| Name | Carex sendaica var. pseudosendaica T. Koyama |
| Authorship | T. Koyama |
| Rank | Variety |
| Placed in | Carex sendaica Franchet |
| Citation | 1954 J. Jap. Bot. 29: 46 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex sendaica var. pseudosendaica T. Koyama |
| Identification made in | 2015 (1) |