| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| BUCK-TAITA | TR.AE | S | ARG | ||
| BUCK-TANDIL | K-43138; PI-213677 | TANDIL[2331]; LINE-2-10-5-2-2[2331]; | TR.AE | S | ARG:Buenos-Aires |
| BUCK-TILCARA | TR.AE | S | ARG | ||
| BUCK-TOPACIO | ALD-23-1-2[3589]; | TR.DR | S | ARG | |
| BUCKY | II-21386[114][144]; | TR.AE | S | ECU | |
| BUCK-YAPEYU | K-64262 | TR.AE | S | URY | |
| BUCK-YATASTO | 16248-10-1-6-4[3589]; | TR.AE | S | ARG | |
| BUCOPA-I | K-57999 | BUKOPA-I[541]; | TR.AE | S | USA |
| BUCOPA-II | K-57998 | BUKOPA-II[541]; | TR.AE | S | COL |
| BUCOVINA | K-57277; AFRC-7144 | BUKOVINA[541]; | TR.AE | W | ROM |
| BUCOVINA-76 | K-56338 | TR.AE | W | ROM | |
| BUCSA-1 | K-43620 | TR.AE | W | HUN | |
| BUCSA-3 | K-43621 | TR.AE | W | HUN | |
| BUCSAI-3 | K-49779 | TR.AE | W | HUN | |
| BUCSANYI-20 | SZEGED-4[2535]; | TR.AE | W | HUN | |
| BUCUPA-C-2 | K-46108; | VISIRA-S2[541]; | TR.DR | S | DZA |
| BUCUR | RICP-01C0106187 | TR.AE | W | ROM | |
| BUCURESTI-1 | K-49841; K-45217; K-46594; AUS-17597 | BUCHAREST-1[541]; | TR.AE | W | ROM |
| BUDAUN-BAHAMARIA-WHITE | TR.AE | S | IND | ||
| BUDAUN-RATNA | TR.AE | S | IND |