- Acharius, E. 1810. Lichenographia Universalis . Göttingen*.
- Acharius, E. 1810. Synopsis Methodica Lichenum . Lund*.
- Awasthi, D.D. 1957. A new species of Parmelia from Kodaikanal, S. India. Curr. Sci. 26: 123-124.
- Awasthi, D.D. 1965. Catalogue of the lichens from India, Nepal, Pakistan, and Ceylon. Weinheim, Verlag von J. Cramer.
- Awasthi, D.D. 1988. A key to the macro lichens of India and Nepal. J. Hattori Bot. Lab. 65: 207-302.
- Awasthi, D.D. 1991. A key to the microlichens of India, Nepal and Sri Lanka. Biblioth. Lichnenol. 40: 1-337.
- Awasthi, D.D. 2000. Lichenology in Indian subcontinent. Bishen Singh Mahendra Pal Singh, Dehra Dun.
- Bélanger, M.C. 1838. Voyage aux Indes Orientales . Années 1825-29. Botanique, II. partie, Cryptogamie par Ch. Bélanger et Bory de St. Vincent. Paris. 1834-38. (Lichens, pp. 113-144)*.
- Choisy, M. 1931. Lichens nouveaux. Bull. Soc. Bot. France 78: 453-460*.
- Chopra, G.L. 1934. Lichens of the Himalayas, pt. I. Lichens of Darjeeling and Sikkim Himalayas. Punjab University. Lahore.
- Divakar, P.K. 2002. Revisionary studies on the lichen genus Parmelia sensu lato in India. Ph.D. thesis. Lucknow University, Lucknow.
- Divakar, P.K. and Upreti, D.K. 2002. Revision of the lichen genus Xanthoparmelia (Vainio) Hale, from India. Nova Hedwigia 75(3-4): 507-523.
- Divakar, P.K. and Upreti, D.K. 2003a. Additional notes and new records of the lichen genus Hypotrachyna (Parmeliaceae) from India. Mycotaxon 86: 67-76.
- Divakar, P.K. and Upreti, D.K. 2003b. New species and new records of Parmotrema Massal. (Parmeliaceae) from India. Lichenologist 35(1): 21-26.
- Eagen, R.S. 1987. A fifth checklist of the lichen forming, lichenicolous and allied fungi of the Continental United States and Canada. Bryologist 90(2): 77-173.
- Hue, A.M. (1898, 1899, 1900a, and 1901). Lichens extra-europaei a pluribus collectoribus ad Museum Parisiense missi. Nouv. Arch. du Mus. Hist. Natur. de Paris. III: 213-280. 1898; IV(1): 27-220. 1899; IV(2): 48-122. 1900; IV(3): 21-146. 1901*.
- Hue, A.M. 1900b. Lichens récoltes à Coonoor, massif du Nilghéris Chaine des Ghattes, Inde, par M. Ch. Gray en 1893. Bull. Acad. Internat. Georgr. Bot. 9: 251-265*
- Jatta, A. 1902. Lichen esotici dell'Erbario Levier, raccolti nell' Asia Meridionale e nell'Oceania. Malpighia 17: 3-5*.
- Jatta, A. 1905. Lichen esotici dell'Erbario Levier, raccolti nell' Asia Meridionale e nell'Oceania, nell'Brasile e nell Madagascar. Malpighia 19: 163-185*.
- Jatta, A. 1911. Lichens Asia meridionalis lect. a rev. B. Luthi in Malabar et a E. Long et W. Gollan in Himalaya. Bull. Orto Bot. d. R. Uni. Napoli 3: 309-312*.
- Kumar, K. and Upreti, D.K. 2001. Parmelia spp. (Lichen) - in ancient medicinal plant lore of India. Economic Botany 55(3): 458-459.
- Kumar, M. and Stephen, S. 1997a. Lichen flora of Western Ghats: An appraisal. J. Econ. Tax. Bot. 21(1): 27-39.
- Kumar, M. and Stephen. S. 1997b. New records of macrolihens from Silent valley, Kerala. J. Econ. Tax. Bot. 21(1): 67-73.
- Kumar, M. and Stephen, S. 1999. Lichen of Western Ghats-An Overview. In Biology of Lichens (Eds. K.G. Mukerji, B.P. Chamola, D.K. Upreti and R.K. Upadhyay). Aravali Books International, New Delhi. Pp. 297-331.
- Makhija, U. and Patwardhan, P.G. 1989. The lichen family Astrotheliaceae sensu Zahlbruckner in India. Biovigyanam 15(2): 61-89.
- Makhija, U. and Patwardhan, P.G. 1990. On the lichen genus Pleurotrema Müll. Arg. Biovigyanam 16(1): 10-37.
- Makhija, U. and Patwardhan, P.G. 1993. A contribution to our knowledge of the lichen genus Trypethelium (Family Trypetheliaceae). J. Hattori Bot. Lab. 73: 183-219.
- Makhija, U. and Patwardhan, P.G. 1994. A contribution towards a monograph of the lichen genus Cryptothecia (Family Arthoniaceae). In Current Researches in Plant Sciences (Eds. T.A. Sarma, S.S. Saini, M.L. Trivedi and M. Sharma). Bishen Singh and Mahendra Pal Singh, Dehra Dun, India. Pp. 57-72.
- Makhija, U. and Patwardhan, P.G. 1995. The lichen genus Arthothelium (Family Arthoniaceae) in India. J. Hattori Bot. Lab. 78: 189-235.
- Makhija, U., Adawadkar, B. and Patwardhan, P.G. 1994. The lichen genus Porina (Family Trichotheliaceae) from India. J. Econ. Tax. Bot. 18(3): 521-545.
- Montagne, C. 1842. Cryptogamae Nilgherienses seu Plantarum in montibus peninsulae indicaeNeelgheries dictis a cl. Perrottet collectarum enumeratio. Ann. Sci. Nat. Bt. II (17): 17-2 (lichens)*.
- Moreau, M. and Moreau, F. 1952. Lichens de I'Inde. Rev. Bryol. Lichen. N.S. 21: 135-43*.
- Moxham, T.H. 1986. The commercial exploitation of lichens for the perfume industry. In Progress in essential oil research (Ed. E.J. Brunke). Walter de Gruyter, Berlin.
- Nayaka, S. 2004. Revisionary studies on the lichen genus Lecanora sensu lato in India. Ph.D. thesis. Dr. R.M.L. Avadh University, Faizabad.
- Nayaka. S. and Upreti. D.K. 2002. Lichen flora of Sharavathi river basin, Shimoga district, Karnataka, India with six new records. J. Econ. Tax. Bot. 26(3): 627-648.
- Nayaka, S. and Upreti, D.K. 2004. Scope for cryptogamic studies in sacred groves – A case study of lichens from Maharashtra. J. Econ. Taxon. Bot. 28(1): 209-212.
- Nayaka. S., Upreti. D.K. and Divakar, P.K. 2001. Distribution and diversity of lichens in Meghamalai Wildlife Sanctuary, Kambam district, Tamil Nadu, India. Biol. Memoirs 27(2): 51-58.
- Nayaka. S., Upreti. D.K., Phatak, S. and Samuel. C. 2004. Notes on lichens of Bondla And Bhagwan Mahavir Wildlife Sanctuaries, Goa. Biol. Memoirs 30(2): 115-119.
- Nayaka, S., Upreti, D.K., Phatak, S. and Samuel, C. 2005. Preliminary observation on lichen flora of arecanut and coconut orchards of Goa. In Achievements and Prospects in Botany: Prof. S.P. Khullar's Festschrift. (Eds. M.P. Sharma and I.B. Prasher) (In press).
- Pant, G. and Upreti, D.K. 1993. The lichen genus Diploschistes in India and Nepal. Lichenologist 25(1): 33-50.
- Patwardhan, P.G. 1983. Rare and endemic lichens in the Western Ghats, South Western India. In An assessment of threatened plants of India (Eds. S.K. Jain and R.R. Rao). Botanical Survey of India, Howrah. Pp. 318-322.
- Phatak, S., Nayaka, S., Upreti, D.K., Singh, S.M. and Samuel, C. 2004. Preliminary observation on lichen flora of Cotigao Wildlife Sanctuary, Goa, India. Phytotaxonomy 4: 104-106.
- Quraishi, A.A. 1928. Lichens of Western Himalayas. Proc. 15 th Indian Sci. Congr. Abstracts p 228*.
- Santesson, R. 1952. Foliicolous lichens I. A revision of the taxonomy of the obligately foliicolous lichenized fungi. Symb. Bot. Upsal. 12(1): 1-590.
- Shah, N.C. 1997. Lichens of economic importance from the hills of Uttar Pradesh, India. J. Herbs, Spices and Medicinal Plants 5: 69-76.
- Singh, A. 1980. Lichenology in Indian subcontinent 1966-1977. EBIS, NBRI, Lucknow.
- Singh, A. 1964. Lichens of India. Bull. Natn. Bot. Gardens, Lucknow 93: 1-356.
- Singh, K.P. 1984. Synopsis of lichens from Palni Hills, India. Biol. Memoirs 9(2): 105-150.
- Singh, K.P. and Sinha, G.P. 1997. Lichens. In Floristic diversity and conservation strategies in India, vol. I (Cryptogams and Gymnosperms) (Eds. V. Mudugal and P.K. Hajra). Botanical Survey of India, Howrah. Pp. 195-234.
- Smith, A.L. 1926. Cryptotheciaceae. A family of primitive lichens. Trans. Brit. Mycol. Soc. 11: 189-196*.
- Stirton, J. 1876. Descriptions of recently discovered lichens. Proc. Phil. Soc. Glasgow 10: 156-164*.
- Stirton, J. 1879. New and rare lichens from India and the Himalayas. Proc. Phil. Soc. Glasgow 11: 306-322*.
- Upreti, D.K. 1992. Lichenological events of Lucknow. 1992. Brit. Lich. Soc. Bull. 71: 15.
- Upreti, D.K. 1994. Notes on corticolous and saxicolous species of Porina with Porina subhibernica sp. nov. Bryologist 97(1): 73-79.
- Upreti, D.K. 1995. Lichenology in India-1994. Brit. Lich. Soc. Bull. 77: 18.
- Upreti, D.K. 1995. Loss of diversity in Indian lichen flora. Environmental Conservation 22(4): 362-363.
- Upreti, D.K. 1997. A review of lichenology in India during 1996. Brit. Lich. Soc. Bull. 81: 25-26.
- Upreti, D.K. 1998. A key to the lichen genus Pyrenula from India, with nomenclatural notes. Nova Hedwigia 66(3-4): 557-576.
- Upreti, D.K. and Büdel, B. 1990. Lichen genera Heppia and Peltua in India. J. Hattori Bot. Lab. 68: 279-284.
- Upreti, D.K. and Chatterjee, S. 2002. The lichen genus Aspicilia in India. Phytotaxonomy 2: 1-10.
- Upreti, D.K. and Chatterjee, S. 2004. Lichen genus Tephromela in India. Geophytology 32(1 and 2): 47-52.
- Upreti, D.K. and Nayaka, S. 2000. Lichenology in India (1996-2000). Brit. Lich. Soc. Bull. 87: 66-67.
- Upreti, D.K. and Nayaka, S. 2003. Review of Lichenology in India during 2001-03. Brit. Lich. Soc. Bull. 93: 37-39.
- Upreti, D.K. and Pant, G. 1993. Notes on Arthopyrenia species from India. Bryologist 96(2): 226-232.
- Upreti, D.K. and Singh, A. 1999. Lichen genus Anthracothecium from India subcontinent. In Biology of Lichens (Eds. K.G. Mukerji, B.P. Chamola, D.K. Upreti and R.K. Upadhyay). Aravali Books International, New Delhi. Pp. 343-386.
- Upreti, D.K., Divakar, P.K. and Nayaka, S. 2003. Notes on species of lichen genus Phyllospora in India. Biblioth. Lichenolo. (Porf. Fiege Frestchrift) 86: 185-191.
- Upreti, D.K., Divakar, P.K. and Nayaka, S. 2005. Commercial and ethnic use of lichens in India. Economic Botany 59(1): (in press).
* References not seen in original