Peronospora potentillae-anserinae Gäumann, 1923
on Potentilla
gall
upper side of the leaves with angular, elongated, yellowish or brownish spots. Underside with a slight greyish white fungal down, consisting of erect, distally several times dichotomously branched conidiophores, each one ending upon a ± globular conidium.
host plants
Rosaceae, narrowly monophagous
Argentina anserina.
references
Brandenburger (1985a: 234), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kruse, Thiel, Brodtbeck ao (2017a), Săvulescu (1948a).