| Name | Howellia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Campanulaceae |
| Contains | Howellia aquatilis A. Gray Howellia limosa Greene Howellia sp. Howellia valdiviana (Phil.) E.Wimm. |
| Name | Howellia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Campanulaceae |
| Contains | Howellia aquatilis A. Gray Howellia limosa Greene Howellia sp. Howellia valdiviana (Phil.) E.Wimm. |