⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-351324, with some changes.

Thymus serpyllum subsp. pfiffianus Lyka is a synonym of Thymus praecox subsp. polytrichus (A.Kern. ex Borbás) Jalas

The record derives from WCSP which reports it as a synonym (record 351324) with original publication details: Ill. Fl. Mitt.-Eur. 5: 2322 1927.