⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-359454, and has not been changed.

Phyteuma sieberi f. pygmaeum Bolzon is a synonym of Phyteuma sieberi Spreng.

This name is a synonym of Phyteuma sieberi Spreng..

The record derives from WCSP which reports it as a synonym (record 359454) with original publication details: Nuov. Giorn. Bot. Ital. n.s., 21: 154 1914.