| Name | Carex doisutepensis T. Koyama |
| Authorship | T. Koyama |
| Rank | Species |
| Placed in | Carex Linnaeus |
| Citation | 1955 Naturaliste Canad. 82: 196 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Carex doisutepensis T. Koyama |
| Identification made in | [no date] (2), 2014 (1) |