Plasmoverna hellebori (Săvulescu & Rayss) Constantinescu, Voglmayr, Fatehi & Thines, 2005

on Helleborus

gall

leaves with discoloured, angular spots; at the underside a white fungal down of erect, in their upper section repeatedly branched conidiophores, each terminal branch ending upon a globular conidium.

hostplants

Ranunculaceae, monophagous

Helleborus niger.

notes

contrary to Peronospora pulveracea, also occurring on Helleborus, the plant is not disfigured.

references

Klenke & Scholler (2015a).

mod 30.viii.2017