H. E.  Connor, ?Studies in New Zealand Agropyron 3. Intraspecific hybrids in A. scabrum (R.Br.) Beauv?, New Zealand Journal of Science and Technology, vol. 5, pp. 116-119, 1962.

H. H.  Allan, ?The specific identity of Ratstail grass?, New Zealand Journal of Science and Technology, vol. 15, pp. 255-257, 1934.