⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-371120, and has not been changed.

Carex × joussetii Foucaud is a synonym of Carex × costei Rouy

This name is a synonym of Carex × costei Rouy.

The record derives from WCSP which reports it as a synonym (record 371120) with original publication details: Bull. Soc. Bot. Rochelaise 10: 44 1898.