This name is a synonym of Puccinellia micrandra (Keng) Keng f. & S.L.Chen.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 438659) with original publication details: Sunyatsenia 6: 58 1941.
This name was in version 1 of The Plant List, record kew-438659.