This name is a synonym of Isatis cappadocica subsp. macrocarpa (Jaub. & Spach) P.H. Davis.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100357662) with original publication details: Ill. Fl. N. U.S. (ed. 3) 3: tab. 224 1847.
This name was in version 1 of The Plant List, record tro-100357662.