Taphrina crataegi Sadebeck, 1890
on Crataegus

Crataegus nigra, Hungary, Budapest, Hűvösvölgy, 20.iv.2018 © László Érsek

another specimen

same leaf, underside
Crataegus monogyna, Millingerwaard
gall
in May-Jue the infected leaves are whitish at both sides because they are covered by a layer of asci; later the leaves wither off.
host plants
Rosaceae, monophagous
Crataegus laevigata, monogyna, nigra, sanguinea.
synonyms
Exoascus crataegi (Sadebeck) Saccardo, 1892; Taphrina marginata Lambotte & Fautrey 1895.
references
Bataille (1936a), Bellmann (2012a), Brandenburger (1985a: 250), Buhr (1964b), Dietrich (2013a), Ellis & Ellis (1997a: 114), Klenke & Scholler (2015a), Kuz’michev, Sokolova & Kulikova (2001a), Redfern & Shirley (2011a), Sadebeck (1890a), Tomasi (2014a).
Last modified 13.vii.2025