| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| BTU,1 | BATUIRA[145][144][1281]; | TR.AE | S | BRA,MEX |
| BTY208 | BOUNTY-208[114][144][219][900][1281]; | TR.AE | S | USA |
| BTY309 | BOUNTY-309[114][144][900][1281]; | TR.AE | S | USA |
| BU,2 | BUBIA[115]; | TR.DR | S | MEX |
| BUC | BUCKBUCK[114][144][900][1281]; | TR.AE | S | MEX |
| BUHE | BUFFELHEAD[115][1281]; | TR.DR | S | MEX |
| BUI | BUITRE[114][144][900][1281]; | TR.AE | S,I | MEX |
| BUL | BULBUL[114][144][900][1281][1281]; | TR.AE | S | PAK |
| BUN | BUNTING[114][144][900][1281]; | TR.AE | S | MEX |
| BURI | BURRION[740][1281]; | TR.AE | S | MEX |
| BUT | BUTEO[114][144][900][1281]; | TR.AE | S | MEX |
| BVPU | BORDENAVE-PUAN-SAG[145][900][1281]; | TR.AE | I | ARG |
| BY,2 | BARRIGON-YAQUI[115][1281]; | TR.DR | S | MEX |
| BYN | BAYONET[176]; | TR.AE | S | AUS |
| BZA,1 | BONZA[144][900][1281]; | TR.AE | S | COL |
| C | CANDEAL[900] | TR.AE | S | MEX |
| C-1813 | ETHIOPIAN-DURUM | TR.DR | ||
| C-BUG | CAPRAZ-BUGDAY | TR.DR | S | TUR |
| CA,2 | CIPISTA | TR.DR | ||
| CAA | CRUZ-ALTA[145][900]; | TR.AE | S | BRA |