Peronospora linariae Fuckel, 1870
on Linaria, Microrrhinum
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 17-23 x 20-30 µm.
host plants
Plantaginaceae, narrowly oligophagous
Cymbalaria muralis; Linaria arvensis, repens; Microrrhinum minus; Parentucellia viscosa.
references
Brandenburger (1985a: 567), Buhr (1964b), Chater, Woods, Stringer, ao (2020a), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Gustavsson (1991a), Jage, Klenke, Kruse ao (2017a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Losa España (1944a), Müller & Kokeš (2008a).