Synchytrium taraxaci de Bary & Woronin, 1863
on Taraxacum

Taraxacum officinale, Amstelveen, Schinkelbos

detail; upperside of the leaf
Taraxacum officinale, Belgium, prov. Antwerp, Geel, Gemeentelijke visvijver, 15.vi.2018 © Carina Van Steenwinkel
horizontal section through a sorus
stronger magnification
vertical section through a sorus
release of sporangia
stronger magnification
sporangia

Taraxacum officinale, Flevoland, Reve-Abbertbos © Hans Jonkman: upperside of the disfigured tip of the leaf
gall
leaves with tiny warts, less than half a mm, golden yellow orange to blood-red, usually a large number together.
hostplants
Asteraceae, oligophagous
Centaurea jacea; Crepis alpestris, biennis, vesicaria subsp. taraxacifolia; Taraxacum officinale.
references
Buhr (1964b, 1965a), Dauphin & Aniotsbehere (1997a), Jage, Scholler & Klenke (2010a), Karling (1964a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Negrean (1996b), Redfern & Shirley (2011a), Roskam (2009a).