| Cactaceae Juss. nom. cons. (Family) |
C | | | | I | | | | B | | details |
| Cactaceae Juss. nom. cons. subfam. Cactoideae (Subfamily) |
| | | | | | | | | | details |
| Cactaceae Juss. nom. cons. subfam. Cactoideae tr. Trichocereeae Buxb. (Tribe) |
| | | | | | | | | | details |
| Acanthocalycium Backeb. (Genus) |
| | | | | | | | | | details |
| Acanthocalycium brevispinum F.Ritter (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium catamarcense Ritt. (Species) |
| | | | | | | | B | | details |
| Acanthocalycium chionanthum (Speg.) Backeb. & Knuth (Species) |
| | | | | | | | B | | details |
| Acanthocalycium ferrarii Rausch (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium glaucum F.Ritter (Species) |
| | | | | | | | B | | details |
| Acanthocalycium griseum Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium klimpelianum (Weidl. ex Werderm.) Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium peitscherianum Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium spiniflorum (K.Schum.) Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium thionanthum (Speg.) Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium variiflorum Backeb. (Species) |
| | | | | | | | B | sB | details |
| Acanthocalycium violaceum (Werderm.) Backeb. (Species) |
| | | | | | | | B | sB | details |