This name is a synonym of Serapias lingua subsp. duriaei (Rchb. ex Batt.) Soó.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 338591) with original publication details: Ber. Arbeitskreis. Heimische Orchid. 20: 49 2003.
This name was in version 1 of The Plant List, record kew-338591.