This name is a synonym of Poa pattersonii Vasey.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 435009) with original publication details: Arctic Alpine Res. 3(2): 143 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:882761-1.
This name was in version 1 of The Plant List, record kew-435009.