Milesina magnusiana Jaap, 1915

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 weather.

host plants

Aspleniaceae, narrowly monophagous

Asplenium adiantum-nigrum.

synonyms

Milesia magnusiana (Jaap) Faull, 1932.

references

Brandenburger (1985a: 4), Bubner, Buchheit, Friedrich ao (2019a), Eichhorn (1941a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a).