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 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), Gäumann (1959a), Gönczö & Révay (1981a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Koops (2013a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), 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).