Uromyces rumicis (Schumacher) Winter, 1884
on Ranunculus

Ficaria verna, Dronten: spermogonia © Arnold Grosscurt

Ficaria verna, Loenen (Gelderland): aecia © Arnold Grosscurt

aecia are also formed on the petioles
gall
aecia in compact groups, up to 20-50 together; spores with ± 3 µm large, plate-like, easily detachable appendages.
spermogonia, aecia
Ranunculaceae, narrowly monophagous
Ficaria verna.
on Rumex

Rumex obtusifolius, Amstelveen, Schinkelbos: uredinia and telia on the underside of a leaf; the difference in colour between the two is hardly recognisable.

telia


two times the same urediniospore


two teliospores
gall
uredinia and telia amphigenous. Uredinia cinnamon coloured, spores remotely spiny. Telia like the uredinia, but darker brown; teliospores on a short deciduous pedicel, characterised by an apical papilla.
uredinia, telia
Polygonaceae, monophagous
Rumex acetosa, alpinus, angustifolius, aquaticus, arifolius, conglomeratus, crispus, cristatus, dentatus, hydrolapathum, maritimus, obtusifolius, palustris, patientia, pulcher, sanguineus, scutatus, stenophyllus, triangulivalvis, tuberculatus.
references
Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Beltran Tejera (1976a), Brandenburger (1985a: 90, 153), Buhr (1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Doppelbaur (1968a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1987a), Gjaerum & Dennis (1976a), Gjaerum & Sunding (1986a), Gönczö & Révay (1981a), González-Fragoso (1922a, 1925a), Grossrieder & Keary (2004a), Henderson (2000a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Llorens i Villagrasa (1984a), Losa España (1942a, 1944a), Ludwig (1974a), Redfern & Shirley (2011a), Roskam (2009a), Ruszkiewicz-Michalska (2006a), Scholler, Reinhard & Schubert (1996a), Scholler & Schubert (1993a), Spooner & Butterfill (1999a), Termorshuizen & Swertz (2011a), Unamuno (1941a, 1942a), Vanderweyen & Fraiture (2008a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a), Zwetko & Blanz (2012a).