Puccinia pygmaea Eriksson, 1895

on Berberis

gall

Aecia hypophyllous, tiny (< 0.4 mm); peridium without clear, outwards curved, segments

At this stage P. brachypodii, poae-nemoralis, and pygmaea are indistinguishable.

spermogonia, aecia

Berberidaceae, narrowly oligophagous

Berberis polyantha, vulgaris, wilsoniae; Mahonia aquifolium.


gall

telia and uredinia in rows between the veins. Uredinia mostly epiphyllous, orange brown, with many capitate paraphyses. Telia amphigenous, black, long covered by the epidermis; spores on a short pedicel, two-celled, top cell with the apical wall thickened.

uredinia, telia

Poaceae, oligophagous

Calamagrostis arundinacea, canescens, epigeios, pseudophragmites, varia, villosa.

Rarely also Agrostis capillaris, schraderiana (Klenke & Scholler).

synonyms

Puccinia ammophilina (Klebahn) Mains, 1939.

references

Buhr (1964b), Ellis & Ellis (1997a), Gäumann (1959a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Ludwig (1974a), Marková & Urban (1988a), Mayor (1967a), Mułenko, Sałata & Wołczańska (1995a), Poelt & Zwetko (1997a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

mod 20.vii.2019