| Name | Rhynchospora submarginata Kükenthal |
| Authorship | Kükenthal |
| Rank | Species |
| Placed in | Rhynchospora Vahl |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1949 Bot. Jahrb. Syst. 74(3): 498 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhynchospora submarginata Kükenthal |
| Identification made in | [no date] (2) |