| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ROYAL-JUBILEE | TR.AE | W | GBR | ||
| ROYAL-RED-CLAWSON | POOLE[39][1110]; | TR.AE | W | USA | |
| ROYO | TR.AE | ||||
| ROYO-BARBO | AUS-7465 | TR.AE | MEX | ||
| ROYO-DE-PAMPLONA | PI-191202; | TR.AE | W | ESP | |
| ROYO-ESTAVA | TR.AE | ESP | |||
| ROYSSAC | TR.AE | W | FRA | ||
| ROZALIYA | TR.AE | S | BLR | ||
| ROZKISHNA | ROZKISHNA[4320]; | TR.AE | W | UKR:Kharkov | |
| ROZMAI | TR.AE | W | UKR:Odessa | ||
| ROZOVSKAYA-5 | TR.AE | W | UKR | ||
| ROZU | TR.AE | W | MDA | ||
| RP-10717-M4-M2-RP-01-TM | PI-520142 | TR.AE | S | ZAF | |
| RP-4492-M4-M1-RP4-TM | PI-520141; PI-520144 | TR.AE | S | ZAF | |
| RP-5113-M4-M1-RP3-TM | PI-520176 | TR.AE | W | ZAF | |
| RP-5113-M-M1-RP11-TM | PI-520177 | TR.AE | S,W | ZAF | |
| RP-5678-M1-M9-RP12-TM | PI-520178 | TR.AE | S | ZAF | |
| RP-6429-M7-M2-RP-01-TM | PI-520143 | TR.AE | S | ZAF | |
| RPB-1025-78 | TR.AE | W | GBR | ||
| RPB-111-72-H | TR.AE | GBR |