| Name | Sparganium angustifolium Michaux |
| Authorship | Michaux |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sparganium |
| GUID | urn:lsid:ipni.org:names:241071-2 |
| Holdings | 423 Specimens held in the Harvard University Herbaria identified as Sparganium angustifolium Michaux |
| Identification made in | [no date] (399), 1958 (1), 1984 (4), 1985 (17), 1986 (1), 2009 (1) |