Campanula longistyla Fomin, Trudy Tiflissk. Bot. Sada 6(3): 37. 1904
Campanula longistyla, Trudy Tiflissk. Bot. Sada 6(3): 37. 1904
is basionym for Campanula sibirica subsp. longistyla, Novosti Sist. Vyssh. Rast. 32: 165. 2000
Campanula longistyla, Trudy Tiflissk. Bot. Sada 6(3): 37. 1904