This name is a synonym of Deschampsia flexuosa (L.) Trin..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 407801) with original publication details: Rep. Princeton Univ. Exped. Patagonia, Botany 8: 961 1906.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78118-2.
This name was in version 1 of The Plant List, record kew-407801.