Plant Parasites of Europe

leafminers, galls and fungi

Botryotinia calthae

Botryotinia calthae Hennebert & Elliott, 1963

on Caltha


From black, irregular sclerotia of the foot of the stem rise pale brown, stalked, 3 mm large caliciform apothecia. Asci 8-11 x 120-160 µm, 8 spores, 5-9 x 12-17 µm.

host plants

Ranunculaceae, monophagous

Caltha palustris.


Teleomorph of Botrytis calthae.


Brandenburger (1985a: 140), Hennebert & Groves (1963a).

Last modified 10.ix.2022