| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| BORONON-ENCARNADO | TR.TG | ESP | |||
| BRANCO,PRT | K-21822; PI-18572 | TR.TG | S | PRT | |
| BRAUNER-WUNDERWEIZEN | TR.TG | W | DEU | ||
| BRKULJA,TR.TG | K-38870; K-38872 | TR.TG | W | YUG | |
| BUCA-NERA-UNBEHAART-ROT | K-40837 | TR.TG | W | DEU | |
| BUFALA-BIANCA | TR.TG | W | ITA | ||
| BUFALA-NERA | K-21369 | TR.TG | W | ITA:Sicily | |
| BUFALA-NERA-A | TR.TG | W | ITA | ||
| BUFALA-NERA-B | TR.TG | W | ITA | ||
| BUFALA-NERA-CORTA | K-20060 | BUFALO-NERO-CORTA[541]; | TR.TG | W | ITA:Sicily |
| BUFALA-ROSSA-I | TR.TG | W | ITA | ||
| BUFALA-ROSSA-LUNGA | K-44548 | TR.TG | S | ITA | |
| BUISSON | BLE-BUISSON[39]; BLE-POULARD-BLANC-LISSE-OU-CARRE[39]; | TR.TG | FRA | ||
| CABEZON-DE-ESTELLA | TR.TG | ESP | |||
| CACHUDO | EAN-2834[2331]; | TR.TG | S | PRT | |
| CANACO-BRANCO | TR.TG | PRT | |||
| CANIFANO | TR.TG | ESP | |||
| CANIVANO | TR.TG | ESP | |||
| CANNAMASCA | TR.TG | W | ITA | ||
| CANOCO | K-20663 | EAN-2801[2331]; | TR.TG | S;I | PRT |