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on Trisetum

gall

uredinia small, orange yellow, mainly epiphyllous, long covered by the epidermis, without paraphyses; urediniospores short-elliptic, 16-19 x 15-22 µm, with 3-5 difficult visible germination pores. Telia, blackish brown, long covered by the epidermis, divided into compartments by rows of pale brown paraphyses; teliospores one-celled, 14-19 x 21-31 µm; pedicel flaccid, length very variable within a telium.

uredinia, telia

Poaceae, monophagous

Trisetum distichophyllum, flavescens.

synonyms

often considered conspecific with U. dactylidis.

references

Blumer (1946a), Brandenburger (1985a: 819), Buhr (1965a), Gäumann (1959a), Gjaerum & Dennis (1976a), González-Fragoso (1925a), Hrabětová, Kolařík & Marková (2015a), Klenke & Scholler (2015a), Kruse (2014a), Maier, Wingfield, Mennicken & Wingfield (2007a), Scheuer & Bechter (2012a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Zwetko & Blanz (2012a).