Peronospora cephalariae-laevigatae Săvulescu & Rayss, 1938

on Cephalaria

gall

underside of the leaves with a brownish purple down of erect conidiophores that apically several times are branching, each branch ending in a conidium of 12-31 x 18-45 µm.

hostplants

Caprifoliaceae, narrowly monophagous

Cephalaria laevigata.

references

Brandenburger (1985a: 597), Săvulescu (1948a).

mod 26.viii.2017