Peronospora flava Gäumann, 1923
on Linaria

Linaria vulgaris, Belgium, prov. Antwerp, Mol © Carina Van Steenwinkel

down

conidiophore

conidia
gall
upperside of the leaves with paled, slightly embossed patches; at the underside a greyish purple fungal down, consisting of erect, distally repeatedly, dichotomously branching conidiophores. The conidia measure 15-24 x 27-43 µm.
host plants
Plantaginaceae, monophagous
Linaria ? repens, vulgaris.
references
Belbahri, Calmin, Pawlowski & Lefort (2005a), Brandenburger (1985a), Chater, Woods, Stringer, ao (2020a), Doppelbaur, Huber & Poelt (1965a), Göker, García-Blázquez, Voglmayr ao (2009a), Jage, Klenke, Kruse ao (2016a, 2017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Müller (2015a), Müller & Kokeš (2008a), Săvulescu (1948a), Voglmayr (2003a).