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on Carex

gall

uredinia hypophyllous, light brown, on yellow spots. Urediniospores with 3(4) equatorial pores, wall thickness 1-2µm. Telia blackish brown. Teliospores 2-celled, almost without constriction clavate, narrowing into the pedicel; wall smooth, apical part of top cell moderately thickened; pedicel hyaline, up to half as long as the spore.

uredinia, telia

Cyperaceae, narrowly monophagous

Carex digitata, ornithopoda.

synonyms

many authors consider ribesii-digitatae conspecific with, or at best a variety of, P caricina.

references

Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a), Kruse (2014a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a).