This name is a synonym of Bothriochloa ischaemum (L.) Keng.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 392676) with original publication details: J. Jap. Bot. 36: 20 1961.
This name was in version 1 of The Plant List, record kew-392676.