Ramularia coleosporii Saccardo, 1880
parasite
Parasitoid of
Chrysomyxa pyrolae; Coleosporium campanulae, euphrasiae, inulae, melampyri, pulsatillae, senecionis, tussilaginis.
The white conidia mass contrast against the rust-sori.
host plants
polyphagous
Adenostyles; Campanula glomerata, latifola, rapunculoides, trachelium; Cirsium oleraceum; Inula salicina; Melampyrum nemorosum, pratense, sylvaticum; Orthilia secunda; Petasites hybridus, paradoxus, spurius; Phyteuma; Senecio doria & subsp. umbrosus, nemorensis subsp. jacquinianus, ovatus, pyrenaicus, sylvaticus; Sonchus arvensis, asper, oleraceus; Telekia speciosa; Tussilago farfara.
references
Bartkowska (2007b), Braun (1998a), Chater, Woods, Stringer, ao (2021a), Jage, Kruse, Kummer, ao (2013a), Kruse (2014a), Poelt & Fritz-Schroeder (1983a), Scheuer & Bechter (2012a), Unamuno (1943a), Wołczańska (2005a).