| Name | Howellia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Campanulaceae |
| Contains | Howellia aquatilis A. Gray Howellia sp. |
Copyright © 2013 The President and Fellows of Harvard College | Accessibility
| Name | Howellia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Campanulaceae |
| Contains | Howellia aquatilis A. Gray Howellia sp. |