Campbell, C. S., Evans, R. C., Morgan, D. R., Dickinson, T. A. & Arsenault M. P., 2007: Phylogeny of subtribe Pyrinae (formerly the Maloideae, Rosaceae): limited resolution of a complex evolutionary history. -Pl. Syst. Evol. 266: 119 – 145.
Khatamsaz, M. 1992: Rosaceae in Assadi et al. Flora of Iran no. 6. -Research Institute of Forests and Rangelands, Tehran.
Khatamsaz, M. 1988: Studies on the Rosaceae family in Iran, new taxa and new records. -Iran. J. Bot. 4 (1): 116-118.
Mabberley, D. J. 1997: The Plant Book, second edition. -Cambridge University Press.
Metcalfe, C. R & Chalk, L. 1957: Anatomy of Dicotyledons 1: 539-550.- Oxford University Press.
Riedl, H. 1969: Cotoneasterin Rechinger K. H. (ed.) Flora Iranica 66. –Graz, Austria: Akademische Druck- und Verlagsanstalt.
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