1. African Plant Database. Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute Pretoria (version 3.4.0). http://www.ville-ge.ch/musinfo/bd/cjb/africa/ . Accessed March 2013.
2. Andrews, D. J., & Kumar, K. A. (2006). Pennisetum glaucum (L.) R. Br. In M. Brink & G. Belay (Eds.), PROTA, 1: Cereals and pulses (pp. 128–133). Wageningen: PROTA Foundation, Backhuys Publishers, CTA.
3. Anonymous (2011). Elephant grass—Pennisetum purpureum. Factsheet. Special edition of Environmental Weeds of Australia for Biosecurity Queensland. The University of Queensland. http://keyserver.lucidcentral.org/ . Accessed March 2013.
4. Ataga, C. D., & van der Vossen, H. A. M. (2007). Elaeis guineensis Jacq. In H. A. M. van der Vossen & G. S. Mkamilo (Eds.), PROTA, 14: Vegetable oils/Oléagineux [CD-Rom]. PROTA (Plant Resources of Tropical Africa/Ressources végétales de l’Afrique tropicale): Wageningen.
5. Bauma, I. L. (1999). Etude de marché préliminaire sur les produits forestiers non ligneux de la République démocratique du Congo: Les marchés de Beni et Kisangani. In T. C. H. Sunderland, L. E. Clark, & P. Vantomme (Eds.), The NWFP of Central Africa: Current research issues and prospects for conservation and development. Rome: FAO.