Manfreda singuliflora (S. Watson) Rose in Contr. U.S. Natl. Herb. 8: 16-17. 1903 sec. Espejo-Serna & López-Ferrari 2008
- ≡Bravoa singuliflora S. Watson in Proc. Amer. Acad. Arts 22: 479. 1887 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave singuliflora (S. Watson) A. Berger, Agaven: 31. 1912 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Polianthes singuliflora (S. Watson) Shinn in Sida 2: 337. 1966 syn. sec. Espejo-Serna & López-Ferrari 2008