This name is a synonym of Calamagrostis stricta (Timm) Koeler.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 408058) with original publication details: Anales Mus. Nac. Buenos Aires 5: 87 1896.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78808-2.
This name was in version 1 of The Plant List, record kew-408058.