Verbatim text: Ward, D. B. 1968. The nomenclature of Sisyrinchium bermudiana and related North America species. Taxon 17: 270–276.
Author: Ward, D.B.
Year: 1968
Title: The nomenclature of Sisyrinchium bermudiana and related North America species
Journal: Taxon
Volume: 17
Pages: 270–276