Peronospora tranzscheliana Bakhtin, 1925

on Melampyrum

gall

on brown spots of the corolla grows a greyish purple fungal down consisting of erect conidiophores that apically several times are dichotomously branching, each branch ending upon an elliptic conidium.

hostplants

Orobanchaceae, monophagous

Melampyrum pratense, sylvaticum.

references

Brandenburger (1985a), Göker, García-Blázquez, Voglmayr ao (2009a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Voglmayr (2003a).