| Agave (Agave) bergeri Trel., 1915 |
| Agave (Agave) besseriana Jacobi, 1865 |
| Agave (Agave) bourgeaui Trel., 1920 |
| Agave (Agave) bovicornuta Gentry, 1942 |
| Agave (Agave) brandegeei Trel., 1911 |
| Agave (Agave) breedlovei Gentry, 1982 |
| Agave (Agave) breviscapa A. Berger ex Roster, 1916 |
| Agave (Agave) caeciliana A. Berger, 1915 |
| Agave (Agave) calodonta A. Berger, 1912 |
| Agave (Agave) candelabrum Tod., 1877 |
| Agave (Agave) cantala (Haw.) Roxb. ex Salm-Dyck, 1829 |
| Agave (Agave) cantala var. acuispina (Trel.) Gentry, 1982 |
| Agave (Agave) cantala var. cantala (Haw.) Roxb. ex Salm-Dyck, 1829 |
| Agave (Agave) capensis Gentry, 1978 |
| Agave (Agave) carminis Trel., 1911 |
| Agave (Agave) caroli-schmidtii A. Berger, 1915 |
| Agave (Agave) cerulata Trel., 1912 |
| Agave (Agave) cerulata subsp. cerulata Trel., 1912 |
| Agave (Agave) cerulata subsp. dentiens (Trel.) Gentry, 1978 |
| Agave (Agave) cerulata subsp. nelsonii (Trel.) Gentry, 1978 |