| Id. | Gruppe | Links |
| 53 | Bacillaceae | |
| 388 | Balaenopteridae | |
| 233 | Balanophoraceae | |
| 85 | Barium | |
| 88 | Berberidaceae | |
| 89 | Beryllium | |
| 29 | Betulaceae | |
| 119 | Bignoniaceae | |
| 91 | Bismuthum | |
| 92 | Blattidae | |
| 390 | Boidae | |
| 93 | Boletaceae | |
| 94 | Bombycidae | |
| 392 | Bombycillidae | |
| 393 | Bonelliidae | |
| 154 | Boraginaceae | |
| 95 | Boron | |
| 97 | Bovidae | |
| 394 | Bradypodidae | |
| 374 | Bromeliaceae | |
| 37 | Bromum | |
| 100 | Brucellaceae | |
| 102 | Bufonidae | |
| 96 | Burseraceae | |
| 46 | Buthidae | |
| 104 | Buxaceae | |