R. Ann James Thompson, ?Studies in the Paniceae: generic boundaries in the Brachiaria complex (Poaceae). Taxonomy of the Brachiaria complex (Poaceae: Paniceae)?, University of Oklahoma, 1988.

R. Ann James Thompson and Estes, J. R., ?Anthecial and foliar micromorphological and foliar anatomy of Brachiaria (Poaceae: Paniceae)?, American Journal of Botany, vol. 73, pp. 398-408, 1986.

R. Ann James Thompson, Tyrl, R. J., and Estes, J. R., ?Comparative anatomy of the spikelet callus of Eriochloa, Brachiaria and Urochloa (Poaceae:Paniceae:Setariinae)?, American Journal of Botany, vol. 77, pp. 1463-1468, 1990.