Plant Parasites of Europe

leafminers, galls and fungi

Perisporium alneum

Perisporium alneum Fries, 1829

on Alnus

parasite

Leaf spots with perithecia, that often bear some dark brown bristles at the mouth rim; asci 11-15 X 35-60 µm, sporen 5-6 x 11-17 µm.

host plants

Betulaceae, monophagous

Alnus.

synonyms

Venturia alnea (Fries) Müller, 1958.

references

Brandenburger (1985a: 50).

Last modified 20.viii.2022