The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-402505, with some changes.

L Calamagrostis canadensis subsp. langsdorffii (Link) Hultén 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 402505) with original publication details: Fl. Alaska Yukon 161 1942.