⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-349557, 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 349557) with original publication details: Pl. Eur. 1: 155 1890.