| Name | Scirpus ×oblongus T. Koyama |
| Authorship | T. Koyama |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Scirpus Linnaeus |
| Remarks | Created from NEVP Ingest: Scirpus × oblongus T. Koyama |
| GUID | urn:uuid: |
| Citation | 1962 Canad. J. Bot. 40: 928 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Scirpus ×oblongus T. Koyama |
| Identification made in | [no date] (3) |