| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Campanulaceae | Campanula | Bellflower |  (c) Bradley, Keith | ||
| Campanulaceae | Campanulastrum | American-bellflower |  (c) Bradley, Keith | ||
| Campanulaceae | Hippobroma |  (c) Bradley, Keith | |||
| Campanulaceae | Jasione | Sheep's-bit |  (c) Löhr, Kai - CC-BY | ||
| Campanulaceae | Legousia | Venus's Looking-Glass | On ballast. | Native of Europe. |  (c) Bas, Yves - CC-BY |
| Campanulaceae | Lobelia | Lobelia |  (c) Cressler, Alan M. | ||
| Campanulaceae | Palustricodon | Marsh-bellflower |  (c) Ksepka, Jason - CC-BY | ||
| Campanulaceae | Platycodon | Japanese Bellflower, Balloonflower |  (c) Wildfire, Luke - CC-BY | ||
| Campanulaceae | Protocodon |  (c) Leach, The - CC-BY-NC | |||
| Campanulaceae | Rotanthella | Florida-bellflower |  (c) Bradley, Keith | ||
| Campanulaceae | Triodanis | Venus's Looking-glass |  (c) Bradley, Keith | ||
| Campanulaceae | Wahlenbergia | Wahlenbergia |  (c) Bradley, Keith |