| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| QL | QUELELE[114][144][1281]; | TR.AE | S | ECU |
| QLL | QUILLAY-INIA[145][1281]; | TR.AE | S | CHL |
| QMR | QUIMORI-79[144][1281]; | TR.AE | S | BOL |
| QRN | QUARRION[176]; | TR.AE | W | AUS |
| RABI,1 | RABICORNO[115]; | TR.DR | S | MEX |
| RAF | RAFAELA[144][1281]; | TR.AE | S | ARG |
| RAF6 | RAFAELA-6-MA[145][1281]; | TR.AE | S | ARG |
| RAFMAG | RAFAELA-MAG[145] | TR.AE | S | ARG |
| RALA | RASPINEGRO-DEALCALA | TR.DR | ||
| RAM,1 | RAM[1281]; | TR.AE | W | USA |
| RAU | RALLU[115][1281]; | TR.DR | S | MEX |
| RB,1 | RED-BOBS[1112][1281]; | TR.AE | S | CAN |
| RBC | REICHENBACHII[1281]; | TR.DR | TUR | |
| RBS47.51 | RIEBESEL-47.51 | TR.DR | ||
| RCA,1 | RICANA-1228[1281]; | TR.AE | S | BRA |
| RCFN | RANCOFEN[145][1281]; | TR.AE | S | CHL |
| RCI | RICCIO[145][1281]; | TR.AE | S | ITA |
| RCM | RENACIMIENTO[145][1281]; | TR.AE | S | URY |
| RCO | RACO[145][1281]; | TR.AE | S | CHL |
| RCOR | RUBIO-DE-CORDOBA[1281]; | TR.DR | S | ESP |