| Agave (Agave) angustifolia var. angustifolia Haw., 1812 |
| Agave (Agave) angustifolia var. deweyana (Trel.) Gentry, 1982 |
| Agave (Agave) angustifolia var. rubescens (Salm-Dyck) Gentry, 1982 |
| Agave (Agave) angustifolia var. sargentii Trel., 1911 |
| Agave (Agave) applanata Lem. ex Jacobi, 1864 |
| Agave (Agave) applanata var. huachucensis (Baker) Mulford, 1896 |
| Agave (Agave) applanata var. parryi (Engelm.) Mulford, 1896 |
| Agave (Agave) atrovirens Karw. ex Salm-Dyck, 1834 |
| Agave (Agave) atrovirens var. atrovirens Karw. ex Salm-Dyck, 1834 |
| Agave (Agave) atrovirens var. mirabilis (Trel.) Gentry, 1982 |
| Agave (Agave) atrovirens var. salmiana (Otto ex Salm-Dyck) Maire & Weiller, 1959 |
| Agave (Agave) atrovirens var. sigmatophylla A. Berger, 1915 |
| Agave (Agave) aurea Brandegee, 1889 |
| Agave (Agave) aurea subsp. aurea Brandegee, 1889 |
| Agave (Agave) aurea subsp. promontorii (Trel.) R.H. Webb & G.D. Starr, 2015 |
| Agave (Agave) aurea var. capensis (Gentry) R.H. Webb & G.D. Starr, 2015 |
| Agave (Agave) avellanidens Trel., 1911 |
| Agave (Agave) azurea R.H. Webb & G.D. Starr, 2014 |
| Agave (Agave) bakeri H. Ross, 1894 |
| Agave (Agave) beaulueriana Jacobi, 1869 |