| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| CORAL,USA | PI-658527 | MSU-LINE-E-2017[2965]; E-2017[3709][3713]; E-2017-R-[3713]; E-2017-R-2[3713]; | TR.AE | W | USA:Michigan |
| CORANO | TR.AE | DEU | |||
| CORAZON-DE-MARIA | TR.AE | S | CHL | ||
| CORBEIL | RICP-01C0106224 | TR.AE | W | BEL | |
| CORBETTA | TR.AE | S | CHE | ||
| CORBIN | PI-648028 | BZ-996-434[3265]; | TR.AE | S | USA:Montana |
| CORDIAL | K-51951; PI-339843; ERGE-2076; | TR.AE | W | FRA | |
| CORDIALE | AFRC-10003 | CPBT-W-83[000]; | TR.AE | W | GBR |
| CORDILLERA | CM-33027-F-12M-1Y-6M-0Y-0PRY[114]; CM-33027[114]; | TR.AE | S | PRY | |
| CORDILLERA-3 | K-62196 | CM-33027-F-12M-1Y-6M-0Y-0PRY[144][145][1765]; | TR.AE | S | PRY |
| CORDILLERA-4 | MN-72131[116][145]; MINNESOTA-72131[000]; CM-50309[1281]; MN-72-131[000]; | TR.AE | S | PRY | |
| CORDOBA | THA-2803[3589]; CMSS06B00640S-0Y-099ZTM-099Y-099M-7WGY-0B-1Esc-1Con-1Esc[3589]; | TR.AE | ESP | ||
| CORDONE | TR.TG | W | ITA | ||
| COREEN | CI-8433; AUS-2188; AUS-1897 | BATHURST-8[39][1138]; | TR.AE | I | AUS:New-South-Wales |
| CORELLA | PI-495815; AUS-22655; AFRC-6855 | WW-246[113][1350]; XL-75[113]; WAGGA-WAGGA-246[113]; | TR.AE | S | AUS:New-South-Wales |
| CORIENTE-DE-JACA | TR.AE | ESP | |||
| CORIN | K-55353; PI-422223; PI-447044; AFRC-3156 | RPB-155-69[40][421]; | TR.AE | W | GBR:England |
| CORINNE-87 | CM-65045[1551]; | TR.AE | MDG | ||
| CORINO | TIW-623[4136]; | TR.SE | W | DEU | |
| CORINTHIAN | K-59657; AFRC-6809 | NFC-91-20[1346]; | TR.AE | W | AUT |