Puccinia petasites-pulchellae Lüdi, 1916

on Petasites

gall

Apart from the host plant not distinguishable from Puccinia poarum.

spermogonia, aecia

Asteraceae, monophagous

Petasites albus, hybridus, kablikanus, paradoxus.


on Leucopoa

gall

uredinia tiny, epiphyllous, yellow, without paraphyses, pulverulent but with only few spores; spores with ± 6-8 inconspicuous germination pores. Telia hypophyllous, very small, ± black, long covered by the epidermis, surrounded and divided into compartments by paraphyses; spores two-celled, apically strongly thickened; pedicel short, brown; the spores do not fall off.

uredinia, telia

Poaceae, monophagous

Leucopoa pulchella (= Festuca p.).

references

Brandenburger (1985a), Buhr (1965a), Gäumann (1959a), González Fragoso (1924a), Hafellner (1980a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a).

11/04/2017

mod 16.vii.2017