Puccinia trachyderma Sydow, 1935
on Crepis
parasite
only telia, mainly hypophyllius, dakr brown. Urediniospores are formed in the telia, spinulose, 2-3 pores, 18-22 x 20-26 µm. Teliospores 2-celled, coarsely verrucose, 22-25 x 26-35 µm.
host plants
Asteraceae, monophagous
Crepis fraasii.
references
Brandenburger (1985a: 681), Gäumann (1959a: 1084) .