⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-397933, with some changes.
This name is a synonym of Calamagrostis sesquiflora (Trin.) Tzvelev.
The record derives from WCSP which reports it as a synonym (record 397933) with original publication details: Fl. Ross. 4: 419 1852.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:391752-1.