Paraperonospora sulphurea (Gäumann) Constantinescu, 1989
on Asteraceae, Anthemideae
gall
upper side with yellow spots; underside with a whitish to light sulphur yellow fungal down. It consists of erect, tree-like branching conidiophores.
hostplants
Asteraceae, monofaag
Artemisia absinthium, annua, campestris, dracunculus, ludiviciana, serrata, suksdorfii, vulgaris.
Constanstinescu (1989a) additionally mentions Helichrysum orientale, Xerochrysum bracteatum en Tanacetum corymbosum, but this is not repeated by Klenke & Scholler.
synonyms
Peronospora sulphurea Gäumann, 1923; Plasmopara sulphurea (Gäumann) Skalický, 1966.
references
Brandenburger (1985a: 632), Constanstinescu (1989a, 1996a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Negrean, Constantinescu & Denchev (2004a), Săvulescu (1948a).