Peronospora potentillae de Bary, 1863

on Potentilla

gall

leaves with yellow, eventually brown, spots. Their underside with a greyish-violet down, consisting of erect conidiophores that apically several times are dichotomously branching, each branch ending in an oval conidium.

hostplants

Rosaceae, narrowly monophagous

Potentilla argentea, aurea, grandiflora, indica, norvegica.

references

Brandenburger (1985a), Choi, Constantinescu & Shin (2007a), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1959a), Jage, Klenke, Kruse ao (2017a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Voglmayr (2003a).

mod 1.ix.2018