Ocellularia fenestrata

About

Ocellularia fenestrata is a species of bark-dwelling, crustose lichen-forming fungus in the family Graphidaceae. It is an olive-green lichen that grows on tree bark in lowland tropical rainforest, recorded from Peru, Brazil, and Colombia. The species was described in 2012 and is named for the distinctive window-like perforations in the central column of its fruiting bodies.

Summary from Wikipedia