Puccinia albigensis Mayor, 1957

on Avena

gall

No host alternation known, only uredinia and telia. Uredinia yellowish brown, long covered by the epidermis, with many hyaline, flexible, up to 60 µm long paraphyses; spores 14-18 x 21-28 µm, with 2-3 equatorial germination pores, not capped by a papilla. Telia black, on the leaf sheaths, long covered by the epidermis; spores 2-celled, clavate, 14-21 x 33-47; pedicel yellow to brown, deciduous, up t0 35 µm.

hostplants

Poaceae, narrowly monophagous

Avena fatua.

synonyms

often considered conspecific with P. graminis..

references

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

15/12/2016

mod 15.vii.2017