| Cactaceae Juss. nom. cons. (Family) |
C | | | | I | | | | B | | details |
| Cactaceae Juss. nom. cons. subfam. Cactoideae (Subfamily) |
| | | | | | | | | | details |
| Cactaceae Juss. nom. cons. subfam. Cactoideae tr. Pachycereeae Buxb. (Tribe) |
| | | | | | | | | | details |
| Cephalocereus Pfeiff. (Genus) |
| | | | | | | | | | details |
| Cephalocereus blossfeldiorum Werderm. (Species) |
| | | | | | | | | sB | details |
| Cephalocereus brasiliensis Britton & Rose (Species) |
| | | | | | | | | | details |
| Cephalocereus delaetii Gürke (Species) |
| | | | | | | | | sB | details |
| Cephalocereus dybowskii (Species) |
| | | | | | | | B | | details |
| Cephalocereus guentheri Kupper (Species) |
| | | | | | | | | sB | details |
| Cephalocereus hoppenstedtii Schum. (Species) |
| | | | | | | | B | | details |
| Cephalocereus leucocephalus (Poselg.) Britton & Rose (Species) |
| | | | | sI | | | B | sB | details |
| Cephalocereus machrisii E.Y.Dawson (Species) |
| | | | | | | | | | details |
| Cephalocereus macrocephalus F.A.C.Weber ex K.Schum. (Species) |
| | | | | | | | | | details |
| Cephalocereus maxonii Rose (Species) |
| | | | | sI | | | | sB | details |
| Cephalocereus melanostele Vaupel (Species) |
| | | | | | | | | sB | details |
| Cephalocereus moritzianus (Otto) Britton & Rose (Species) |
| | | | | | | | | | details |
| Cephalocereus palmeri Rose (Species) |
| | | | | sI | | | B | sB | details |
| Cephalocereus penicillatus (Gürke) Werderm. (Species) |
| | sC | | | | | | | sB | details |
| Cephalocereus purpureus Gürke (Species) |
| | | | | | | | | sB | details |
| Cephalocereus purpusii Britton & Rose (Species) |
| | | | | | | | | | details |
| Cephalocereus sartorianus Rose (Species) |
| | | | | sI | | | | sB | details |
| Cephalocereus senilis (Haw.) Pfeiff. (Species) |
| | | | | | | | B | | details |
| Cephalocereus ulei Gürke (Species) |
| | | | | | | | | sB | details |
| Cephalocereus zehntneri Britton & Rose (Species) |
| | | | | | | | | | details |