W. M.  Bowden, ?Chromosome numbers and taxonomic notes on northern grasses. I. Tribe Triticeae?, Canadian Journal of Botany, vol. 37, pp. 1143-1151, 1959.

W. M.  Bowden, ?Chromosome numbers and taxonomic notes on northern grasses. I. Tribe Triticeae?, Canadian Journal of Botany, vol. 37, pp. 1143-1151, 1959.