| Name | Cyperus exaltatus var. hainanensis L. K. Dai |
| Authorship | L. K. Dai |
| Rank | Variety |
| Placed in | Cyperus exaltatus Retzius |
| Citation | 1961 Fl. Reipubl. Popularis Sin. 11: 230 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyperus exaltatus var. hainanensis L. K. Dai |
| Identification made in | 2020 (1) |