T. L. P.  Couvreur and Niangadouma, R., ?New species of Uvariopsis (Annonaceae) and Laccosperma (Arecaceae/Palmae) from Monts de Cristal, GabonF?, PhytoKeys, vol. 68, pp. 1 - 8, 2016.

T. L. P.  Couvreur, Chatrou, L. W., Sosef, M. S. M., and Richardson, J. E., ?Molecular phylogenetics reveal multiple tertiary vicariance origins of the African rain forest trees?, BMC Biology, vol. 6, p. 54, 2008.