Verbatim text: Barkworth, M.E. and R.J. Atkins. 1984. Leymus Hochst. (Gramineae: Triticeae) in North America: Taxonomy and distribution. Amer. J. Bot. 71:609-625
Author: Barkworth, M.E., Atkins, R.J.
Year: 1984
Title: Leymus Hochst. (Gramineae: Triticeae) in North America: Taxonomy and distribution
Journal: Amer. J. Bot
Volume: 71
Pages: 609–625