This name is a synonym of Calamagrostis epigejos (L.) Roth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 403298) with original publication details: Quart. J. Taiwan Mus. 18: 223 1965.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:394783-1.
This name was in version 1 of The Plant List, record kew-403298.