Peronospora alchemillae Otth, 1969

on Alchemilla

gall

The upperside of the leaf is locally discoloured pale green to yellowish, and somewhat indented upwards; at the underside a fungal bloom, consisting of erect conidiophores that apically several times are dichotomously branching, each branch ending in a conidium
.

hostplants

Rosaceae, monophagous

Alchemilla alpina, chirophylla, conjuncta, fissa, glabra, mollis, monticola, nitida, pallens, subcrenata, xanthochlora, vulgaris.

references

Brandenburger (1985a), Buhr (1964b), Doppelbaur & Doppelbaur (1973a), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Jage, Klenke, Kruse ao (2017a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2014a), Müller (2015a), Müller & Kokeš (2008a), Negrean (1995a), Sävulescu (1948a), Voglmayr (2003a).

mod 31.viii.2018