| Cercis canadensis Eastern redbud View 21 images |  |
| Ceanothus herbaceus Redroot View 9 images |  |
| Celtis laevigata Sugar hackberry View 7 images |  |
| Cephalanthus occidentalis Common buttonbush View 26 images |  |
| Cissus trifoliata Cow-itch vine View 8 images |  |
| Clematis pitcheri Purple clematis View 25 images |  |
| Cocculus carolinus Carolina snailseed View 29 images |  |
| Conoclinium coelestinum Blue mistflower View 25 images |  |
| Cornus drummondii Roughleaf dogwood View 30 images |  |
| Commelina erecta var. erecta Day flower View 7 images |  |
