Milesina neoexigua Berndt, 2008

on Polystichum

gall

uredinia hypophyllous, pustulate, subepidermal; the discoloured epidermis eventually ruptures, creating a central pore; urediniospores club-like, finely practically smooth, on a short stalk. Telia hypophyllous on brown zones on overwintered fronds; teliospores intracellar in epidermis cells, consisting of 1-30 cells.

host plants

Dryopteridaceae, narrowly monophagous

Polystichum aculetum, braunii.

synonyms

Milesia exigua Faull, 1932: Poelt.

references

Brandenburger (1985a: 8), Bubner, Buchheit, Friedrich ao (2019a), Klenke & Scholler (2015a), Poelt (1984a), Poelt & Zwetko (1997a).