| Name | Carex biwensis subsp. jankowskii (Gorodkov) T. V. Egorova |
| Authorship | (Gorodkov) T. V. Egorova |
| Rank | Subspecies |
| Placed in | Carex biwensis Franchet |
| Citation | 1985 Novosti Sist. Vyssh. Rast. 22: 56 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex biwensis subsp. jankowskii (Gorodkov) T. V. Egorova |
| Identification made in | [no date] (1) |