Uromyces airae-flexuosae Ferdinandsen & Winge, 1920

on Deschampsia

gall

No host plant alternation; no spermogonia or aecia. Uredinia mostly epiphyllous, orange yellow, on brightly discoloured spots; spores finely spinulose, with 6-8 dispersed, well visible spores. Telia uncommon, amphigenous, on withering leaves, dark brown. Teliospores one-celled, yellowish brown, smooth, pedicel persistent, about as long as the spore.

hostplants

Poaceae, narrowly oligophagous

Aristavena setacea; Avenella flexuosa; Deschampsia cespitosa.

references

Brandenburger (1985a), Doppelbaur (1973a), Ellis & Ellis (1997a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a, 2004a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

20/04/2017

mod 22.xi.2017