This name is a synonym of Isatis cappadocica subsp. besseri (Trautv.) Hedge & Lamond.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100357623) with original publication details: 4: 313, t.11 1845.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:285740-1.
This name was in version 1 of The Plant List, record tro-100357623.