Synchytrium taraxaci de Bary & Woronin, 1863

on Taraxacum

Synchytrium taraxaci gall

Taraxacum officinale, Amstelveen, Schinkelbos

Synchytrium taraxaci gall

detail; upperside of the leaf

Synchytrium taraxaci on Taraxacum officinale

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. They consist of a single infected cell, surrounded by a few layers of un-infected, but swollen and discoloured cells.

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), Negrean (1996b), Redfern & Shirley (2011a), Roskam (2009a).

20/10/2016

pub 19.iii.2017 · mod 5.viii.2017