This name is a synonym of Isatis cappadocica subsp. stenophylla (Bornm. & Gauba ex Bornm.) Hedge & Lamond.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100357324) with original publication details: Explor. Sci. Tunisie, Ill. Bot. 39: 87 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:285872-1.
This name was in version 1 of The Plant List, record tro-100357324.