Ramularia purpurascens Winter, 1884

on Petasites

parasite

Leaf spots with caespituli. Conidia in chains, 2-5 x 8-25 µm, 0-1-septate.

host plants

Asteraceae, monophagous

Petasites pyrenaicus.

references

Brandenburger (1985a: 648), Braun (1998a), Chater, Woods, Stringer, ao (2021a), Unamuno (1943a).