Manfreda longiflora (Rose) Verh.-Will. in Baileya 19: 163. 1975 sec. Espejo-Serna & López-Ferrari 2008
- ≡Runyonia longiflora Rose in Addisonia 7: 34. 1922 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Polianthes runyonii (Rose) Shinn in Sida 2: 335. 1966 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave longiflora (Rose) G.D. Rowley in Repert. Pl. Succ. 26: 4. 1977 syn. sec. Espejo-Serna & López-Ferrari 2008