Puccinia schoeleriana Plowright & Magnus, 1885
on Senecio s.l.
Jacobaea vulgaris, Zwolle © Arnold Grosscurt; identification tentative, not confirmed by an infection test.
spermogonia honey-coloured, in dense groups. Aecia hypophyllous in dense circles around the spermogonia; they are cupulate with white, outwards curved peridium segments. Locally the leaf is more or less swollen and coloured yellow or reddish, also at the upperside.
Asteraceae, narrowly oligophagous
uredinia hypophyllous, brown; urediniospores 18-24 x 25-30 µm, with 2-3 pores above the equator. Telia blackish brown, hypophyllous, soon naked. Teliospores two-celled, slender, with a smooth wall, that apically is strongly thickened. Pedicel long, persistent.
Cyperaceae, narrowly monophagous
Carex arenaria, colchica.
Puccinia ligericae Sydow, 1892.
Brandenburger (1985a: 650), Buhr (1965a), Gäumann (1959a), Henderson (2004a), Klenke & Scholler (2015a), Roskam (2009a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Woods, Stringer, Evans & Chater (2015a).