This name is a synonym of Trisetum altaicum Roshev..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 397314) with original publication details: Fl. URSS 2: 254 1934.
This name was in version 1 of The Plant List, record kew-397314, and has not been changed.