Peronospora obionis-verruciferae Săvulescu & Rayss 1935
reddish spots on the leaves and young stems. On both sides of the leaves, or only on the underside a greyish purple fungal down consisting of vertical conidiophores that apically several times are dichotomously branching, each branch ending upon a conidium of 13-30 x 14-35 µm.
Amaranthaceae, narrowly monophagous
Brandenburger (1985a: 121), Săvulescu (1948a).