| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| CRIOLLO-MUMAPIO-DE-PALESTINA | K-31960 | TR.AE | S | GTM | |
| CRISANA | TR.AE | W | ROM | ||
| CRISPIERO | TR.DR | S | ITA:Macerata | ||
| CRISPUS | CD-82834[1281][3692]; | TR.DR | S | MEX | |
| CRISTALINO | K-48238; | DIAMANTINO[145]; CRISTALINO-DE-CHILE[115][851]; | TR.DR | S | CHL |
| CRISTATA | CYD-84.313[1281][3692]; | TR.DR | S | MEX | |
| CRISTATUS | CM-17046[3692]; | TR.DR | S | MEX | |
| CRISTINA | AUS-24788 | CM-31678-R-4Y-2M-21Y-0M-0PER[114][144]; | TR.AE | S | PER |
| CRISTO | ERGE-4981 | TR.AE | W | FRA | |
| CRITERIUM | ERGE-4982 | TR.AE | W | FRA | |
| CRIZA-4 | K-39322 | TR.DR | S | ISR | |
| CRL-76002 | K-62388 | TR.AE | W | USA | |
| CRL-76085 | K-62713 | TR.AE | W | USA | |
| CRL-77022 | K-62389 | TR.AE | W | USA | |
| CRL-77025 | K-62390 | TR.AE | W | USA | |
| CRL-77049 | K-62391 | TR.AE | W | USA | |
| CRL-79036 | K-62392 | TR.AE | W | USA | |
| CRL-81025 | K-62393 | TR.AE | W | USA | |
| CRN-826 | TR.AE | S | ZAF | ||
| CROC | CD-20626[541]; | TR.DR | S | MEX |