Puglisi, Carmen. “Spot-Characters for the Identification of Malesian Seed Plants: a Guide .M.M.J. Van Balgooy, Y. W. Low & K. M. Wong”. Edinburgh Journal of Botany, vol. 73, no. 2, June 2016, pp. 263-4, https://doi.org/10.1017/S0960428616000056.