Taphrina athyrii Siemaszko, 1923

on Athyrium, Dryopteris

gall

up to 5 mm large, not thickened, yellow to brown spots on the leaf, bordered by a veinlet. At maturity a whitish bloom of asci develops at both sides.

hostplants

Dryopteridaceae, Woodsiaceae, narrowly polyphagous

Athyrium filix-femina; Dryopteris carthusiana, dilatata, filix-mas.

references

Brandenburger (1985a: 5), Buhr (1964b), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Mix (1949), Tomasi (2014a).