| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| BUCHANAN | K-63537; PI-532994; | WA-007523[1212]; N-8402101[1212]; | TR.AE | W | USA:Washington,Oregon |
| BUCHERS-BEGRANNTER | K-35666 | TR.AE | W | DEU | |
| BUCHERS-BEGRANNTER-ZUCHT | TR.AE | W | DEU | ||
| BUCHERS-ZUCHTWEIZEN | K-40547; | TR.AE | W | DEU | |
| BUCHINGER | TR.AE | W | AUT | ||
| BUCIANSKA | K-42651; PI-428663 | TR.AE | S | SVK | |
| BUCIANSKA-100-79 | BU-100-79[761]; | TR.AE | W | SVK | |
| BUCIANSKA-106 | K-54759 | BU-106[000]; | TR.AE | W | SVK |
| BUCIANSKA-11 | K-54811 | BU-11[761]; | TR.AE | W | SVK |
| BUCIANSKA-13 | K-54812 | BU-13[761]; BUCANY-13[541]; | TR.AE | W | SVK |
| BUCIANSKA-16 | BU-16[761]; | TR.DR | W | SVK | |
| BUCIANSKA-16-438 | K-54807 | 16-438[541]; BU-16-438[000]; | TR.AE | W | SVK |
| BUCIANSKA-19 | K-56364 | BU-19[761]; | TR.AE | W | SVK |
| BUCIANSKA-202 | K-54760 | BU-202[000]; | TR.AE | W | SVK |
| BUCIANSKA-21 | BU-21[576]; | TR.AE | W | SVK | |
| BUCIANSKA-23 | BU-23[761]; | TR.AE | W | SVK | |
| BUCIANSKA-24 | BU-24[669][670]; | TR.AE | W | SVK | |
| BUCIANSKA-26 | K-60093 | BU-26[761]; | TR.AE | W | SVK |
| BUCIANSKA-30 | BU-30[761]; | TR.AE | W | SVK | |
| BUCIANSKA-316 | K-54761 | BU-316[000]; | TR.AE | W | SVK |