| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ROODSTRO-TARWE | RED-STRAW-WHEAT[233]; BRUINSTRO-TARWE[233]; | TR.AE | W | NLD | |
| ROOI-DIEDERICKS | DIEDERICKS[39]; | TR.AE | ZAF | ||
| ROOI-EGIPTIES-472 | AUS-3297 | TR.AE | ZAF | ||
| ROOI-INDIES | K-60334 | TR.AE | S | ZAF | |
| ROOIJE-TARWE | MARYGOLD-RED[233]; BLUMENWEIZEN[233]; | TR.AE | NLD | ||
| ROOI-KAALKOREN | K-60324; PI-45383,42406; CI-6070,5041 | TR.AE | S | ZAF | |
| ROOI-KLEINKORING | PI-42395; CI-5030; PI-45371; CI-6058 | ROOI-KLEIN-KORING[946]; ROOI-KLEIN-KOREN[542]; KLEIN-ROOI-KOREN[2965]; | TR.AE | ZAF | |
| ROOI-LLAMA | AUS-1124 | TR.AE | S | ZAF | |
| ROOI-SPITSKOP | SPITSKOP-ROOI[851]; | TR.AE | I | ZAF | |
| ROOI-VICTORIA | VAN-EEDENS[39]; | TR.AE | W | ZAF | |
| ROOI-WOLKOREN | K-27228; PI-38629; CI-4189; AUS-1127 | WOLKOREN[000]; | TR.AE | S | ZAF |
| ROOMY | CM-52139-2AP-2AP-1AP-4AP-1AP-0AP[1281]; | TR.AE | S | MEX,SYR | |
| ROOSEVELT | FULTZ[39][1110]; | TR.AE | W | USA | |
| ROOSTER | PI-592132; AFRC-6826 | MMG-0478-10-1[759][4325]; | TR.AE | W | GBR:England |
| ROQUE-66 | K-47116; AUS-12295 | TR-810352-4R-1R-1R-0R[1281]; TR-810352[1281]; | TR.AE | S | MEX |
| ROQUE-73 | K-60789; BW-1495; AUS-17221 | ROQUE-F-73[3349]; II-18883-6M-6R-11C-1Y-0MEX[114][144]; | TR.AE | S | MEX |
| ROQUENO | TR.DR | S | ESP | ||
| ROQUE-RESELECTION | AUS-15559 | TR.AE | S | MEX | |
| ROQUET | TR.AE | FRA | |||
| ROQUILLO | XR-770063[3692]; | TR.SE | MEX |