| Name | Rhynchospora florida var. nigra Grisebach |
| Authorship | Grisebach |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhynchospora florida A. Dietrich |
| Citation | 1866 Cat. Pl. Cub. [Grisebach] 246 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhynchospora florida var. nigra Grisebach |
| Identification made in | [no date] (2) |
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