Urocystis ranunculi-auricomi (Liro) Zundel, 1953
sori as blister-like swelling of the leaf veins, petioles, and stems. When they are ripe and rupture, a black powdery-granular mass of spore balls is released. The spore balls consist of 1-7 spores; the cover of sterile cells that is the hallmark of Urocystis is reduced here to just a few cells.
Ranunculus ? aconitifolius, auricomus, cassubicus, fallax, monophyllus.
Buhr (1965a), Klenke & Scholler (2015a), Savchenko & Heluta (2012a), Tomasi (2014a), Vánky (1994a), Wołczańska, Cwener & Wójciak (2016a).