Plasmopara solidaginis Novotelnova, 1962

on Solidago

gall

at the underside of the leaves a dense white fungal down of erect conidiophores that apically bear a few short branches, without notable thickening, each one ending upon a conidium.

hostplants

Asteraceae, narrowly monophagous

Solidago virgaurea.

references

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