| Name | Navicula otrantina (Rabenhorst) Ralfs |
| Authorship | (Rabenhorst) Ralfs |
| Rank | Species |
| Placed in | Navicula Bory |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Navicula otrantina (Rabenhorst) Ralfs |
| Identification made in | [no date] (1) |