This name is a synonym of Adenostyles alliariae subsp. pyrenaica (Lange) P.Fourn..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 684C9F04-2E3D-4E1A-B000-A199DD9C9821) with original publication details: 351 1903.
This name was in version 1 of The Plant List, record gcc-60836, and has not been changed.