References
Al shehri, A. H.; Al Saleh, A. A.; (2008).Karyotype of amphibians in Saudi: The karyotype of Bufo regularis.; Asian J. Cell. Biol.; 2: 67-71.
Azevedo, M. F. C.; Forest, F.; Ramos, P. R.; Jim, J.; (2003). Comparative cytogenetic studies of Bufo ictericus, B. paracnemis (Amphibia, Anura) and an intermediate form in sympatry. Gent Mol. Biol; 26: 289-294.
Baloutch, M.; Kami, H. G.; (2006). Amphibian of Iran. Tehran University Press, Tehran, pp: 177.
Bogart, J. P.; (1972). Karyotypes. In Blair W. F. (Ed.), Evolution in the Genus Bufo. Austin: University of Texas Press, 171-195.
Borkin, L. J.; Shabanov, D. A.; Brandler, O. V.; Kukushkin, O. V.; Litvinchuk, S. N.; Mazepa, G. A.; Rozanov, J. M.; (2007). A case of natural triploidy in European diploid green toad (Bufo viridis), with some distributional records of diploid and tetraploid toads. Russ J Herpetol.; 14(2): 121-132.
Cavallo, D.; Devita, R.; Eleuteri, P.; Borkin, L.; Emechenko, V.; Odiema, G.; Balletto, E.; (2002). Karyological and flow cytometric evidence of triploid specimens in Bufo viridis (Amphibia Anura). Eur J Histochem.; 16: 159-164.
Doyle, B. W.; Beckert, W. H.; (1970). Chromosome characteristics of bufonidae among species and within populations. Caryologia; 23: 145-154.
Fakharzadeh, F.; Ghasemzadeh, F.; Kami, H. G.; (2001). Biosystematic study of two Anuran species from North and East Khorasan province, (3): 38-47. (In Persian)
Fakharzadeh, F.; Darvish, J.; Ghassemzadeh, F.; Kami, H. G.; (2009). Anuran karyological study of Khorasan province. Asian Journal of Biological Science; 2(3): 6-73.
Fakharzadeh, F.; Darvish, J.; Kami, H G.; Ghasemzadeh, F.; Rastegar-Pouyania, E.; (2014). New karyological and morphomeyric data on poorly known B. surdus and B. luristanicus in comparison with data of diploid green toad of B. viridis complex from south if Iran. Asiatic Herpetological Research; 5(3): 168-178.
Fakharzadeh, F.; Darvish, J.; Kami, H. G.; Ghassemzadeh, F.; Rastegar-Pouyani, E.; Stöck, M.; (2015). Discovery of triploidy in Palearctic green toads (Anura: Bufonidae) from Iran with indications for a reproductive system involving diploids and triploids. Zool. Anz.; 255: 25-31.
Hezaveh, N.; Ghasemzadeh, F.; Darvish, J.; (2008). Biosystematic study (morphology, karyology and morphometry) of anuran amphibian in Markazy Province. Iranian Journal of Biology; 20(4): 458-467. (In Persian)
Hashemynejad, R.; (2010). Anuran Biosystematic study of Mazandaran Province and survey the ecological condition of their habitat. Ferdowsi University of Mashhad. (In Persian)
Levan, A.; Fredga, K.; Sandberg, A. A.; (1964). Nomenclature for centromeric position on chromosomes. Hereditas; 52: 201-220.
Najibzadeh, M.; (2011). Anuran Biosystematic study of Lurestan province. Ferdowsi University of Mashhad.
Nehmati, A.; (1998). Recognition of Khorasan Anurian. Ferdowsi University of Mashhad. pp: 177.
Özdemir, N.; Kutrup, B.; (2007). Intraspecific variation of Turkish green toads, Bufo (Pseudepidalea) viridis Laurenti, 1768, based on 16S ribosomal RNA sequences. Herpetozoa; 20: 3-10.
Özdemir, N.; Gül, N. A.; Poyarkov, J. R.; Kutrup, B.; Tosunoðlu, M.; Doglio, S.; (2014). Molecular systematics and phylogeography of Bufotes variabilis (syn. Pseudepidalea variabilis) (Pallas, 1769) in Turkey. Turk. J. Zool.; 38: 412-42.
Schmid, M.; (1978). Chromosome Banding in Amphibia .Chromosoma; (Berl). 66: 361-388.
Shanthi, P. A.; Singh, P.; Barh, D.; Venkatachalaiah, G.; (2010). Comparative karyology based systematics of Euphlyctis hexadactylus and Euphlyctis cyanophlyctis. International Journal of Integrative Biology.; 9 (1): 6-9.
Siripivasing, P.; Chulalaksananukul, W.; Pariyanonth, P.; Kaewsri, S.; Sittigul, S.; Seatung, N.; and Tanomtong, A.; (2008). The identification of the sex chromosome and karyotype of four toad species (genus Bufo ) in Thailand by T-lymphocyte cell culture, Cytologia; 73(3), 229- 241.
Stöck, M.; Günther, R.; Bohme, W.; (2001a). Progress towards a Taxonomic revision of the Asian Bufo viridis group. Current status of nominal taxa and unsolved problems (Amphibia Anura: Bufonidae).Zool Abh Staatl Mus Tierkunde Dresden.; 51: 253-319.
Stöck, M.; Frynta, D.; Grosse, W. R.; Steinlein, C.; Schmid, M.; (2001b). A review of the distribution of diploid, triploid and tetraploid green toads (Bufo viridis complex) in Asia including new data from Iran and Pakistan. Asiatic Herp Res.; 9: 77-100.
Stöck, M.; Steinlein, C.; Lamatsch, DK.; Schartl, M.; Schmid, M.; (2005). Multiple origins of tetraploid taxa in the Eurasian Bufo viridis subgroup. Genetica.; 124:255-272.
Stöck, M.; Moritz, C.; Hickerson, M.; Frynta, D.; Dujsebayeva, T.; Eremchenko, V.; Macey, J. R.; Papenfuss, T. J.; Wake, D. B.; (2006). Evolution of mitochondrial relationships and biogeography of Palearctic green toads (Bufo viridis subgroup) with insights in their genomic plasticity. Mol Phyl Evol.; 41: 663-689.
Stöck, M.; Croll, D.; Dumas, Z.; Biollay, S.; Wang, J.; Perrin, N.; (2011). A cryptic heterogametic transition revealed by sex-linked DNA markers in Palearctic green toads. J. Evol. Biol.; 24: 1064-1070.
Stöck, M.; Savary, R.; Betto-Colliard, C.; Biollay, S.; Jourdan-Pineau, H.; Perrin, N.; (2013). Low rates of X–Y recombination not turnovers account for homomorphic sex chromosomes in several diploid species of Palearctic green toads (Bufo viridis subgroup). J. Evol. Biol.; 26: 674-682.
Volpe, E P.; Gerhardt, B. M.; (1968). Somatic chromosomes of the marine toad Bufo marinus (Linne). Copeia.; 3570-576.