Zuloaga, Fernando O., Morrone, Osvaldo, Davidse, Gerrit, Filgueiras, Tarciso S., Peterson, Paul M., Soreng, Robert J., and Judziewicz, Emmet J. 2003. "Catalogue of New World grasses (Poaceae): III. subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae." Contributions from the United States National Herbarium, 46 1–662.