Verbatim text: Barkworth, M.E. and M.A. Torres. 2001. Distribution and diagnostic characters of Nassella (Poaceae: Stipeae). Taxon 50:439-468
Author: Barkworth, M.E., Torres, M.A.
Year: 2001
Title: Distribution and diagnostic characters of Nassella (Poaceae: Stipeae)
Journal: Taxon
Volume: 50
Pages: 439–468