Peronospora aquatica Gäumann, 1918

on Veronica

gall

leaves pale, may be disfigured. Underside with a light greyish-violet down, consisting of 0.7 mm high erect conidiophores that apically several times are dichotomously branching, each terminal branch ending in a conidium.

hostplants

Plantaginaceae, narrowly monophagous

Veronica anagallis-aquatica, catenata.

references

Brandenburger (1985a), Buhr (1965a), Doppelbaur & Doppelbaur (1974a), Göker, Voglmayr, Riethmüller ao (2003a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller & Kokeš (2008a), Săvulescu (1948a), Tomasi (2014a).

mod 31.viii.2018