Uromyces junci Tulasne, 1854

on Buphthalmum, Pulicaria

Uromyces junci: aecia on Pulicaria dysenterica

Pulicaria dysenterica, France, dép. Somme, Marais de Quend, 24.v.2019 © Sébastien Carbonelle

Uromyces junci: aecia on Pulicaria dysenterica



Spermogonia mostly epiphyllous. Aecia hypophyllous, in groups in violet spots, cupulate, with a whitish peridium and a pale yellow mass of spores.

spermogonia, aecia

Asteraceae, narrowly oligophagous

Buphthalmum salicifolium; Pulicaria dysenterica.

on Juncus

Uromyces junci: spores

Juncus subulatus, from González-Fragoso (1925a): urediniospores and teliospores


Uredinia erupt through the epidermis, pulverulent, brown; spores oval, thin-walled, yellowish brown, finely spinulose. Telia darker; spores one-celled, wall smooth, dark brown, apically strongly thickened; spores on a brown, rather long, persistent pedicel.

uredinia, telia

Juncaceae, broadly monophagous

Juncus acutiflorus, acutus, alpinoarticulatus, articulatus, “atratus”, balticus & subsp. ater, bufonius, conglomeratus, cyperoides, dichotomus, diffusus, effusus, inflexus, lesueurii, maritimus, mertensianus, patens, procerus, squarrosus, subnodulosus, subulatus, tenuis, textilis, torreyi, xiphioides.


Brandenburger (1985a), Buhr (1964b), Ellis & Ellis (1997a), Gäumann (1959a), Gönczö & Révay (1981a), González-Fragoso (1925a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kruse (2014a, 2019a), Kruse, Thiel, Brodtbeck ea (2017a), Maier, Begerow, Weiß & Oberwinkler (2003a), Maier, Wingfield, Mennicken & Wingfield (2007a), Mayor (1967a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Savchenko, Heluta, Wasser & Nevo (2014e), Spooner & Butterfill (1999a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

mod 8.ix.2019