Puccinia petasites-pendulae Gäumann, 1943

on Petasites, Tussilago

gall

Spermogonia in compact groups, yellow, epiphyllous. Aecia hypophyllous, cupulate; aeciospores yellow, 16 x 17 µm.

spermogonia, aecia

Asteraceae, narrowly oligophagous

Petasites albus, paradoxus; Tussilago farfara.


on Carex

gall

uredinia and telia hypophyllous, 1-2 mm long, light brown and brownish black, respectively. Urediniospores with 2(3,4) equatorial pores. Telia pulvinate. Teliospores two-celled, clavate, slender, 16-21 x 46-66 µm; wall smooth, apically thickened; pedicel light brown, persistent, up to 30 µm..

uredinia, telia

Cyperaceae,
narrowly monophagous

Carex pendula.

synonyms

the species is sometimes considered conspecific with, or a variety of, P. dioicae.

references

Brandenburger (1985a), Buhr (1985a), Gäumann (1959a), Klenke & Scholler (2015a), Kruse (2019a).

mod 6.ix.2019