This name is a synonym of Cerastium arvense subsp. molle (Vill.) Arcang..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Ill. Fl. Mitt.-Eur. 3: 376 1911.
This name was in version 1 of The Plant List, record kew-2709990.