| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| CG423 | CARGILL-423[1281]; | TR.AE | S | ARG |
| CG501 | CARGILL-501[1281]; | TR.AE | S | ARG |
| CG800 | CARGILL-800[1281]; | TR.AE | S | ARG |
| CAR422 | CARIANCA-422[1281]; | TR.AE | CHL | |
| CAR853 | CARIANCA-853[1281]; | TR.AE | CHL | |
| CARIB | CARIBLANCA[1281]; | TR.DR | S | MEX |
| CARGO | CARR-GOOSE[1281]; | TR.DR | S | MEX |
| CONA1 | CARRETONA-1[1281]; | TR.DR | S | MEX |
| CONA2 | CARRETONA-2[1281]; | TR.DR | S | MEX |
| CONA,2 | CARRETONA[1281]; | TR.DR | S | MEX |
| CTVIII | CARSTEN-VIII[1281]; | TR.AE | DEU | |
| CASCA | CASCADENA[1281]; | TR.DR | S | MEX |
| CASM1 | CASM-1[1281]; | TR.DR | S | MEX |
| CASM2 | CASM-2[1281]; | TR.DR | S | MEX |
| CASM3 | CASM-3[1281]; | TR.DR | S | MEX |
| CASM4 | CASM-4[1281]; | TR.DR | S | MEX |
| Ro44 | RAMONA-44[1112] | |||
| CASM | CASMERODIUS[1281]; | TR.DR | S | MEX |
| CYB | CAYAMBE-73[1281]; | TR.AE | S | ECU |
| CB100 | CB-100[1281]; | TR.AE | CAN |