Campanula angustiflora var. exilis J. T. Howell, Leafl. W. Bot. 2: 101. 1938
Campanula angustiflora var. exilis, Leafl. W. Bot. 2: 101. 1938
is basionym for Campanula griffinii, MadroƱo 27: 160. 1980
Campanula angustiflora var. exilis, Leafl. W. Bot. 2: 101. 1938