Peronospora speculariae Gäumann, 1919

on Legousia

gall

underside of the leaf with a greyish down of erect conidiophores that apically several times are dichotomously branching, each branch ending upon an ovoid conidium.

hostplants

Campanulaceae, monophagous

Legousia hybrida, speculum-veneris.

references

Brandenburger (1985a), Klenke & Scholler (2015a).

mod 25.viii.2017