Plant Parasites of Europe

leafminers, galls and fungi

Peronospora amaranthi

Peronospora amaranthi Gäumann, 1923

on Ranunculus


underside of the leaves with a greyish violet down of erect conidiophores that apically several times are branching, each branch ending upon a conidium.

host plants

Amaranthaceae, monophagous

Amaranthus blitum.


the Index Fungorum (2016) considers P. amaranti one of the many synonyms of P. farinosa.


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

Last modified 5.x.2022