You selected Campanula sessiliflora L.f. This is a synonym for:

Accepted scientific name:
Wahlenbergia longifolia (A.DC.) Lammers (accepted name) 1 literature reference for Wahlenbergia longifolia (A.DC.) Lammers
Synonyms:
Campanula sessiliflora L.f. (synonym) 1 literature reference for Campanula sessiliflora L.f.
Lightfootia erecta R.D.Good (synonym) 1 literature reference for Lightfootia erecta R.D.Good
Lightfootia longifolia A.DC. (synonym) 1 literature reference for Lightfootia longifolia A.DC.
Lightfootia longifolia var. corymbosa Adamson (synonym) 1 literature reference for Lightfootia longifolia var. corymbosa Adamson
Lightfootia longifolia var. lanuginosa Cham. (synonym) 1 literature reference for Lightfootia longifolia var. lanuginosa Cham.
Lightfootia longifolia var. oppositifolia Sond. (synonym) 1 literature reference for Lightfootia longifolia var. oppositifolia Sond.
Wahlenbergia longifolia var. corymbosa (Adamson) Welman (synonym) 1 literature reference for Wahlenbergia longifolia var. corymbosa (Adamson) Welman
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Campanulales
Family Campanulaceae
Genus Wahlenbergia
Distribution: SW. Cape Prov.
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 30-Aug-2006
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=357225&repSynonym_id=-9998&name_id=357225&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:26f0d880-60a7-102d-be47-00304854f810:ac2010