World Checklist of Selected Plant Families (WCSP)

Phyteuma sieberi f. pilosum Rich.Schulz, Monogr. Phyteuma: 135 (1904).

This name is a synonym.

Accepted Name:	Phyteuma sieberi Spreng., Pl. Min. Cogn. Pug. 1: 15 (1813).
Family:	Campanulaceae
Original Compiler:	T.Lammers & R.Govaerts