This name is a synonym of Isatis cappadocica subsp. subradiata (Rupr.) P.H. Davis.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100359551) with original publication details: Notes Roy. Bot. Gard. Edinburgh 26: 18 1964.
This name was in version 1 of The Plant List, record tro-100359551.