| Name | Eleocharis perlonga Fernald & Brackenridge |
| Authorship | Fernald & Brackenridge |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eleocharis R. Brown |
| Citation | 1929 Rhodora 29: 70, plate 182 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eleocharis perlonga Fernald & Brackenridge |
| Identification made in | [no date] (1) |