Puccinia phragmitis (Schumacher) Körnicke, 1876
on Rumex
Rumex obtusifolius, Dronten, 5.v.2010 © Arnold Grosscurt
aecia at the underside of the leaf
Rumex acetosa, Nieuwendam, 5.vi.2013: aecium
aeciospores

Rumex spec., Hungary, Halászi, 21.vii.2019 © László Érsek: uderside of a leaf, with groups of young aecia

group of young aecia

emptied aecia

transverse section
spermogonia, aecia
Polygonaceae, oligophagous
Rheum compactum, hybridum, officinale, palmatum, rhabarbarum, tataricum;
Rumex acetosa, acetosella, alpinus, arifolius, altissimus, aquaticus, britannicus, bucephalophorus, confertus, conglomeratus, crispus, x heterophyllus, hybridus, hydrolapathum, japonicus, longifolius, maritimus, mexicanus, obtusifolius, patientia, pseudonatronatus, sanguineus, thyrsiflorus.
Also indicated (not by Gäumann) as host plant are Bistorta officinalis, Fallopia convolvulus; Persicaria hydropper, maculosa
on Phragmites

Phragmites australis, Hungary, Halászi, 25.iv.2019 © László Érsek

uredinia (brown) and telia (black)
Phragmites australis, Amsterdam Noord, JH Vliegenbos, 19.vii.2013: uredinia

Phragmites australis, Nieuwendam, 3.vi.2017: leaf spot with uredinium

urediniospores with thick but uniform wall

four equatorial pores (three visible, and in the lower spores not so perfectly equatorial)

sculpture
Phragmites australis, Nieuwendam, 19.vi.2013: the uredinia rupture the upper and lower epidermis equally; note the yellow stripes running towards the blade’s tip
the urediniospores have an unusually thick wall and are coarsely verrucose.


the germination pores (recognisable as light spots) are equatorially positioned
uredinia and telia, golden brown and blackish brown, respectively
teliospores

they have a long pedicel
Phragmites australis, Belgium, prov. Antwerp, Balen, Scheps, 8.ix.2015 © Carina Van Steenwinkel
gall
Uredinia amphigenous, often in rows, rather large, powdery, brown, without paraphyses; spores with a thick wall (3-4 µm), 4 pores. Tela as the uredinia but up to 1 cm long; spores two-celled; pedicel up to 200 µm long, persistent.
uredinia, telia
Poaceae, oligophagous
Arundo donax; Phragmites australis.
synonyms
Puccinia trailii Plowright, 1889 (see Gäumann 1959a: 750).
inquilines
Eudarluca caricis parasitises on the uredinia.
references
Bahçecioğlu & Kabaktepe (2012a), Brandenburger (1985a: 88, 90, 822), Buhr (1965a), Deckert & Deckert (2016a), Dietrich (2013a), Ellis & Ellis (1997a: 413, 414, 509), Gäumann (1959a), Gönczö & Révay (1981a), González Fragoso (1924a), Henderson (2000a, 2004a), Honrubia & Llimona (1982a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Koops (2013a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Kruse ao (2022b), Llorens i Villagrasa (1984a), Pellicier (2001a), Poelt & Zwetko (1991a, 1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2009a), Van Ryckegem (2005a), Savchenko, Heluta, Wasser & Nevo (2014d), Savchenko, Wasser, Heluta & Nevo (2019a), Săvulescu & Rayss (1935a), Scholler, Reinhard & Schubert (1996a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Unamuno (1941b), Vanderweyen & Fraiture (2011a), Woods, Stringer, Evans & Chater (2015a).