Uromyces polygoni-avicularis (Persoon) Otth, 1864
on (Persicaria), Polygonum, (Rumex)

Polygonum aviculare, Belgium, prov. Limbourg, Sint-Martens-Voeren © Carina Van Steenwinkel: uredinia

telium on a stem

urediniospores

teliospores

teliospores

Polygonum aviculare, England, Vice County: Berks, VC22 © Malcolm Storey, BioImages

teliospores
gall
No host plant alternation. Aecia hypophyllous, cupulate, peridium white, spores yellow. Uredinia and telia mainly hypophyllous, but also on the stems, light brown and dark brown, respectively. Urediniospores with (2)3(4) germination pores.
host plants
Polygonaceae, narrowly oligophagous
? Bistorta officinalis; Persicaria dubia, lapathifolia; Polygonum acerosum, arenarium & subsp. pulchellum, arenastrum, aviculare, bellardii, cognatum, equisetiforme, maritimum, paronychioides, patulum, polycnemoides, raii, ramossissimum, setosum subsp. luzuloides; Rumex acetosella & subsp. angiocarpus, arifolius, pulcher.
synonyms
Uromyces polygoni (Rabenhorst) Fuckel, 1870.
references
Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Beltran Tejera (1976a), Blumer (1946a), Brandenburger (1985a: 86), Buhr (1965a), Ellis & Ellis (1997a), Erdoğdu, Hüseyin & Suludere (2010a), Gäumann (1959a), Gjaerum (1986a, 1987a), González-Fragoso, Hafellner (1980a), Henderson (2000a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Kruse & Jage (2014a), Losa España (1942a, 1944a), Maire (1943a), Negrean (1996b, 1997a), Özaslan, Hüseyin & Erdogdu (2014a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Riegler-Hagler (2002b), Savchenko, Heluta, Wasser & Nevo (2014e), Săvulescu & Rayss (1935a), Termorshuizen & Swertz (2011a), Unamuno (1941a, 1942a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).