|
Cactaceae
Backebergia |
| Bartschella |
| Beahmara |
| Bergerocactus |
| Binghamia |
| Bisnaga |
| Blossfeldia |
| Bolivicereus |
| Bonifazia |
| Borzicactella |
| Borzicactus |
| Borzimoza |
| Borzinopsis |
| Borzipostoa |
| Borziroya |
| Brachycalycium |
| Brachycereus |
| Brasilicactus |
| Brasilicereus |
| Brasiliopuntia |
| Brasiliparodia |
| Bravocactus |
| Bridgesia |
| Brittonia |
| Brittonrosea |
| Browningia |
| Buchheimara |
| Buiningia |