Phragmidium bulbosum (Fries) Schlechtendal, 1824
on Rubus

Rubus fruticosus, Belgium, prov. Antwerp, Mol © Carina Van Steenwinkel

teliospores

Rubus plicatus. from González-Fragoso (1925a): telium, surrounded by paraphyses, and teliospores
gall
no alternation of host plant. Spermogonia epiphyllous. Aecia mostly hypophyllous, yellow, minute but larger on the veins, without a peridium but with a coronet of hyaline, sausage-shaped curved paraphyses; spores produced in chains, sparsely aculeate. Uredinia like the aecia, but spores single, pedicellate, wall finely spinulate. Telia hypophyllous black; spores long pedicellate, elliptic, dark brown, transversely divided into 4-7 finely verrucose cells, abruptly terminated by an apiculus.
host plants
Rosaceae, broadly monophagous
Rubus caesius, egregius, fruticosus, grabowskii, gracilis, gratus, hirtus, montanus, nessensis, plicatus, pyramidalis, questieri, radula, sanctus, sprengelii, sulcatus, ulmifolius.
Not on R. saxatilis.
synonyms
Phragmidiun rubi(Persoon) Winter, 1882.
references
Bahcecioglu & Kabaktepe (2012a), Beltran Tejera (1976a), Brandenburger (1972a), Buhr (1965a), Doppelbuar & Doppelbaur (1968a, 1973a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1892a, 1987a), Gjaerum & Sunding (1986a), Gönczö & Révay (1981a), González-Fragoso (1925a), Helfer (2005a), Heluta, Hayova, Tykhonenko ao (2010a), Henderson (2000a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Jørstad (1953a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Losa España (1942a), Ludwig (1974a), Melzer, Pittoni, Poelt & Scheuer (1984a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Ruszkiewicz-Michalska (2006a), Sadravi, Ono, Pei & Rahnama (2007a), Scheuer & Bechter (2012a), Schön (2014a), Scholler & Schubert (1993a), Termorshuizen & Swertz (2011a), Tomasi (2003a, 2012a, 2014a), Tóth (1994a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).