Bacidia suffusa, a member of lichenized family Ramalinaceae is reported on the bark of Alnus nitida, from Himalayan moist temperate forest of Pakistan, based on critical morpho-anatomical and ITS-based phylogenetic analysis. Its occurrence here indicates that it is the first report of this lichen from Pakistan and South East Asia as well. The taxonomic characters of the taxon are given, along with an ITS-based phylogenetic tree and notes on its ecology and distribution. Key words: Himalaya, Koza Gali, Khyber Pakhtunkhwa, New record.