⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-403257, with some changes.

Calamagrostis purpurascens var. macrantha (Takeda) Fernald is a synonym of Calamagrostis purpurascens R.Br.

This name is a synonym of Calamagrostis purpurascens R.Br..

The record derives from WCSP which reports it as a synonym (record 403257) with original publication details: Rhodora 35: 213 1933.