, ?Phylogenetics of the grass genus Ehrharta: evidence for radiation in the summer-arid zone of the South African Cape.?, Evolution, vol. 57, pp. 1008-1021, 2003.

T.  Tateoka, ?Notes on some grasses VI. Coelachne and Sphaerocaryum 10. Chromosomes and leaf structure of several species?, Botanical Magazine, Tokyo, vol. 70, pp. 119-125, 1957.

J. J.  Spies, Saayman, E. J. L., Voges, S. P., and Davidse, G., ?Chromosome studies on African plants. 9. Chromosome numbers in Ehrharta (Poaceae:Ehrharta)?, Bothalia, vol. 19, pp. 125-132, 1989.