Plant Parasites of Europe

leafminers, galls and fungi

Peronospora esulae

Peronospora esulae Gäumann, 1919

on Euphorbia


Underside of the leaf with a greyish white to brown down of erect conidiophores that apically several times are branching, each branch ending upon an elliptic conidium, , 16-17 x 20-21 µm.

host plants

Euphorbiaceae, narrowly monophagous

Euphorbia esula.


See the note under P. cyparissiae.


Göker, García-Blázquez, Voglmayr ao (2009a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (5015a), Voglmayr (2003a).

Last modified 21.iv.2020