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), Sadebeck (1890a), Tomasi (2014a).