⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-226474, with some changes.

Carex ferruginea var. firma (Host) Fiori is a synonym of Carex firma Host

This name is a synonym of Carex firma Host.

The record derives from WCSP which reports it as a synonym (record 226474) with original publication details: Nuov. Fl. Italia 1: 197 1923.