⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-403418, with some changes.
This name is a synonym of Calamagrostis purpurascens R.Br..
The record derives from WCSP which reports it as a synonym (record 403418) with original publication details: Contr. U. S. Natl. Herb. 3: 83 1892.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:40613-2.