| Name | Navicula clavata W. Gregory |
| Authorship | W. Gregory |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Navicula Bory |
| Citation | 1856 Trans. Microscop. Soc. London 4: 46 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Navicula clavata W. Gregory |
| Identification made in | [no date] (1) |