| Name | Eleocharis nigrescens Kunth |
| Authorship | Kunth |
| Rank | Species |
| Placed in | Eleocharis R. Brown |
| Citation | 1-6 May 1837 Enum. Pl. [Kunth] 2: 157 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Eleocharis nigrescens Kunth |
| Identification made in | [no date] (1) |