Campanula transtagana R. Fern. in Bol. Soc. Brot., ser. 2, 36: 125. 1962
Campanula transtagana in Bol. Soc. Brot., ser. 2, 36: 125. 1962
is basionym for Campanula lusitanica subsp. transtagana in Bot. J. Linn. Soc. 67: 281. 1973
Campanula transtagana in Bol. Soc. Brot., ser. 2, 36: 125. 1962