| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| CK762 | COKER-762[1281]; | TR.AE | USA | |
| CK797 | COKER-797[1281]; | USA | ||
| CK833 | COKER-833[1281]; | TR.AE | USA | |
| CK9024 | COKER-9024[1281]; | TR.AE | USA | |
| CK9105 | COKER-9105[1281]; | TR.AE | USA | |
| COLIN | COLINEGRA[1281]; | TR.DR | S | MEX |
| CINTA | COLIPINTA[1281]; | TR.DR | S | MEX |
| CSST | COLLEGE-SOLID-STRAW-TUSCA[1281]; | TR.AE | NZL | |
| CLNS | COLONIAS[1281]; | TR.AE | S | BRA |
| CADO1 | COLORADO-DW-1[1281]; | TR.DR | S | MEX |
| CADO,1 | COLORADO,MEX[1281]; | TR.DR | S | MEX |
| CLT296 | COLOTANA-296[1281]; | TR.AE | S | BRA |
| CLMS | COLUMBUS[1281]; | TR.AE | CAN | |
| COM11 | COM-11[1281]; | TR.AE | ||
| 1879 | COM-NMT-X-MEN[1281]; | TR.AE | USA | |
| COME | COMANCHE-B[1281]; | TR.AE | S | MEX |
| COMDK | COMB-DUCK[1281]; | TR.DR | S | MEX |
| CMBK | COMEBACK[1281]; | TR.AE | AUS | |
| CMPT | COMPTON[1281]; | TR.AE | USA | |
| CDLR | CORDILLERA[1281]; | TR.AE | S | PRY |