⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-341583, with some changes.
This name is a synonym of Carex bigelowii subsp. rigida (Raf.) W.Schultze-Motel.
The record derives from WCSP which reports it as a synonym (record 341583) with original publication details: Consp. Fl. Eur. 777 1882.