Puccinia arenariicola Plowright, 1888

on Centarea

gall

aecia mainly hypophyllous, on purple-bordered yellow spots; they are cupulate with white, outwards curved peridium segments; spore mass yellow.

spermogonia, aecia

Asteraceae, narrowly monophagous

Centaurea nigra.


on Carex

gall

uredinia on pale spots; urediniospores 18-22 x 18-26 µm, with 2 pores. Telia mainly hypophyllous, pulvinate, black. Teliospores two-celled, slender, with a smooth wall, that apically is strongly thickened. Pedicel brownish, persistent, up to 40 µm.

uredinia, telia

Cyperaceae, nauw monophagous

Carex arenaria, muricata.

synonyms

Puccinia centaureae-caricis Tranzschel 1909; Puccinia tenuistipes Rostrup, 1887.

Many authors, including Termorshuizen & Swertz, and also the Index Fungorum (2016) consider arenariicola conspecific with Puccinia dioicae, or a variety of it.

references

Brandenburger (1985a), Buhr (1965a), Gäumann (1959a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Schmid-Heckel (1985a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Zwetko & Poelt (1989a).

mod 1.viii.2018