Verbatim text: Safford, W. E. 1914. Classification of the genus Annona, with descriptions of new and imperfectly known species. Contr. U.S. Natl. Herb. 18: i-ix, 1-68.
Author: Safford, W.E.
Year: 1914
Title: Classification of the genus Annona, with descriptions of new and imperfectly known species
Journal: Contr. U.S. Natl. Herb
Volume: 18
Pages: i-ix, 1-68