This name is a synonym of Echinops ritro L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FC601CFB-7FD0-4D56-9F68-B05A8020FC05).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Echinops ritro in version 1 of The Plant List.