| Name | Sparganium emersum Rehmann |
| Authorship | Rehmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sparganium |
| Contains | Sparganium emersum subsp. acaule (Beeby ex Macoun) A. Haines |
| GUID | urn:lsid:ipni.org:names:836755-1 |
| Holdings | 383 Specimens held in the Harvard University Herbaria identified as Sparganium emersum Rehmann |
| Identification made in | [no date] (331), 1985 (3), 1986 (6), 1987 (4), 1988 (34), 2013 (4), 2017 (1) |