| Name | Cyperus melanostachyos var. robustus Liebmann |
| Authorship | Liebmann |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cyperus melanostachyos Kunth |
| Citation | 1850 Mexic. Halvgr. 13 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyperus melanostachyos var. robustus Liebmann |
| Identification made in | [no date] (1) |