Verbatim text: Barkworth, M.E. 1990. Nassella (Gramineae: Stipeae): Revised interpretation and nomenclatural changes. Taxon 39:597-614
Author: Barkworth, M.E.
Year: 1990
Title: Nassella (Gramineae: Stipeae): Revised interpretation and nomenclatural changes
Journal: Taxon
Volume: 39
Pages: 597–614