This name is a synonym of Poa alta Hitchc..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 437019) with original publication details: in Fl. Reipubl. Popul. Sin. 9(2): 400 2002.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:70027725-1.
This name was in version 1 of The Plant List, record kew-437019.