Peronospora dianthi de Bary, 1863
on Petrorhagia, Vaccaria
leaves with pale spots. Underside with a brownish-violet down, consisting of 0.5 mm high erect conidiophores that apically several times are dichotomously branching, each terminal branch ending in a conidium.
Caryophyllaceae, narrowly oligophagous
Not on Dianthus.
Brandenburger (1985a: 110), Gustavsson (1991a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a).