Peronospora gentianae Rostrup, 1883

on Gentianella

gall

upperside of the leaves with pale, slightly embossed patches; at the underside a greyish fungal bloom, consisting of erect, distally strongly branched conidiophores. The conidia are elliptic.

host plants

Gentianaceae, monofaag

Gentianella amarella, campestris.

references

Brandenburger (1985a: 494), Klenke & Scholler (2015a).