Puccinia bardanae (Wallroth) Corda, 1840

on Arctium

Puccinia bardanae on Arctium spec.

Arctium spec., Belgium, prov. Antwerp, Oud-Turnhout, de Liereman © Carina Van Steenwinkel

Puccinia bardanae on Arctium spec.

uredinia and telia are difficult to distinguish

Puccinia bardanae: uredinospore

urediniospore

Puccinia bardanae: teliospores

teliospores

gall

No host plant alternation, no aecia. First uredinia epiphyllous, on yellowish swellings of the veins, later hypophyllous: pulverulent chestnut brown; urediniospores with 3(4) pores. Telia mostly hypophyllous,dark brown. pulverulent. Teliospore 2-celled, on a short, deciduous pedicel; cell wall densely and finely verrucculose, pore of the top cell apical, the one of the basal cell near the septum.

host plants

Asteraceae, monophagous

Arctium lappa, minus, tomentosum.

synonyms

P. bardanae is considered by some autours, among others Termorshuizen & Swertz, and also the Index Fungorum (2016), a synonym of P. calcitrapae.

references

Brandenburger (1985a), Gäumann (1959a), Gönczö & Révay (1981a), González Fragoso (1924a), Klenke & Scholler (2015a), Kruse (2019a), Ludwig (1974a), Maier, Wingfield, Mennicken & Wingfield (2007a), Termorshuizen & Swertz (2011a), Tóth (1994a), Vanderweyen & Fraiture (2011a).

mod 19.vii.2019