Taphrina epiphylla (Sadebeck) Saccardo, 1889

on Alnus

gall

witches’ brooms. The fungus forms its asci mostly at the underside of the leaves, that turn yellow and soon drop.

host plants

Betulaceae, narrowly monophagous

Alnus incana.

Very rarely also A. glutinosa, glutinosa x incana.

synonyms

Taphrina borealis Johanson, 1886.

references

Bacigálová, Lopandic, Rodrigues ao (2003a), Bacigálová, Mułenko & Wołczańska (2005a), Bataille (1936a), Brandenburger (1985a: 49), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Mix (1949a, 1956a), Tomasi (2014a).