Peronospora potentillae-reptantis Gäumann, 1923
on Potentilla
gall
leaves with irregular violet spots. Their underside with a greyish-white down, consisting of erect conidiophores that apically several times are dichotomously branching, each branch ending upon a ± globular conidium.
host plants
Rosaceae, narrowly monophagous
Potentilla anglica, chrysantha, haynalidana, reptans, supina.
references
Brandenburger (1985a: 234), Chater, Woods, Stringer, ao (2020a), Doppelbaur, Huber & Poelt (1965a), Gustavsson (1959a), Jage, Klenke, Kruse ao (2017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a), Müller & Kokeš (2008a), Săvulescu (1948a).