| Name | Sparganium fluctuans (Morong) B. L. Robinson |
| Authorship | (Morong) B. L. Robinson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sparganium |
| Holdings | 101 Specimens held in the Harvard University Herbaria identified as Sparganium fluctuans (Morong) B. L. Robinson |
| Identification made in | [no date] (87), 1984 (1), 1987 (10), 1988 (3) |