Arthonia
sp.
URM 45816. Place of collection: Brazil; Rondônia; Pôrto Velho. Date of collection: 15 February 1962. Associated organisms: Asterothyrium rondoniense; Dictyothyrium ocoteae; Meliola polytricha; Micropeltidaceae gen.indet.; Mindoa rondoniensis; Plantae indet.; Setomyces minutus; Strigulaceae gen.indet. Collector: Correia, J.U..