⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-402970, with some changes.

Calamagrostis littorea var. laxa (Host) Mutel is a synonym of Calamagrostis pseudophragmites (Haller) Koeler

This name is a synonym of Calamagrostis pseudophragmites (Haller) Koeler.

The record derives from WCSP which reports it as a synonym (record 402970) with original publication details: Fl. Franç. 4: 39 1837.