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.