M. A.  Chemisquy, Giussani, L. M., Scataglini, M. A., Kellogg, E. A., and Morrone, O., ?Phylogenetic studies favour the unification of Pennisetum, Cenchrus and Odontelytrum (Poaceae): a combined nuclear, plastid and morphological analysis, and nomenclatural combinations in Cenchrus?, Ann. Bot, vol. 106, pp. 107 - 130, 2010.