| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| BT-SrWDR | K-61229 | TR.AE | S | USA:Maine | |
| BT-SrWld-WDR | PI-519443 | TR.AE | S | USA:Minnesota | |
| BTSSKHI-1-ULUCHSHENNAYA | TR.AE | W | UKR:Kiev | ||
| BU-1,IND | K-24039 | TR.AE | W | IND | |
| BU-1,SVK | BUCIANSKA-1[000]; | TR.AE | W | SVK | |
| BU-2 | BUCIANSKA-2[000]; | TR.AE | W | SVK | |
| BU-27 | K-60308 | BUCIANSKA-27[000]; | TR.AE | W | SVK |
| BU-ABH-41 | TR.AE | W | SVK | ||
| BUBAK | TR.AE | S | IND | ||
| BUBERUKA | TR.AE | RWA | |||
| BUBI | PI-326328; AUS-14374 | S-891-A-5[2331]; | TR.AE | S | ZWE |
| BUBIA | CD-28146[3692]; | TR.DR | S | MEX | |
| BUBYE | K-57283 | 68-11-AO-B-73[2331]; | TR.AE | W | ZWE |
| BUCA-NERA-UNBEHAART-ROT | K-40837 | TR.TG | W | DEU | |
| BUCARELLI-58 | K-47107; | BUCARELI[39]; | TR.AE | S | MEX |
| BUCA-VERA | TR.AE | W | |||
| BUCCANEER | W-30[4136]; | TR.AE | W | GBR | |
| BUCEPHALA | CD-28166[1281][3692]; | TR.DR | S | MEX | |
| BUCEPHALA-S | AUS-23784 | CD-28166-F-1M-1Y-4Y-00M[113]; | TR.DR | S | MEX |
| BUCHAN | AFRC-9472 | TR.AE | W | GBR |