Melampsora vernalis Niessl, 1881

on Saxifraga

Melampsora vernalis: telia

Saxifraga granulata, from González-Fragoso (1925a): telium, horizontal and vertical section

gall

No host alternation. Spermogonia yellow, hypophyllous. Aecia yellow, hypophyllous, inconspicuous, pulverulent, without a peridium. Telia hypophyllous, smalll dark brown crusts, subepidermal; they are formed only late in autumn on the older leaves.

hostplants

Saxifragacae, narrowly monophagous

Saxifraga granulata.

references

Brandenburger (1985a: 216), Buhr (1965a), Ellis & Ellis (1976a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Wilson & Henderson (1966a).

mod 15.viii.2018