P. H. W.  Taubert, ?Plantae Glaziovianae novae vel minus cognitae?, Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie, vol. 17, pp. 502-526, 1893.

G. F.  Scott-Elliot, ?New and little-known Madagascar plants, collected and enumerated by F. G. Scott Elliot, M.A., B.Sc., F.L.S.?, The Journal of the Linnean Society. Botany., vol. 29, pp. 1-67, 1893.