M.  Simo-Droissart, Stévart, T., Sonké, B., Mayogo, S., Kamdem, N., and Droissart, V., ?New taxonomic and conservation status of Ossiculum (Vandeae, Orchidaceae), a highly threatened and narrow-endemic angraecoid orchid from Central Africa.?, 2018.

B. - J.  Lissambou, Hardy, O. - J., Atteke, C., Stévart, T., Dauby, G., Mbatchi, B., Sonké, B., and Couvreur, T. L. P., ?Taxonomic revision of the African genus Greenwayodendron (Annonaceae).?, 2018.