Protomyces pachydermus von Thümen, 1874

on Taraxaxum

Protomyces pachydermus: gall on Taraxacum officinale

Taraxacum officinale © Roelof Jan Koops

gall

Diffuse, spindle-shaped swellings of the midrib, sometimes also the pedicel. The gall is somewhat vitreous, shiny, yellowish green at first, later often purplish. Fungus spores are formed in and around the vascular tissue.

hostplants

Asteraceae, monophagous

Taraxacum officinale.

synonyms

see also Protomyces picridis

references

Bacigálová (2004a), Bacigálová, Mułenko & Wołczańska (2005a, 2008a), Blumer (1946a), Brandenburger (1985a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Koops (2013a), Reddy & Kramer (1975a), Redfern & Shirley (2011a), Roskam (2009a)

25/05/2017

mod 19.xi.2017