Astrothelium campylocartilagineum

Astrothelium campylocartilagineum is a species of lichen in the family Trypetheliaceae. It forms olive-green patches with a distinctive bumpy, cartilage-like surface texture on tree bark in tropical forests. The species is characterized by solitary, dark fruiting bodies that are largely embedded within the lichen's thallus, each bearing separate spore-producing openings, and by exceptionally large spores divided into numerous compartments. It was formally established in 2016 when researchers assigned it a replacement scientific name to resolve a naming conflict, based on type material originally collected from southeastern Brazil in the nineteenth century....read more on Wikipedia.