Agave cerulata subsp. nelsonii (Trel.) Gentry in Occas. Pap. Calif. Acad. Sci. 130: 44, t. 2, 4, f. 21-23. 1978 sec. Espejo-Serna & López-Ferrari 2008
- =Agave nelsonii Trel. in Annual Rep. Missouri Bot. Gard. 22: 61, t. 65-67. 1911 syn. sec. Espejo-Serna & López-Ferrari 2008