Taphrina polystichi Mix, 1938

on Polystichum

gall

up to a cm large, yellow to yellowish brown thickened leaf spots. Exteriorly a layer of stalked, 8-spored asci.

hostplants

Dryopteridaceae, monophagous

Polystichum setiferum.

references

Klenke & Scholler (2015a), Mix (1949a, 1956a).

12/10/2015

mod 2.iii.2019