| Name | Carex dolichostachya subsp. trichopserma (Ohwi) T. Koyama |
| Authorship | (Ohwi) T. Koyama |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Carex dolichostachya Hayata |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex dolichostachya subsp. trichopserma (Ohwi) T. Koyama |
| Identification made in | [no date] (1) |