Agave seemanniana Jacobi in Abh. Schles. Ges. Vaterl. Cult., Abth. Naturwiss. 1868, Nachtr. 1: 154. 1869 sec. García-Mendoza 2011
- =Agave scolymus var. seemanniana (Jacobi) A. Terracc., Prim. contr. monogr. Agave: 38. 1885 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave caroli-schmidtii A. Berger, Die Agaven: 199. 1915 syn. sec. García-Mendoza 2011
- =Agave guatemalensis Gand., Agaven: 201. 1915 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave seemanniana var. perscabra Trel. in Trans. Acad. Sci. St. Louis 23: 137. 1915 syn. sec. García-Mendoza 2011
- =Agave tortispina Trel. in Trans. Acad. Sci. St. Louis 23: 135. t. 6. 1915 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave pygmaea Gentry, Agaves Cont. N. Amer.: 494. 1982 syn. sec. García-Mendoza 2011
- =Agave seemanniana subsp. pygmaea (Gentry) B. Ullrich, Brit. Cactus Succ. J. 10: 27. 1992 syn. sec. García-Mendoza 2011