Orphanomyces vankyi Saville, 1974
sori on the upper side of very young leaves, initially as a gelatinous mass in the still folded leaf; here the spore balls become differentiated and a black crust is formed on the leaf. The fungus is systemic, infected plants do not flower. Spores united in balls of 5-60 or more.
Klenke & Scholler (2015a), Vánky (1994a).