Campanula latifolium has a more northerly distribution than Campanula trachelium.
St. Boswells (VC80: Roxburghshire); 2016-08-01
Campanula latifolium has round stems and flowers with smooth, narrow, hairless sepals.
Yair (VC79: Selkirkshire); 2014-08-05
All images copyright © Christopher J. Dixon unless otherwise indicated.