Peronospora euphorbiae Fuckel, 1919

on Euphorbia

gall

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

hostplants

Euphorbiaceae, narrowly monofaag

Euphorbia dulcis, esula subsp. tommasiniana, helioscopia, maculata, peplus, platyphyllos, stricta.

references

Brandenburger (1985a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Müller & Kokeš (2008a), Săvulescu (1948a).

mod 1.ix.2018