| 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) | 
