Peronospora pulmonariae Gäumann, 1919

on Pulmonaria

gall

underside of the leaves with a greyish white fungal down of erect conidiophores that apically several times are branching dichotomously, each terminal branch ending upon a hyaline, ± globular conidium.

hostplants

Boraginaceae, nauw monophagous

Pulmonaria angustifolia, officinalis.

references

Brandenburger (1985a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a).

mod 1.ix.2018