You selected Campanula tridentata var. saxifraga (M.Bieb.) Trautv. This is a synonym for:

Accepted scientific name:
Campanula saxifraga M.Bieb. (accepted name) 1 literature reference for Campanula saxifraga M.Bieb.
Synonyms:
Campanula bellidifolia subsp. saxifraga (M.Bieb.) Victorov (synonym) 1 literature reference for Campanula bellidifolia subsp. saxifraga (M.Bieb.) Victorov
Campanula tridentata var. saxifraga (M.Bieb.) Trautv. (synonym) 1 literature reference for Campanula tridentata var. saxifraga (M.Bieb.) Trautv.
Hemisphaera saxifraga (M.Bieb.) Kolak. (synonym) 1 literature reference for Hemisphaera saxifraga (M.Bieb.) Kolak.
Infraspecific taxon: Campanula saxifraga subsp. argunensis (Rupr.) Ogan.
Campanula saxifraga subsp. aucheri (A.DC.) Ogan.
Campanula saxifraga subsp. meyeriana (Rupr.) Ogan.
Campanula saxifraga subsp. saxifraga
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Campanulales
Family Campanulaceae
Genus Campanula
Distribution: Turkey to Iran
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 13-Jun-2008
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=366185&repSynonym_id=-9998&name_id=366185&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:27135b08-60a7-102d-be47-00304854f810:ac2010