Agave fourcroydes Lem. in Ill. Hort. 11: 65. 1864 sec. Espejo-Serna & López-Ferrari 2008
- =Agave rigida var. elongata Baker in Bull. Misc. Inform. 62: 23. 1892 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave sullivanii Trel. in Contr. U.S. Natl. Herb. 23: 119. 1920 syn. sec. Espejo-Serna & López-Ferrari 2008