⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-350521, with some changes.

Thymus serpyllum subsp. rigidus (Wimm. & Grab.) Lyka is a synonym of Thymus serpyllum subsp. serpyllum

The record derives from WCSP which reports it as a synonym (record 350521) with original publication details: Bot. Közlem. 20: 147 1924.