| Calamagrostis canadensis Bluejoint View 1 images |  |
| Carya ovata Shagbark hickory View 4 images |  |
| Caltha palustris Yellow marsh marigold View 8 images |  |
| Carex pensylvanica Pennsylvania sedge View 3 images |  |
| Campanula rotundifolia Bluebell bellflower View 19 images |  |
| Carex stipata Owlfruit sedge View 1 images |  |
| Ceanothus americanus New jersey tea View 21 images |  |
| Celtis occidentalis Common hackberry View 2 images |  |
| Cephalanthus occidentalis Common buttonbush View 26 images |  |
| Celastrus scandens American bittersweet View 4 images |  |
