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 190609) with original publication details: Mitt. Arbeitskreis Heimische Orchid. Baden-Württemberg 21: 116 1989.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:936822-1.
This name was in version 1 of The Plant List, record kew-190609.