The Lichen Flora of Sundarbans Biosphere Reserve, West Bengal deals with the systematic account of 167 species under 56 genera and 25 families supported by 4 maps, 159 colour photographs and 67 text figures. This includes 9 new species, 2 new generic and 28 specific records for India published during the course of investigation. In addition to lichens, five non-lichenized and one lichenicolous Ascomycetes taxa, which resemble as lichens are also dealt at the end of systematic treatment. It is the first comprehensive account of lichens from a fragile mangrove reserve as well as a protected area in the country.
Keys to the families genera and species are also provided in order to facilitate their identification. The genera under each family and species under each genus is arranged alphabetically. Taxonomic description of each species is followed by a comparative discussion of their allied species, distribution in the world as well as in India and specimen citation.