Tracheliopsis petraea (L.) Buser, Bull. Herb. Boissier 2: 528. 1894
Tracheliopsis petraea, Bull. Herb. Boissier 2: 528. 1894
is new combination for Campanula petraea, Syst. Nat. ed. 10, 2: 927. 1759
Tracheliopsis petraea, Bull. Herb. Boissier 2: 528. 1894