⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2670532, with some changes.

Bartsia frigida Diels is a synonym of Bartsia diffusa Benth.

This name is a synonym of Bartsia diffusa Benth..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bot. Jahrb. Syst. 37: 431 1906.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:29719-2.