| Cenchrus setaceus |
Fountain Grass |
| Centaurea cineraria |
Velvet Centaurea |
| Centaurea cyanus |
Bachelor's Button; Bachelor's Buttons; Cornflower; Corn Flower |
| Centaurea gymnocarpa |
Velvety Centaury |
| Centaurea rutifolia |
Dusty Miller |
| Centaurium pulchellum |
Pink Centaury; Lesser Centaury |
| Centranthus macrosiphon |
Long-Spurred Valerian; Pretty Betsy; Sugar Plum |
| Centranthus ruber ruber |
Red Valerian; Red Valerian; Devil's Beard; Jupiter's Beard |
| Cephalops varius |
|
| Ceraphron |
|
| Cerastium glomeratum |
Clammy Chickweed; Larger Mouse-Ear Chickweed; Sticky Mouse-Ear Chickweed; Sticky Mouse Ear |
| Cerastium holosteoides |
Big Chickweed; Mouse-Ear Chickweed |
| Cerastoderma edule |
Common European Cockle; |
| Cerataphis brasiliensis |
|
| Cerataphis lataniae |
|
| Ceratitis capitata |
Mediterranean Fruit Fly |
| Ceratobaeus binotatus |
|
| Ceratonia siliqua |
Carob Tree; St. John's Bread; St. Johns Bread |
| Cercis siliquastrum |
Judas Tree |
| Cercyon depressus |
|
| Cercyon praetextatus |
|
| Cereus hildmannianus uruguayanus |
Hedge Cactus; Peruvian Apple Cactus; Tree Cactus, Andes Organ Pipe |
| Cerobasis guestfalica |
|
| Cerodontha dorsalis |
|
| Ceropegia mixta |
Carrion Flower |
| Ceroplastes cirripediformis |
Barnacle Scale; Barnacle Wax Scale |
| Ceroplastes floridensis |
Florida Wax Scale |
| Ceroplastes sinensis |
Chinese Wax Scale |
| Cestrum nocturnum |
Night Blooming Cestrum |
| Cestrum parqui |
Chilean Jessamine; Willow-Leaved Jessamine; Green Cestrum |
