For Urochloa
Crins, W.J. 1991. The genera of Paniceae (Gramineae: Panicoideae) in the southeastern United States. J. Arnold Arb., Supplementary Series 1: 171-312.
Webster, R.D. 1988. Genera of the North American Paniceae (Poaceae: Panicoideae). Systematic Bot. 13: 576-609.
Wipff, J.K., and R.A. Thompson. 2002a. Brachiaria. In Flora of North America Editorial Committee. 2003a. Flora of North America north of Mexico. Volume 25, Magnoliophyta: Commelinidae (in part): Poaceae, part 2. Oxford Univ. Press, New York, NY. 783 pp.
Wipff, J.K., and R.A. Thompson. 2003b. Urochloa. In Flora of North America Editorial Committee. 2003a. Flora of North America north of Mexico. Volume 25, Magnoliophyta: Commelinidae (in part): Poaceae, part 2. Oxford Univ. Press, New York, NY. 783 pp.
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