This name is a synonym of Cardamine pratensis subsp. matthioli (Moretti) Nyman.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Com. 5: 157 1847.
This name was in version 1 of The Plant List, record kew-2700096, and has not been changed.