| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| BUCK-GLUTINO | TR.AE | S | ARG | ||
| BUCK-GUANCHEN | TR.AE | W | ARG | ||
| BUCK-GUAPO | TR.AE | S | ARG | ||
| BUCK-GUARANI | K-64260 | CM-73820-3-2-02-1-0ARG[1281]; CM-73820[1281]; CM-73820-0ARG[1765]; | TR.AE | S | ARG |
| BUCK-GUATIMOZIN | TR.AE | S | ARG | ||
| BUCK-HALCON | CM-905267Y-0M-04-3M-0Y-1-3-5-3[3589]; | TR.AE | S | ARG | |
| BUCK-HUANCHEN | TR.AE | S | ARG | ||
| BUCKIN | TR.AE | AUS | |||
| BUCKINGHAM | TR.AE | S | GBR | ||
| BUCK-KANHARD | CI-12575 | TR.AE | S | ARG | |
| BUCK-LA-DULCE | TR.AE | S | ARG | ||
| BUCKLENDORFERS-BRAUN | TR.AE | W | DEU | ||
| BUCKLENDORFERS-WEISS | TR.AE | W | DEU | ||
| BUCKLEY | AUS-27202; AUS-99215 | EC-9-6[1866]; | TR.AE | S | AUS:South-Australia |
| BUCK-MAIPU | MAIPU[2331]; | TR.AE | S | ARG | |
| BUCK-MALEVO | TR.AE | S | ARG | ||
| BUCK-MANANTIAL | K-51064; AFRC-649; PI-344455; AUS-2019 | BUCK-MANANTIAL-CB-23(K-47941)[541]; MANANTIAL[761]; | TR.AE | S | ARG:Buenos-Aires |
| BUCK-MANGRULLO | TR.AE | S | ARG | ||
| BUCK-MAPUCHE | PI-606317 | TR.AE | S | ARG | |
| BUCK-MATACO | TR.AE | S | ARG |