| Name | Eleocharis quadrangulata (Michaux) Roemer & Schultes |
| Authorship | (Michaux) Roemer & Schultes |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eleocharis R. Brown |
| Contains | Eleocharis quadrangulata var. crassior Fernald |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Eleocharis quadrangulata (Michaux) Roemer & Schultes |
| Identification made in | [no date] (9) |