| Asparagaceae | |
Agave attenuata subsp. attenuata
| | | |
| Asparagaceae | |
Agave attenuata var. compacta
| Jacobi | | |
| Asparagaceae | |
Agave attenuata subsp. dentata
| (J.N. Verschaff.) B.Ullrich | Haseltonia 12: 27 | 2006 |
| Asparagaceae | * |
Agave attenuata subsp. dentata
| B.Ullrich | Haseltonia 12: 27 | 2007 |
| Asparagaceae | |
Agave attenuata var. dentata
| J.N. Verschaff. | Cat. 19: 83 | 1876 |
| Asparagaceae | |
Agave attenuata var. latifolia
| Salm-Dyck ex A. Terracc. | Prim. Contr. Monogr. Agave 21 | 1885 |
| Asparagaceae | |
Agave attenuata var. paucibracteata
| Trel. | Stand. Cycl. Hort. 1: 235 | 1914 |
| Asparagaceae | |
Agave attenuata var. serrulata
| A. Terracc. | Prim. Contr. Monogr. Agave 21 | 1885 |
| Asparagaceae | |
Agave attenuata var. subdentata
| Cels ex Carrière | Rev. Hort. (Paris) 51: 28 | 1879 |
| Asparagaceae | |
Agave attenuata var. subundulata
| Jacobi | Hamburger Garten- Blumenzeitung 22: 273 | 1866 |