Puccinia major Dietel, 1894
Crepis paludosa, England, Vice County: Mid-west Yorkshire, VC64: group of aecia, a few spermogonia in the centre; © Malcolm Storey, BioImages
No host plant alternation. Spermogonia between the aecia. Aecia hypophyllous in circular groups, cupulate, yellow with recurved margin, on yellow spots, also on veins and petioles. Uredinia amphigenous, pulverulent, cinnamon brown, appearing after the aecia, also often on yellow spots. Urediniospores 19-21 x 19-26 µm, with 2 ± equatorial pores, not capped by a papilla. Telia as the uredinia but blackish brown; spores 21-33 x 28-48 µm, two-celled, finely verrucose, on short, hyaline pedicels.
Asteraceae, narrowly monophagous
Crepis paludosa, pantocsekii.
Bahçecioğlu & Kabaktepe (2012a), Blumer (1946a), Brandenburger (1985a: 681), Buhr (1964b), Doppelbaur (1968a, 1973a), Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Scholler & Klenke (2010a), Kruse (2019a), Losa España (1942a), Marková & Urban (1988a), Negrean (1996b), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Tomasi (2012a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).