Taphrina vestergrenii Giesenhagen, 1901

on Dryopteris

gall

up to 5 mm large, often numerous, yellowish galls on the leaves. Surface with a layer of asci of 6-10 x 23-50 µm, on small stalk cells.

host plants

Dryopteridaceae, monophagous

Dryopteris affinis, borreri, carthusiana, filix-mas.

synonyms

Exoascus vestergrenii (Giesenhagen) Saccardo & Sydow, 1902.

references

Bacigálová, Mułenko & Wołczańska (2005a), Bataille (1936a), Brandenburger (1985a: 6), Buhr (1964b), Klenke & Scholler (2015a), Mix (1949a, 1956a), Redfern & Shirley (2011a), Tomasi (2014a).