T.  Chaowasku, Johnson, D. M., Van der Ham, R. W. J. M., and Chatrou, L. W., ?Characterization of Hubera (Annonaceae), a new genus segregated from Polyalthia and allied to Miliusa?, Phytotaxa, vol. 69, 2012.

T. L. P.  Couvreur, Maas, P. J. M., Meinke, S., Johnson, D. M., and KeßLer, P. J. A., ?Keys to the genera of Annonaceae?, Botanical Journal of the Linnean Society, vol. 169, pp. 74-83, 2012.