| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| Cor | COLOROW[1112] | |||
| Clt | COLOTANA[1112] | |||
| Clm | COLUMBIA[1112] | |||
| Cmn | COMANCHE[1112] | |||
| Ct | COMET[1112] | |||
| Cch | CONCHO[1112] | |||
| Cly | CONLEY[1112] | |||
| Ctd | CONTENDER[1112] | |||
| Cv | CONVERSE[1112] | |||
| Cpr | COOPERATORKA[1112] | |||
| Cp | COPPEI[1112] | |||
| Cnl595 | CORNELL-595[1112] | |||
| Con | CORONATION[1112] | |||
| Ctt | CROCKETT | |||
| Crw | CURRAWA[1112] | |||
| Cr | CURRELL[1112] | |||
| Cps | CYPRESS[1112] | |||
| Dk | DAKOTA[1112] | |||
| Ds | DAWSON[1112] | |||
| Df | DEFIANCE[1112] |