⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-224757, with some changes.
This name is a synonym of Carex atrata subsp. aterrima (Hoppe) Hartm..
The record derives from WCSP which reports it as a synonym (record 224757) with original publication details: J. Jap. Bot. 30: 312 1955.