Sulcopyrenula

About

Sulcopyrenula is a genus of lichen-forming fungi in the family Pyrenulaceae. It contains five species. Sulcopyrenula is a largely tropical American genus with a single outlier in East Asia, and all five species share a preference for relatively undisturbed, humid bark substrates—whether in savanna woodland, rainforest or shaded montane hardwood stands.

Summary from Wikipedia