| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| CDB | CLARO-DE-BALAZOTE[900][1281]; | TR.DR | S | ESP |
| CDCR | CRIOLLO-DE-COSTA-RICA[900][1281]; | TR.AE | S | MEX |
| CDD | CADDO[900][1281]; | TR.AE | W | USA |
| CDN | CARDON[900][1281]; | TR.AE | W | USA |
| CDR | CEDAR[900][1281]; | TR.AE | S | AUS |
| CE | CHILE-1-B[900][1281]; | TR.AE | S | KEN |
| CDT,2 | CADET,USA[900] | TR.AE | S | USA |
| CER | CERCO[900][1281]; | TR.AE | W | USA |
| CFK | CHIEFKAN[900][1281]; | TR.AE | W | USA |
| CG | CARGILL[900] | TR.AE | W | USA |
| CGFG | CHING-FONG[900][1281]; | TR.AE | W | CHN |
| CGHG6 | CHING-HUNG-6[900][1281]; | TR.AE | W | CHN |
| CGK | CHUGOKU[900][1281]; | TR.AE | W | JPN |
| CGM | CHUNGGEMIL[900][1281]; | TR.AE | W | KOR |
| CGT | CARGILL-TRIGAL[900][1281]; | TR.AE | S | ARG |
| CH53 | CHAPINGO-53[900][1281]; | TR.AE | S | MEX |
| CHAR | CHALLAY-RIDLEY-48[900][1281]; | TR.AE | W | CHL |
| CHB | CHENAB-70[900][1281]; | TR.AE | S | PAK |
| CHBB | CHUMPI-BARBA-BLANCA[900][1281]; | TR.AE | S | PER |
| CHBN | CHUMPI-BARBA-NEGRO[900][1281]; | TR.AE | S | PER |