| Name | Scirpus orthorhizomatus Kats. Arai & Miyam. |
| Authorship | Kats. Arai & Miyam. |
| Rank | Species |
| Placed in | Scirpus Linnaeus |
| Citation | 1997 J. Jap. Bot. 72(5): 299 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Scirpus orthorhizomatus Kats. Arai & Miyam. |
| Identification made in | [no date] (1) |