⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-402778, with some changes.

Calamagrostis halleriana var. langsdorffii (Link) Hack. is a synonym of Calamagrostis purpurea (Trin.) Trin.

This name is a synonym of Calamagrostis purpurea (Trin.) Trin..

The record derives from WCSP which reports it as a synonym (record 402778) with original publication details: Nuovo Giorn. Bot. Ital. 25: 99 1893.