Quercus rubra, Belgium, prov. Limburg, Beverlo, Vallei van de Grote Beek © Carina Van Steenwinkel: a normal, full ascus, and one with parasite hyphae

the conidia are short elliptic to cylindric, 1-3 celled

gall

obligate parasite of Taphrina caerulescens.

hostplants

Fagaceae, monophagous

Quercus.

mainly Quercus rubra

references

Bensch, Braun, Groenewald & Crous (2012a), Heuchert, Braun & Schubert (2005a), Klene & Scholler (2015a).