K. W.  Allred, ?Cortaderia?, in Flora of North America, vol. 25, Oxford University Press, 2003, pp. 298 - 300.

K. W.  Allred, ?Arundo?, in Flora of North America, vol. 25, Oxford University Press, 2003, pp. 11 - 12.

K. W.  Allred, ?Apera?, in Flora of North America, vol. 24, Oxford University Press, 2007, pp. 788 - 789.