| 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) |