⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-225456, 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 225456) with original publication details: Handb. Brit. Fl. ed. 6: 496 1896.