Manfreda elongata Rose in Contr. U.S. Natl. Herb. 8: 21. 1903 sec. Espejo-Serna & López-Ferrari 2008
- =Agave gracillima A. Berger, Agaven: 33-34 & 288. 1915 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Polianthes rosei Shinners in Sida 3: 183. 1967 syn. sec. Espejo-Serna & López-Ferrari 2008