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on Salix

gall

most uredinia hypophyllous, yellow, less than a quarter of a mm; ± clavate paraphyses mainly at the margins of the sori. Telia hypophyllous, subcuticular, dark brown pulvinate. Teliospores 30-50 x 6-12 µm, cylindrical, thin-walled.

uredinia, telia

Salicaceae, narrowly monophagous

Salix lapponum.

references

Brandenburger (1985a: 44, 392), Buhr (1965a), Gäumann (1957a), Termorshuizen & Swertz (2011a).