Taphrina wiesneri (Ráthay) Mix, 1954
on Prunus

Prunus avium, Assen, waterwingebied © Ben van As

underside

asci
Prunus avium, Belgium, prov. Namur, Couvin, Cul-des-Sarts, 19.v.2018 © Sébastien Carbonelle: later stage
detail
gall
upperside of the leaves with hollow blisters that may be reddish brown above; their underside bears a layer of microscopical asci that, when fully developed, may give the surface a mealy aspect. Also many-years old witches’ brooms may be formed.
host plants
Rosaceae, monophagous
Prunus avium, cerasus, fruticosa, padus.
synonyms
Exoascus cerasi Fuckel, 1870; E. gilgii (Hennings & Lindau) Saccardo, 1895; ; E. minor Sadebeck, 1890; Taphrina cerasi (Fuckel) Sadebeck, 1890.
references
Bataille (1936a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Dietrich (2013a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Petrýdesová, Kučera, Bacigálová, ao (2016a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2012a, 2014a).