Puccinia alpestris Sydow, 1901

on Crepis

gall

No host plant alternation.Spermogonia amphigenous. Aecia hypophyllous, cupulate, yellow with recurved margin, on yellow spots, also on veins and petioles. Uredinia mainly epiphyllous, cinnamon brown, often already together with the aecia. Urediniospores 19-27 x 21-32 µm with 2 (rarely 3) ± equatorial pores. Telia mostly hypophyllous, blackish brown; spores 20-30 x 26-41 µm two-celled, coarsely verrucose, on short, hyaline pedicels.

host plants

Asteraceae, narrowly monophagous

Crepis alpestris.

references

Blumer (1946a), Brandenburger (1985a: 679), Buhr (1964b), Gäumann (1959a), Klenke & Scholler (2015a), Schmid-Heckel (1985a).

27/05/2017