Puccinia rubefaciens Johanson, 1886

on Galium

gall

No host plant alternation; only blackish brown or black telia. Spores two-celled, 14-22 x 30-53 µm, apically srongly thickened and darkly coloured, on a hyaline persistent, up to 30 µm long pedicel.

hostplants

Rubiaceae, narrowly monophagous

Galium boreale.

synonyms

Puccinia pallidefaciens, Johanson, 1886.

references

Brandenburger (1985a), Buhr (19654b), Gäumann (1959a), Klenke & Scholler (2015a).

mod 7.viii.2018