Campanula rotundifolia subsp. rhomboidalis (L.) Bonnier in Bonnier & Douin, Fl. Ill. France 7: 47. 1924
Campanula rotundifolia subsp. rhomboidalis in Bonnier & Douin, Fl. Ill. France 7: 47. 1924
is new combination for Campanula rhomboidalis, Sp. Pl.: 165. 1753
Campanula rotundifolia subsp. rhomboidalis in Bonnier & Douin, Fl. Ill. France 7: 47. 1924