Plant Parasites of Europe

leafminers, galls and fungi

Peronospora arenariae

Peronospora arenariae (Berkeley) Tulasne, 1954

on Moehringia

Peronospora arenariae on Moehringia trinervia

Moehringia trinervia, Belgium, prov. Limburg, Heusden-Zolder © Carina Van Steenwinkel

Peronospora arenariae on Moehringia trinervia


Peronospora arenariae: down

hypophyllous down

Peronospora arenariae: conodiophore

conidiophre and stomata

Peronospora arenariae: conidiophore


Peronospora arenariae: conidia



development of the plant systemically disturbed; upperside of the leaf with yellow spots. Underside there with a greyish purple down of 0.4 mm high erect conidiophores that apically several times are dichotomously branching, each branch bearing an ovoid conidium.

host plants

Caryophyllaceae, monophagous

Moehringia ciliata, trinervia.


Belbahri, Calmin, Pawlowski & Lefort (2005a), Blumer (1946a), Brandenburger (1985a: 101), Buhr (1964b), Doppelbaur, Huber & Poelt (1965a), García-Blázquez, Constantinescu, Tellería & Martín (2007a), Göker, García-Blázquez, Voglmayr ao (2009a), Gustavsson (1959a, 1991a), Hafellner (1980a), Jage, Klenke, Kruse ao (2017a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2019a), Müller & Kokeš (2008a), Negrean (1996b), Săvulescu (1948a), Scheuer & Bechter (2012a), Thines, Telle, Ploch & Runge (2009b), Voglmayr (2003a).

Last modified 21.iv.2020