| Name | Cyperus orthostachyus Franch. & Sav. |
| Authorship | Franch. & Sav. |
| Rank | Species |
| Placed in | Cyperus Linnaeus |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1878 Enum. Pl. Jap. 2: 539 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyperus orthostachyus Franch. & Sav. |
| Identification made in | [no date] (1) |