R.  Govaerts and Dransfield, J., World checklist of palms. Kew: Royal Botanic Gardens, 2005.

A. D.  Pan, Jacobs, B. F., Dransfield, J., and Baker, W. J., ?The fossil history of palms (Arecaceae) in Africa and new records from the Late Oligocene (28-27 Mya) of north-western Ethiopia?, Botanical Journal of the Linnean SocietyBotanical Journal of the Linnean Society, vol. 151, pp. 69-81, 2005.

J.  Dransfield, Uhl, N. W., Asmussen, C. B., Baker, J. W., Harley, M. M., and Lewis, C. E., ?A new phylogenetic classification of the palm family, Arecaceae?, Kew BulletinKew Bulletin, vol. 60, pp. 559-569, 2005.