⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-340494, with some changes.

Sideritis spinosa var. serrata (Cav. ex Lag.) Willk. is a synonym of Sideritis serrata Cav. ex Lag.

This name is a synonym of Sideritis serrata Cav. ex Lag..

The record derives from WCSP which reports it as a synonym (record 340494) with original publication details: Bot. Zeitung (Berlin) 17: 285 1859.