Phragmidium sanguisorbae (de Candolle) Schröter, 1887
on Marcetella, Sanguisorba

Sanguisorba minor, Belgium, prov. Namur, Viroinval, Nismes © Stéphane Claerebout

underside of the leaf, with aecia

Sanguisorba minor, Belgium, prov. Antwerp, Mol, eco-demo garden © Carina Van Steenwinkel: aecia

aecia, uredinia (indistinguishable from the aecia), and blackish brown telia

the rachis is galled by aecia

aeciospore

uredinium

paraphyses

urediniospores

teliospores
gall
no alternation of host plant. Spermogonia near the aecia, between epidermis and cuticula. Aecia amphigenous, orange, without a peridium but with a circle of hyaline, sausage-shaped curved paraphyses; spores produced in chains, densely verrucose. Uredinia hypophyllous, yellow, small, 0.2 mm, equally encircled by paraphyses, spores single, pedicellate. Telia hypophyllous black; spores short pedicellate, elliptic, brown, transversely divided into c. 4, finely verrucose cells, apically terminated by an ill-defined apiculus.
host plants
Rosaceae, narrowly oligophagous
Marcetella moquiniana, Sanguisorba minor & subsp. balearica, officinalis, rupicola, verrucosa; Sarcopoterium spinosum.
Erdoğdu, Hüseyin & Suludere cite as host: Sanguisorba spec. and Rubus sanctus; probably there is some confusion involved.
synonyms
Phragmidium poterii Fuckel, 1870; Ph. poterii subsp. longipes (Saccardo & Trotter) Durrieu, 1968.
references
Bahcecioglu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Beltran Tejera (1976a), Blumer (1946a), Brandenburger (1985a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Erdoğdu, Hüseyin & Suludere (2010a), Gäumann (1959a), Gjaerum (1982a, 1986a, 1987a), Gjaerum & Sunding (1986a), González-Fragoso (1925a), Helfer (2005a), Henderson (2000a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse & Jage (2014a), Leysen (2013a), Llorens i Villagrasa (1984a), Losa España (1942a), Maier, Begerow, Weiß & Oberwinkler (2003a), Negrean (1997a), Petrova & Denchev (2004a), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Riegler-Hagler (2002a), Ritz, Maier, Oberwinkler & Wissemann (2005a), Roskam (2009a), Ruszkiewicz-Michalska (2006a), Savchenko, Wasser, Heluta & Nevo (2019a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Unamuno (1942a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).