| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| CHIWORE | AUS-25120 | F-71092-8[511]; CM-10745[1551][2837]; | TR.AE | W | ZWE |
| CHIXIAOMAI | TR.AE | W | CHN | ||
| CHIYACAO | TR.AE | W | CHN | ||
| CHI-YAN-SZHI-FON-ME | K-42967 | TR.AE | I | CHN:Hunan | |
| CHIZI | TR.AE | S | CHN:Fujian | ||
| CHKALOVSKAYA-14 | TR.AE | W | RUS:Orenburg | ||
| CHLEF | CM-8399-0EGY[706]; | TR.AE | S | DZA | |
| CHLORINA-1 | TR.AE | ||||
| CHLORINA-214 | TR.AE | ||||
| CHLORINA-448 | TR.AE | ||||
| CHLOROPUS | CD-80386[1281][3692]; | TR.DR | S | MEX | |
| CHLUMECKA-12 | K-27071; K-44792; PI-182849 | DREGEROVA-CESKA-CERVENKA-12[39][1592]; DREGEROVA-CERVENA-12[39]; DREGEROVA-12[851]; DREGERS-12[541]; DREGEROVA-CESKA-12[1228][1592]; DREGERS-ROTER-BOEHMISCHER-12[1592]; DREGEROVA-PUVODNI-PSENICE-OZIMA-C.12[1592]; | TR.AE | W | CZE:Cechy |
| CH-MATRO | TR.AE | S | CHE | ||
| CH-NARA | TR.AE | W | CHE | ||
| CHNOUDOTSOMBATO | TR.TG | GRC | |||
| CHO-587 | TR.AE | W | POL | ||
| CHOC | K-63330 | TR.AE | W | FRA | |
| CHOCILOWSKA | E-0447 | TR.AE | W | POL | |
| CHOCOYO-88 | SWM-1209[2964]; | TR.AE | S | GTM | |
| CHOFFEE | CI-12910 | TR.AE | S | USA:North-Dakota |