J. W.  Vickery, ?19. Gramineae?, Contribution from the New South Wales Herbarium, Bd. 19(1), S. 1-124, 1961.

H. B.  Gilliland, Grasses of Malaya.  Vol III of Burkhill,HM, A revised Flora of Malaya. Singapore: Government Printing Office, 1971, S. 319 and 36 plates.