This name is a synonym of Campanula macrostachya Waldst. & Kit. ex Willd..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 364244) with original publication details: Icon. Fl. Germ. Helv. 6: 12 1842.
This name was in version 1 of The Plant List, record kew-364244, and has not been changed.