World Checklist of Selected Plant Families (WCSP)

Campanula rotundifolia var. angustissima Schur, Enum. Pl. Transsilv.: 444 (1866).

This name is a synonym.

Accepted Name:	Campanula rotundifolia L., Sp. Pl.: 163 (1753).
Family:	Campanulaceae
Original Compiler:	T.Lammers & R.Govaerts