Lunaria annua, Belgium, prov. Antwerp, Meerhout © Carina Van Steenwinkel – along with Albugo candida

conidia and conidiophores (coloured with congo red)

gall

leaf upperside with angular yellow to brown spots, underside with a greyish cover of erect, up to 0.6 mm high conidiophores that distally are several times rectangularly branched. At each tip an oval sporangangium.

host plants

Brassicaceae, monophagous

Lunaria annua & subsp. pachyrrhiza, rediviva.

synonyms

Peronospora lunariae Gäumann, 1918.

references

Brandenburger (1985a: 201), Buhr (1964b), Constantinescu & Fatehi (2002a), Doppelbaur, Huber & Poelt (1965a), Göker, Voglmayr, Riethmüller ao (2003a), Hafellner (1980a), Jage, Klenke, Kruse ao (2017a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kruse (2019a), Ludwig (1974a), Müller & Kokeš (2008a), Mułenko, Kozłowska, Bacigálová ao (2014a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b), Roskam (2009a), Săvulescu (1948a), Schmid-Heckel (1985a), Voglmayr (2003a).