| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ROVAKI,TR.DR | TR.DR | GRC | |||
| ROVAKI,TR.TG | TR.TG | GRC | |||
| ROVENSKAYA | K-50408 | ERYTHROSPERMUM-7,ROVNO[413]; | TR.AE | S | UKR:Rovno |
| ROVENSKAYA-31 | ROVENSKA-31[2543]; | TR.AE | W | UKR:Rovno | |
| ROVENSKAYA-49 | K-54439 | TR.AE | W | UKR:Rovno | |
| ROVENSKAYA-60 | K-61217 | LUTESCENS-609-82[1369]; | TR.AE | S | UKR:Rovno |
| ROVENSKAYA-88 | K-59958 | TR.AE | W | UKR:Rovno | |
| ROVENSKAYA-970 | TR.DR | W | UKR:Rovno | ||
| ROVERS | TR.AE | S | |||
| ROVINI | AUS-1135 | TR.AE | ROM | ||
| ROVNYA | TR.SE | S | RUS:Vladimir | ||
| ROWAN | K-63193; PI-591924; AUS-25927; AUS-25587 | QT-4636[113][1335]; | TR.AE | S | AUS:Queensland |
| ROWDY | PI-591624 | W-91-091[1597][3292]; | TR.AE | W | USA:Indiana |
| ROWI | AUS-20000 | TR.AE | NZL | ||
| ROWLAND | TR.AE | W | USA | ||
| ROXANA | K-57603 | BU-22[670][667][1592]; | TR.AE | W | SVK |
| ROXO | TR.AE | BRA | |||
| ROY | K-56880; CI-17763 | NC-74-76[1318]; | TR.AE | W | USA:North-Carolina |
| ROYAL | K-62106,63630; CI-12258,12558; PI-351815 | D-85[1111][2331]; | TR.AE | W | USA:Illinois |
| ROYALDUR | TR.DR | GRC |