⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-231369, and has not been changed.

Carex supina var. costata Meinsh. is a synonym of Carex korshinskyi Kom.

This name is a synonym of Carex korshinskyi Kom..

The record derives from WCSP which reports it as a synonym (record 231369) with original publication details: Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 392 1901.