| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| RHS | RED-HUSSAR[1281]; | TR.AE | AUS | |
| RIKG | RED-INDIAN-KING[1281]; | TR.AE | AUS | |
| RI,1 | RED-INDIAN[1281]; | TR.AE | USA | |
| RDM | RED-MAY[1281]; | TR.AE | USA | |
| RRC | RED-ROCK[1281]; | TR.AE | USA | |
| RR | RED-RUSSIAN[1112][1281]; | TR.AE | SUN | |
| RSTR | RED-STAR[1281]; | TR.AE | ||
| RWT | RED-WINTER[1281]; | TR.AE | USA | |
| RWN | RED-WONDER[1281]; | TR.AE | USA | |
| REDBIL | REDBILL[3692]; | TR.DR | S | MEX |
| RC,1 | REDCHAFF[1281]; | TR.AE | USA | |
| RCH | REDCHIEF[1281]; | TR.AE | USA | |
| RCT | REDCOAT[1281]; | TR.AE | USA | |
| RH3 | REDHART-3[1281]; | TR.AE | USA | |
| RH4 | REDHART-4[1281]; | TR.AE | USA | |
| RH5 | REDHART-5[1281]; | TR.AE | USA | |
| RD,1 | REDHART[1281]; | TR.AE | USA | |
| RHL | REDHULL[1281]; | TR.AE | USA | |
| RJ | REDJACKET[1112][1281]; | TR.AE | USA | |
| RDN-C | REDMAN,CAN[1281]; | TR.AE | CAN |