| Name | Najas marina var. angustissima K. Schumann |
| Authorship | K. Schumann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Najas marina Linnaeus |
| GUID | urn:lsid:ipni.org:names:166938-2 |
| Citation | 1894 Fl. Bras. [Martius] 3(3): 725 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Najas marina var. angustissima K. Schumann |
| Identification made in | [no date] (1) |