This name is a synonym of Calamagrostis holciformis Jaub. & Spach.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 407980) with original publication details: Gaz. N. W. Ind. 628 1878.
This name was in version 1 of The Plant List, record kew-407980, and has not been changed.