Agave triangularis Jacobi, Zweiter Nachtrag, zu dem Versuch einer systemat. Ordnung der Agaveen: 149. 1869 sec. García-Mendoza 2011
- =Agave rigidissima Jacobi in Hamburger Garten-Blumenzeitung 21: 50. 1865 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave kerchovei var. inermis Baker in Gard. Chron., n.s., 7: 527. 1877 syn. sec. García-Mendoza 2011
- =Agave hanburyi Baker in Bull. Misc. Inform. 61: 3. 1892 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave triangularis var. rigidissima (Jacobi) Trel. in Contr. U.S. Natl. Herb. 23: 137-138. 1920 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Agave triangularis var. subintegra Trel., U.S. Natl. Herb. Contr. 23: 138. 1920 syn. sec. García-Mendoza 2011