Polystigma rubrum (Persoon) de Candolle, 1815
on Prunus
Prunus cerasifera, Hungary, Budapest-Hűvösvölgy © László Érsek
Prunus domestica, Hungary, Budapest© László Érsek
detail, upper side
same spots, underside
Prunus spinosa, Belgium, prov Namur, Nismes, RN les Abannets © Stéphane Claerebout
detail; the red dots are pycnidia.
bundle of hamate conidia
gall
orange stromata on thickened spots of living leaves.
hostplants
Rosaceae, monophagous
Prunus cerasifera, domestica & subsp. insititia, lusitanica, spinosa.
Only occasionally on insititia.
synonyms
Polystigmina rubra (Persoon) Saccardo, 1884.
references
Blumer (1946a), Brandenburger (1985a), Cannon (1996a), Ellis & Ellis (1997a), Ilie & Marinescu (2011a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Losa España (1942a), Ludwig (1974a), Negrean (1995a), Unamuno (1942a).