V.  Jirasek und Jozifova, M., ?Morphology of lodicules, their variability and importance in the taxonomy of the Poaceae?, Boletin de la Sociedad Argentina de Botanico, La Plata, Argentina., Bd. 12, S. 324-349, 1968.

F.  Butzin, ?Remarks on the size and morphology of the panicoid genus Alloteropsis?, Willdenowia, Bd. 5, S. 123-143, 1968.