Campanula prenanthoides Durand, J. Acad. Nat. Sci. Philadelphia, II, 3: 93. 1855
Campanula prenanthoides, J. Acad. Nat. Sci. Philadelphia, II, 3: 93. 1855
is basionym for Asyneuma prenanthoides, Bartonia 23: 36. 1945
Campanula prenanthoides, J. Acad. Nat. Sci. Philadelphia, II, 3: 93. 1855