Abstract
Lichens are an important part of the vegetation, which plays a vital role in the environment i.e. pollution indicator. This research area is completely virgin in Pakistan, as very few studies are found in literature. Since 1965-2012, a total of 368 lichen species have been reported from Pakistan. Here, lichen diversity of an unexplored area (Musk Deer National Park) is documented. This study for the first-time reports nine lichen species from the understory area and with new records of Acarospora socialis and Umbilicaria hirsuta from Pakistan. Most of them were cosmopolitan (Physcia dubia and Xanthoria elegans), while few species had restricted distribution and were found in specific altitudinal ranges (Dermatocarpon miniatum and Rhizocarpon geographicum). Brief description of all taxa reported here is provided.