M.  Deng, Hipp, A., Song, Y. - G., Li, Q. - S., Coombes, A., and Cotton, A., ?Leaf epidermal features of Quercus subgenus Cyclobalanopsis (Fagaceae) and their systematic significance?, Botanical Journal of the Linnean SocietyBotanical Journal of the Linnean Society, vol. 176, pp. 224-259, 2014.

M. C.  Simeone, Piredda, R., Papini, A., Vessella, F., and Schirone, B., ?Application of plastid and nuclear markers to DNA barcoding of Euro-Mediterranean oaks (Quercus, Fagaceae): problems, prospects and phylogenetic implications?, Botanical Journal of the Linnean SocietyBotanical Journal of the Linnean Society, p. n/a-n/a, 2013.