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