| Name | Eunotia didyma Grunow ex C. Zimmermann |
| Authorship | Grunow ex C. Zimmermann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eunotia Ehrenberg |
| Citation | 1915 Broteria, Ser. Bot. 13(2): 51 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Eunotia didyma Grunow ex C. Zimmermann |
| Identification made in | [no date] (4) |