This name is a synonym of Calamagrostis fibrovaginata Laegaard.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 402563) with original publication details: Nomencl. Bot. ed. 2, 1: 250 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1167180-2.
This name was in version 1 of The Plant List, record kew-402563, and has not been changed.