Plant Parasites of Europe

leafminers, galls and fungi

Peronospora valesiaca

Peronospora valesiaca Gäumann, 1919

on Euphorbia


upper side of the leaf with pale spots. Underside with a greyish brown down of erect conidiophores that apically several times are dichotomously branching, each branch ending upon an almost globular conidium.


Euphorbiaceae, narrowly monofaag

Euphorbia seguieriana.


Brandenburger (1985a), Klenke & Scholler (2015a), Săvulescu (1948a).

Last modified 21.iv.2020