| Name | Sparganium eurycarpum Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| Placed in | Sparganium |
| GUID | urn:lsid:ipni.org:names:836759-1 |
| Holdings | 308 Specimens held in the Harvard University Herbaria identified as Sparganium eurycarpum Engelmann |
| Identification made in | [no date] (282), 1959 (1), 1987 (6), 1988 (16), 2014 (3) |