| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| RPBU | ROUGE-PROLIFIQUE-BARBU[1281]; | TR.AE | FRA | |
| RPR | ROUGE-PROLIFIQUE[1281]; | TR.AE | FRA | |
| RGE | ROUGE[1281]; | TR.AE | FRA | |
| RRI | ROUGHRIDER[1281]; | TR.AE | USA | |
| ROV166 | ROV-166[1281]; | TR.AE | ||
| R37 | ROW-37[1281]; | TR.AE | ||
| RYL | ROYAL[1281]; | TR.AE | USA | |
| RR21 | RR-21[1281]; | TR.AE | S | NPL |
| RS1 | RS-1-FENIX[1281]; | TR.AE | S | BRA |
| RS18 | RS-18[1281]; | TR.AE | S | BRA |
| RS2 | RS-2-SANTA-MARIA[1281]; | TR.AE | S | BRA |
| RS3 | RS-3-PALMEIRA[1281]; | TR.AE | S | BRA |
| RS31 | RS-31-1[1281][1324]; | TR.AE | S | IND |
| RS4 | RS-4-IBIRAIARAS[1281]; | TR.AE | S | BRA |
| RS.491 | RS-491[1281]; | TR.AE | S | BRA |
| RS8 | RS-8-WESTPHALEN[1765] | TR.AE | S | BRA |
| RUL | RUBIAL-DE-LIBANA[1281]; | TR.AE | ESP | |
| RMDT | RUBIO-DE-MONTIJO[1281]; | TR.AE | ESP | |
| RUBS | RUBIS[1281]; | TR.AE | SWE | |
| RUBY-C | RUBY,CAN[1281]; | TR.AE | CAN |