Taphrina populina Fries, 1832
on Populus
Populus cf. x canadensis, Belgium, prov. Limburg, Lummen, Laren © Carina Van Steenwinkel
same leaf, underside
a fragment of the epidermis, with asci
three asci, one already emptied
ascus
Populus nigra, Hungary, Mosonmagyaróvár © László Érsek; pictures taken early May
same leaf, underside
another specimen
same leaf, underside
Populus nigra cv. ‘Italica’, Belgium, Liège, Confluence Meuse-Ourthe; det. Arthur Vanderweyen © Jean-Yves Baugnée
underside
gall
Usually, the concave side is below. Here one finds a layer of orange-coloured erect asci.
host plants
Salicaceae, monophagous
Populus alba, x canadensis, x canescens, carolinensis, nigra, tremula, trichocarpa.
synonyms
Taphrina aurea (Persoon) Fries, 1815; Ascomyces aureus (Persoon) Magnus 1875; Exoascus flavoaureus Cocconi, 1894.
references
Abras, Fassotte, Chandelier & Cavelier (2008a), Bacigálová, Mułenko & Wołczańska (2005a), Bataille (1936a), Bellmann (2012a), Blumer (1946a), Brandenburger (1985a: 37), Buhr (1965a), Chinery (2011a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Ecott (2012a), Ellis & Ellis (1997a), Ilie & Marinescu (2011a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Kummer (2012a), Lehmann & Flügel (2012a), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez ao (2010a), Mix (956a), Moret i Benaset & Nadal i Puigdefabregas (1984a), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a), Unamuno (1941a).