This name is a synonym of Agrostis rupestris subsp. pyrenaica (Pourr.) Dostál.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 390251) with original publication details: Symb. Bot. Upsal. 17(1): 50 1960.
This name was in version 1 of The Plant List, record kew-390251.