| Name | Potamogeton fragillimus Hagström |
| Authorship | Hagström |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Potamogeton |
| GUID | urn:lsid:ipni.org:names:699685-1 |
| Citation | 1916 Kongl. Svenska Vetensk. Acad. Handl. 55, no. 5: 202 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Potamogeton fragillimus Hagström |
| Identification made in | [no date] (1), 1942 (1), 2012 (1) |