R.  Gomez-Martinez and Culham, A., ?Phylogeny of the Subfamily Panicoideae with emphasis on the tribe Paniceae: evidence from the trnL-F cpDNA Region?, in Grasses, Systematics and Evulution, S. W. L.  Jacobs and Everett, J., Eds. Collingwood: CSIRO Publishing, 2000, pp. 136-140.