Aghanabati, A., 2004: Geology of Iran, Geological Survey of Iran., 583 pp.
Anonymous, 1991: The book of the management of water shed, Golestan prov., 170 pp.
Buhse, F., 1860: Aufzaehlung der auf einer Reise durch Transkaukasien und Persien gesammelten Pflanzen. – W. Gautier, Moskau. [Botanical part also published in: Nouv. Mém. Soc. Imp. Natural. Moskou 12: 1-245.]
Breuss, O., 1998: Catapyrenium und verwandte Gattungen (lichenisierte Ascomyceten, Verrucariaceae) in Asien - ein erster Überblick. – Ann. Naturhist. Mus. Wien 100B: 657-669.
Degelius, G. 1974: The lichen genus Collema with special reference to the Extra-European species. -Symbolae Botanica Upsaliensis 2: 1-215.
Egea, J. M., 1989: Los géneros Heppia y Peltula (Líquenes) en Europa Occidentaly Norte de Africa. – Biblioth. Lichenol. 31: 1-122.
Fürsich, T. F., Wilmsen, M., Seyed-Emami, K., Cecca, F. & Majidifard, M. 2005: The upper Schemshak Formation (Toarcian-Aalenian) of the Eastern Alborz (Iran): Biota and palaeoenvironments during a transgressive-regressive cycle. – Facies, 51: 365-384.
Göbel, F., 1830: Chemische Untersuchung einer in Persien herabgeregneten Substanz, der Parmelia esculenta. – J. Chem. Phys. 60: 393-399.
Goward, T., Mc Cune, B. & Meidinger, D., 1994: The Lichens of British Columbia, Illustrated keys, part 1, Foliose and Squamulose Species. -Ministry of Forest Research Program, 1-181 pp.
Hadjmoniry, M., Maassoumi, M. & Fallahian, F., 2005: Lichens from the Khorasan Province, Iran. – Folia Cryptog. Estonica 41: 55-58.
Haji Moniri, M., 2008: Lichenology. -Jihad Daneshgahi press, 198 pp.
Haji Moniri, M. & Sipman, H. J. M., 2009: Lichens from two nature reserves in NE Iran. – Willdenowia 39: 199-202.
Hale, M. E., 1979: How to Know the Lichens, Second Edition, The Pictured Key Natures Series Wm. C. Brown Company Publishers, Dubuqe. Lowa 246 pp.
Hutez de Lemps, A. La Végétation de la Terre. Masson et C ie., 1970: [Translated by Birang, N., Javanshir, A., Mojtahedi, Y. The Center of the Universital, Tehran 280 pp].
Jafari, S. M. & Akhani, H. 2008: Plants of Jahan Nama protected area, Golestan Province, N. Iran. – Pak. J. Bot., 40(4): 1533-1554.
Kiabi, B. & Ghaemi, R. 2000: Jahan Nama Protected Area. -Department of Environment. Tehran. Iran. 75 p. (In Farsi).
Knoph, J.-G., 1990: Untersuchungen an gesteinsbewohnenden xanthonhaltigen Sippen der Flechtengatting Lecidella (Lecanoraceae, Lecanorales) unter besonderer Berücksichtigung von außereuropäischen Proben exclusive Amerika. – Biblioth. Lichenol. 36: 1-183.
Mozaffarian, V., 2005: Trees and Shrubs of Iran. -Farhang Moaser press, Tehran 990 pp.
Müller, J., 1892: Lichenes Persici a cl. Dr. Stapf in Persia lecti. – Hedwigia 31: 151-159.
Nash, T. H., Ryan, B. D., Gries, C. & Bungartz, F., 2002: Lichen flora of the Greater Sonoran Desert Region. Vol I. Lichens Ultimated, Tempe, 532 pp.
Nash, T. H., Ryan, B. D., Gries, C & Bungartez, F., 2004: Lichen flora of the Greater Sonoran Desert Region. Vol II. Lichens Ultimated, Tempe, 742 pp.
Orange, A., James, P. W. & White, F. J., 2001: Microchemical methods for the identification of lichens. -British Lichen Society, London, 101 pp.
Parsa, A., 1978: Flora of Iran, vol I. Offset Press Inc. -Tehran-Iran, 506 pp.
Purvis, W. O., 2000: Lichens. –The Natural History Museum, London, 112 pp. translated: Haji Moniri, M., 2009, -Jihad Daneshgahi press, 111 pp.
Purvis, W. O., Coppins, B. J., Hawksworth, D. L., James, P. W. & Moore, D. M., 1992: The Lichen Flora of Great Britain and Ireland. -The British Lichen Society, 710 pp.
Runemark, H. 1956: Studies in Rhizocarpon, 1. Taxonomy of the yellow species in Europe. -Opera Botanica. A Societate Botnica Lundensi in Supplementum Serieie "Botanica Notiser" Edita 2: 1, 152 pp.
Seaward, M. R. D., Sipman, H., Schultz, M., Maassoumi, A., Haji Moniri, M. & Sohrabi, M., 2004: A preliminary lichen checklist for Iran. –Willdenowia 34: 543-576.
Seaward, M. R. D., Sipman, H. J. M. & Sohrabi, M., 2008: A revised checklist of lichenized, lichenicolous and allied fungi for Iran. –Sauteria 15: 459-520.
Sipman, H. 2003: Provisional key for lichen genera and some species of Iran. – Published at http://www. bgbm.fu-berlin.de/sipman/keys/ Irangenera. htm.
Sohrabi, M., 2005a: Lichens from Golestan National Park (Iran). – Folia Cryptog. Estonica 41: 105-108.
Sohrabi, M., 2005b: Lichens of Golestan National Park. - In: Akhani, H. (ed.): The Illustrated Flora of Golestan National Park (Iran), pp. 77-78. -Tehran University Press, Tehran.
Sohrabi, M. & Alstrup, V., 2007: Additions to the lichen mycota of Iran from East Azerbaijan Province. –Mycotaxon 100: 145-148.
Sohrabi, M. & Orange, A., 2006: New records of sorediate lichens from Iran. – Iranian J. Bot. 12: 101-103.
Sohrabi, M. & Sipman, H. J. M., 2007: Lichens of Golestan National Park (NE Iran). – Mycol. Balcanica 4: 87-92.
Steiner, J., 1896: Beitrag zur Flechtenflora Südpersiens. – Sitzungsber. Kaiserl. Akad. Wiss., Math.-Naturw. Cl. 105(1): 436-446.
Steiner, J., 1910: Lichenes Persici coll. a cl. Consule Th. Strauss. – Ann. Mycol. 8: 212-245 pp.
Szatala, O., 1940: pp. 521-533. In: K. H. Rechinger et a1., Ergebnisse einer botanischen Reise nach dem Iran. -Analen des naturhistorischen Museum in Wien 50: 410-536.
Szatala, O., 1957: Prodromus einer Flechtenflora des Irans. – Ann. Hist.-Nat. Mus. Natl. Hung., Ser. Nov. 8: 101-154.
Vitikainen, O., 1994: Taxonomic revision of Peltigera (Lichenized Ascomycotina) in Europe. -Acta Botanica Fennica 152: 1-96.
Weber, W. A., 1965: Iranian Plants collected by per Wendelbo in 1959. VIII. Lichens. -Arbok Universitetel i Bergen. Mat-naturv. Sere I, 1964, 14: 1-8.
Wunder, H., 1974: Schwarzfrüchtige, saxicole Sippen der Gattung Caloplaca (Lichenes, Teloschistaceae) in Mitteleuropa, dem Mittelmeergebiet und Vorderasien. – Biblioth. Lichenol. 3: 1-197.
Zohary, M., 1973: Geobotanical Foundations of the Middle East. -Gustav Fisher Verlag, Stuttgart. 739 pp.