Verbatim text: Barkworth, M.E. 1977. A taxonomic study of the large-glumed species of Stipa (Gramineae) in Canada. Canad. J. Bot. 56:606-625
Author: Barkworth, M.E.
Year: 1977
Title: A taxonomic study of the large-glumed species of Stipa (Gramineae) in Canada
Journal: Canad. J. Bot
Volume: 56
Pages: 606–625