomously branching, each terminal branch ending upon an ovoid conidium.

host plants

Caprifoliaceae, monophagous

Valeriana dioica, officinalis, tripteris.


Brandenburger (1985a), Chater, Woods, Stringer, ao (2020a), Doppelbaur & Doppelbaur (1974a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse, Thiel, Braun, ao (2018e), Săvulescu (1948a).

Last modified 13.x.2021