| Name | Campanula americana f. tubuliflora Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Campanula americana Linnaeus |
| GUID | urn:lsid:ipni.org:names:43924-2 |
| Citation | 1942 Rhodora 44: 458 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Campanula americana f. tubuliflora Fernald |
| Identification made in | [no date] (1) |