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