Cantino, P.D., Harley, R.M. and Wagstaff, S.J. 1992. Genera of Lamiaceae: status and classification. In: Harley, R.M., Reynolds, T. (eds), Advances in Labiatae science.– Royal Botanic Gardens, Kew. pp: 511-523.
Castro, M. and Rosselló J.A. 2007. Karyological observations on plant taxa endemic to the Balearic Islands. – Bot. J. Linn. Soc. 153: 463-476.
Ehrendorfer, F. and Schönbeck‒Temesy, E. 2005. Gaillonia. – In: Rechinger, K.H. (ed.), Flora Iranica, vol. 176: 22-38. – Akad. Druck- und Verlagsanstalt, Graz.
Ghahreman, A. and Attar, F. 2000. Biodiversity of plant species in Iran. vol. 1. – Tehran University publications, Tehran.
Ghebrehiwet, M. 2001. Taxonomy, phylogeny and biogeography of Kickxia and Nanorrhinum (Scrophulariaceae). – Nord. J. Bot. 20: 655-690.
Goldblatt P., Johnson D.E. (eds.). 1979. Index to plant chromosome numbers. St. Louis: Missouri Botanical Garden, http://mobot.mobot.org/W3T/Search/ipcn.html [accessed 22 Oct. 2018].
Hamdi, M.M. and Assadi, M. 2011. Linaria. – In: Assadi et al. (eds.), Flora of Iran. vol. 68. – Research Institute of Forests and Rangelands, Tehran (in Persian).
Hamdi, M.M., Assadi, M., Vaezi, G. and Mirtadzadini, M. 2008. A New Species of Linaria Sect. Versicolores (Scrophulariaceae) from Iran. – Novon. 18: 340-343.
Kkarazian, N., Zamani Shourabi, S. and Yousefi, M. 2013. Chromosome count and karyotype study of eleven Nepeta L. (Lamiaceae) species from Iran. – Bio. Di. Con. 6: 76-87.
Khatoon, S. and Ali, S.I. 1993. Chromosome Atlas of the Angiosperms of Pakistan. – University of Karachi, Karachi.
Jamzad, Z., Grayer, R.J., Kite, G.C., Monique, S.J., Simmonds, M.I. and Jalili, A. 2003. Leaf surface flavonoids in Iranian species of Nepeta (Lamiaceae) and some related genera. – Biochem Syst Ecol. 31: 587-600.
Jamzad, Z. 2012. Nepeta. – In: Assadi, M., Maassoumi, A. A. and Mozaffarian. V. (eds.), Flora of Iran. vol. 76: 454-609 (in Persian).
Payandeh, M., Bordbar, F., Mirtadzadini, M. and Bakhshi Khaniki, G.R. 2015. New chromosome counts for Nepeta (Lamiaceae) from flora of Iran. – Bio. Di. Con. 8: 70-73.
Podlech, D. and Iranshahr, M. 2015. Scrophulariaceae II, Antirrhineae. – In: Rechinger, K.H. (ed.), Flora Iranica. Vol. 180: 30-71. –Akad. Druck- und Verlagsanstalt, Graz. Ranjbar, M. and Nouri, S. 2015. Biogeography of the Genus Linaria (Plantaginaceae) Based on Chromosome Number Data. – J. Cell Mol. Med. 7: 115-132.
Rechinger, K.H. 1982. Lamiaceae. – In: Rechinger, K.H. (ed.), Flora Iranica. vol. 150: 108-216. – Akad. Druck- und Verlagsanstalt, Graz.
Saggoo, M.I.S., Srivastava, D.K. and Grewal, P. 2011. Meiotic studies in 14 species of the Nepeta L. (Lamiaceae) from cold desert regions of Lahaul‒Spiti and adjoining areas of Northwest‒Himalaya, India. – Cytologia. 76: 231-236.
Soltis, D.E. 2014. Chromosome data. – Iran J. Bot. 20: 228-229.
Srivastava, D.K. 2012. Cyto-morphological diversity in species of Labiatae and Scrophulariaceae from Lahaul‒Spiti and adjoining areas. Ph. D. Thesis. – Department of Botany, Punjabi University Patiala, Patiala, Punjab, India.
Sutton, D.A. 1988. A revision of the tribe Antirrhineae (Scrophulariaceae). – Oxford University Press, Oxford.