Plant Parasites of Europe

leafminers, galls and fungi

Puccinia borealis

Puccinia borealis Juel, 1894

on Thalictrum


spermogonia unknown. Aecia hypophyllous on yellowish or reddish leaf spots that are not galled; spore mass orange; spores verruose, ± 13 µm ø.

spermogonia, aecia

Ranunculaceae, marrowly monophagous

Thalictrum alpinum.

on Agrostis, Anthoxanthum


uredinia epiphyllous ,orange, on pale leaf spots; clavate paraphyses present; urediniospores with 4-6 pores. Telia hypophyllous, black, covered by the epidermis; paraphyses present. Teliospores two-celled; wall smooth, thin, somewhat thickened at the very tip. Pedicel short.

uredinia, telia

Poaceae, narrowly oligophagous

Agrostis alpina, rupestris; Anthoxanthum odoratum.


many authors, including Termorshuizen & Swertz, and also the Index Fungorum (2016), consider this species conspecific with P. recondita.


high-alpine species.


Blumer (1946a), Brandenburger (1985a: 800), Gäumann (1959a), Klenke & Scholler (2015a), Termorshuizen & Swertz (2011a), Zwetko & Blanz (2012a).

Last modified 12.xii.2022