Template:Maas & Maas, 1998
- Maas, H. & Maas, P.J.M. 1998. Costaceae. Pp. 424–430 in Steyermark, J.A. (†), Berry, P.E. & Holst, B.K. (eds.), Flora of the Venezuelan Guayana, Vol. 4, Caesalpiniaceae–Ericaceae. Missouri Botanical Garden Press, St. Louis. ISBN 0-915279-52-5.