World Checklist of Selected Plant Families (WCSP)

Phyteuma halleri f. longibracteatum Rich.Schulz, Monogr. Phyteuma: 74 (1904).

This name is a synonym.

Accepted Name:	Phyteuma ovatum subsp. ovatum.
Family:	Campanulaceae
Original Compiler:	T.Lammers & R.Govaerts