Bathelium inspersomastoideum

Bathelium inspersomastoideum is a species of corticolous lichen in the family Trypetheliaceae. Found in Bolivia, it was formally described as a new species in 2016 by lichenologists Adam Flakus and André Aptroot. The type specimen was collected from Plan de Manejo AISU in the Rios Blanco y Negro Wildlife Reserve at an altitude of ; there, it was found growing on bark in a lowland Amazon forest. It is only known to occur in this and similar habitats in Bolivia. The species epithet refers to both its and its resemblance to B. mastoideum.