| Name | Cyperus retrorsus Chapman |
| Authorship | Chapman |
| Rank | Species |
| Placed in | Cyperus Linnaeus |
| Citation | 1878 Bot. Gaz. 3: 17 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyperus retrorsus Chapman |
| Identification made in | [no date] (1) |