Bremia picridis Ito & Tokunaga, 1935

on Helminthoteca, Picris

gall

thin whitish hypophyllous fungal down at the underside of the leaf, consisting of erect, apically multiply branched conidiophores. Each ultimate branch ends in a swelling with four short stalks, each one bearing an ovoid conidium. Infected plants may be strongly disfigured

hostplants

Asteraceae, monophagous

Helminthotheca echioides; Picris hieracioides.

synonyms

Bremia picridis-hieracioidis Savinceva, 1974.

references

Brandenburger (1985a: 690), Choi & Thines (2015a), Klenke & Scholler (2015a).