Sori around all the peduncles of a rudimentary inflorescence; cylindrical, often curved; when young, covered by thick, shining white, relatively late rupturing peridia. Spore mass agglutinated; dark.
Sori in the ovaries; hidden by enveloping glumes; about 3 mm long; with peridia, which rupture disclosing the spore mass and a slender-pointed columella.
Sori in some spikelets of an infected inflorescence; globose to egg-shaped; 2-2.5 x 3-5 mm; with greyish white, persistent peridia which rupture with several lobes and form sacs.
Sori in some to numerous flowers of an inflorescence; a single sorus with one central columella and a peridium, both made of fungal cells; columellae ca 4-7 mm long; peridia dirty white to brownish, rupturing with 3-4 lobes.