Milesia magnusiana (Jaap) Faull, 1932

on Adiantum

gall

only the uredinia are known. They are green, hypophyllous, pustulate, covered by the epidermis, releasing the spores through a central pore. Spores clublike, remotely echinulate. The uredinia ripen in late autumn and winter, releasing a white mass of spores, especially in damp weahter.

hostplants

Aspleniaceae, narrowly monophagous

Asplenium adiantum-nigrum.

references

Brandenburger (1985a: 4), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).

mod 15.viii.2018