| 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) | 
