| Chaerophyllum creticum Boiss. & Heldr. |
Apiaceae |
| Chamaecytisus spinescens (C. Presl) Rothm. subsp. creticus (Boiss. & Heldr.) K. I. Chr. |
Fabaceae |
| Chondrilla ramosissima Sm. |
Asteraceae |
| Cirsium morinifolium Boiss. & Heldr. |
Asteraceae |
| Clematis elisabethae-carolae Greuter |
Ranunculaceae |
| Colchicum cretense Greuter |
Colchicaceae |
| Conium divaricatum Boiss. & Orph. |
Apiaceae |
| Convolvulus argyrothamnos Greuter |
Convolvulaceae |
| Corydalis uniflora (Sieber) Nyman |
Fumariaceae |
| Cotoneaster creticus J. Fryer & B. Hylmö |
Rosaceae |
| Crepis auriculifolia Spreng. |
Asteraceae |
| Crepis fraasii Sch. Bip. subsp. mungieri (Boiss. & Heldr.) P. D. Sell |
Asteraceae |
| Crepis neglecta L. subsp. cretica (Boiss.) Hayek |
Asteraceae |
| Crepis sibthorpiana Boiss. & Heldr. |
Asteraceae |
| Crepis tybakiensis Vierh. |
Asteraceae |
| Crocus cartwrightianus Herb. |
Iridaceae |
| Crocus laevigatus Bory & Chaub. |
Iridaceae |
| Crocus sieberi J. Gay |
Iridaceae |
| Crocus tournefortii J. Gay |
Iridaceae |
| Cuscuta atrans Feinbrun |
Convolvulaceae |
| Cyclamen confusum (Grey-Wilson) Culham, Jope & P. Moore |
Primulaceae |
| Cyclamen creticum (Dörfl.) Hildebr. |
Primulaceae |
| Cyclamen graecum Link subsp. candicum Ietsw. ex Grey-Wilson |
Primulaceae |
| Cymbalaria microcalyx (Boiss.) Weitst. subsp. heterosepala (Cufod.) Speta |
Veronicaceae |
| Cynoglossum sphacioticum Boiss. & Heldr. |
Boraginaceae |
