| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| CANOCO-BRANCO | PI-185721 | BRANCO[39][3094]; | TR.TG | S | PRT |
| CANOCO-DE-GRAO-ESCURO,TR.TG | PI-18576; | TR.TG | S | PRT | |
| CANORO-DE-GRAO-ESCURO | K-42266 | TR.TG | S | PRT | |
| CARBONARIO | K-21409 | TR.TG | W | ITA | |
| CAROSA-BIANCA | TR.TG | W | ITA | ||
| CAROSELLONE-DEL-MOLISE | TR.TG | ITA | |||
| CARRICHES | TR.TG | ESP | |||
| CASCALVO,ESP | CASCAL[39]; | TR.TG | S | ESP | |
| CASEDDA | TR.TG | W | ITA | ||
| CAXUDO | AUS-15490 | TR.TG | PRT | ||
| CENTO-A-TOMOLO | TR.TG | W | ITA | ||
| CHAFER | K-43158 | TR.TG | W | ALB | |
| CHAUCHO-OVALLE | TR.TG | S | CHL | ||
| CHEMOSAR | K-18663 | TR.TG | I | AZE:Nakhichevan | |
| CHERNOUSKA,AZE | K-15125 | TR.TG | I | AZE | |
| CHILE,ESP | TR.TG | ESP | |||
| CHIRIGAN | K-40754 | TR.TG | S | BGR | |
| CHNOUDOTSOMBATO | TR.TG | GRC | |||
| CHONDROSTARO | TR.TG | GRC | |||
| CHUDESNAYA-BLAGODAT | K-09276; K-10342; PI-349056 | TR.TG | S | ARM |