1. Amirahmadi, A., Kazempour-Osaloo, K., Kaveh, A., Maassoumi, A. A. & Naderi, R. (2016). The phylogeny and new classification of the genus Onobrychis (Fabaceae-Hedysareae): evidence from molecular data. Pl. Syst. Evol. 302: 1445 – 1456.
2. Lock, J. M. & Simpson, K. (1991). Legumes of West Asia, a check-list. Royal Botanic Gardens, Kew.
3. Lock, J. M. (2005). Tribe Hedysareae. In: G. Lewis, B. Schrire, B. Mackinder & M. Lock (eds), Legumes of the World, pp. 489 – 495. Royal Botanic Gardens, Kew.
4. Mabberley, D. J. (2008). The Plant-Book. A Portable Dictionary of the Higher Plants, Ed. 3. Cambridge University Press, Cambridge.
5. Ranjbar, M., Askari, A., Karamian, R., Joharchi, M. R. & Tolui, Z. (2018). A new species of Onobrychis sect. Onobrychis (Fabaceae) from Iran. Phytotaxa 347 (4): 285 – 291.