Grass Phylogeny Working Group, Barker, N. P., Clark, L. G., Davis, J. I., Duvall, M. R., Guala, Gerald F., Hsiao, C., Kellogg, E. A., Linder, H. P., Mason-Gamer, R., Mathews, S., Simmons, M. P., Soreng, Robert J., and Spangler, R. 2001. "
Phylogeny and subfamilial classification of the grasses (Poaceae)."
Annals of the Missouri Botanical Garden, 88, (3) 373–457.