Puccinia crepidis-aureae Sydow, 1901

on Crepis

gall

No host plant alternation. Aecia hypophyllous, cupulate, yellow with recurved margin, on yellow spots, also on veins and petioles. Uredinia amphigenous, cinnamon brown, simultaneous with the aecia, tiny (0.2 mm). Urediniospores 16-24 µm, with 2(3) mostly supra-equatorial pores. Telia amphigenous, blackish brown; spores 18-31 x 20-42 µm, two-celled, finely verrucose, on very short, hyaline pedicels.

hostplants

Asteraceae, narrowly monophagous

Crepis aurea.

notes

Also described from this host plant is Uredo breventiaca Guyot & Massenot, 1958. However, it has turned out that a mistake has been made with the identification of the host plant; the true host is not known (Klenke & Scholler).

references

Blumer (1946a), Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a).

mod 1.viii.2018