| 1 | Clematis | occidentalis var. occidentalis | Purple Clematis | Buttercup Family | Ranunculaceae | Magnoliopsida |
| 2 | Clematis | ochroleuca | Curlyheads | Buttercup Family | Ranunculaceae | Magnoliopsida |
| 3 | Clematis | terniflora | Sweet Autumn Virginsbower | Buttercup Family | Ranunculaceae | Magnoliopsida |
| 4 | Clematis | viorna | Vasevine | Buttercup Family | Ranunculaceae | Magnoliopsida |
| 5 | Clematis | virginiana | Devil's Darning Needles | Buttercup Family | Ranunculaceae | Magnoliopsida |
| 6 | Clematis | vitalba | Evergreen Clematis | Buttercup Family | Ranunculaceae | Magnoliopsida |