Source: Castroviejo, S., Aldasoro, J. J. & Alarcón, M.; with contributions from Hand, R. (2010+): Campanulaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Wahlenbergia, Nov. Pl. Sp.: 339. 1821, nom. cons.
Euro+Med: Algeria native; Belgium, with Luxembourg native (Belgium native, Luxembourg native); Canary islands native (Fuerteventura native, Gomera native, Gran Canaria native, Hierro native, La Palma native, Tenerife native); Corsica native; Egypt native; France, with Channel is. and Monaco (France native); Germany native; Great Britain native; Ireland, with N Ireland native (Ireland native); Italy native; Libya native; Madeira archipelago native (Desertas native, Madeira island native, Porto Santo native); Morocco native; Portugal native; Salvage islands native; Sardinia native; Sicily, with Malta native (Sicily native); Spain, with Gibraltar and Andorra native (Spain native); Tunisia native