S. N.  Hidayati, Meijer, W., Baskin, J. M., and Walck, J. L., ?A Contribution to the Life History of the Rare Indonesian Holoparasite Rafflesia patma (Rafflesiaceae) 1?, Biotropica, vol. 32, pp. 408?414, 2000.

L. A.  Nikolov, Endress, P. K., Sugumaran, M., Sasirat, S., Vessabutr, S., Kramer, E. M., and Davis, C. C., ?Developmental origins of the world?s largest flowers, Rafflesiaceae?, Proceedings of the National Academy of Sciences, vol. 110, pp. 18578?18583, 2013.

H.  Banziger, Hansen, B., and Kreetiyutanont, K., ?A new form of the hermit's spittoon, Sapria himalayana Griffith f. albovinosa Banziger and Hansen f. nov.(Rafflesiaceae), with notes on its ecology?, Nat. Hist. Bull. Siam. Soc, vol. 48, pp. 213?219, 2000.