Synonyms: Campanula thunbergii (homotypic); Lightfootia buekii; Lightfootia ciliata (heterotypic); Lightfootia ciliata var. debilis; Lightfootia ciliata var. major; Lightfootia ciliata var. pubescens; Lightfootia divaricata (heterotypic); Lightfootia divaricata var. debilis; Lightfootia divaricata var. filifolia; Lightfootia intermedia; Lightfootia mucronulata; Lightfootia pubescens; Lightfootia thymifolia; Lightfootia uitenhagensis; Roella thunbergii (homotypic); Wahlenbergia thunbergii var. debilis; Wahlenbergia thunbergii var. filifolia; Wahlenbergia uitenhagensis; Wahlenbergia uitenhagensis var. debilis; Wahlenbergia uitenhagensis var. filifolia