| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| CRD | CORDIAL[900][1281]; | TR.AE | W | FRA |
| CRE | CHAE-RAE[900][1281]; | TR.AE | W | KOR |
| CRI | CRISTALINA-TABOADA[900][1281]; | TR.AE | ||
| CRM | CHRISMAR[900][1281]; | TR.AE | S | FRA |
| CPPL | CAPPELLE[900][1281]; | TR.AE | W | FRA |
| CHRK | SHARK[900][1281]; | TR.DR | W | AZE |
| CHUL | CHUL-BIDAI[900][1281]; | TR.AE | S | SUN |
| CK47-27 | COKER-47-27[900] | TR.AE | I | USA |
| CK59-11 | COKER-59-11[900] | TR.AE | I | USA |
| CK61-19 | COKER-61-19[900] | TR.AE | I | USA |
| CK65-20 | COKER-65-20[900] | TR.AE | W | USA |
| CK68-8 | COKER-68-8[900][1281]; | TR.AE | W | USA |
| CRP | CIRPIZ[900][1281]; | TR.AE | W | TUR |
| CRS,1 | CERES[900] | TR.AE | W | ROM |
| CRS,2 | CERES[900] | TR.AE | S | USA |
| CRTT | COURTOT[900][1281]; | TR.AE | W | FRA |
| CRUN | CROSS UNKNOWN[900] | |||
| CRW | CURRAWA[900][1281]; | TR.AE | S | AUS |
| CRWN | CRIEWENER[900][1281]; | TR.AE | W | DEU |
| CSC | CASCON[900][1281]; | TR.AE | S | ESP |