⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-59306, with some changes.

Hieracium rigidum subsp. boreanum (Boreau) Sudre is a synonym of Hieracium laevigatum subsp. boreanum (Boreau) Zahn

The record derives from TICA which reports it as a synonym (record D1BCAAA6-B1E6-45F7-B23B-9558C83901F1) with original publication details: "Sudre, Hierac. Centre France. 1902." 33 1902.