Astrothelium aeneum

Species of lichen

Astrothelium aeneum is a species of corticolous (bark-dwelling), crustose lichen in the family Trypetheliaceae. It is widely distributed in tropical regions. The lichen's thallus is typically light olive-green to yellowish, often covered in orange pigment, and varies in texture from smooth to uneven. It fluoresces red under ultraviolet light.

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