Aecidium petasitidis Sydow, 1901

on Petasites

parasite

A considerable number of rusts of the genus Puccinia that have their uredinia and telia on grasses make aecia on butterbur. Aecia cannot be identified on the base of external characters. Therefore they are collective addressed as Aecidium petasitidis.

host plants

Asteraceae, monophagous

Petasites albus, hybridus, paradoxus.

notes

check here about the the genus Aecidium.

references

Blumer (1946a), Buhr (1965a), Gäumann (1959a), Pellicier (2001a), Roskam (2019a), Tomasi (2014a).