CCDB → Angiosperms → Campanulaceae → Hippobroma
| Taxon name | Status | Median (n) |
| Hippobroma longiflora (L.) G. Don | Accepted | 14 |
| Isotoma longiflora (L.) C. Presl | Synonym of Hippobroma longiflora (L.) G. Don | 14 |
| Laurentia longiflora (L.) Peterm. | Synonym of Hippobroma longiflora (L.) G. Don | 14 |