Synonymy
Thymus pulegioides subsp. effusus (Host) Ronniger in Repert. Spec. Nov. Regni Veg. Beih. 30(2): 373. 1936
- ≡Thymus effusus Host, Fl. Austriac. 2: 137. 1831
- ≡Thymus serpyllum subsp. effusus (Host) Lyka in Jávorka, Magyar Fl.: 900. 1925
- =Thymus serpyllum f. capitulifer Lyka in Jávorka, Magyar Fl.: 900. 1925
- =Thymus serpyllum f. justinii Lyka in Jávorka, Magyar Fl.: 900. 1925
- =Thymus serpyllum f. amarantoides Lyka in Hegi, Ill. Fl. Mitt.-Eur. 5: 2322. 1927
- =Thymus serpyllum f. exiguus Lyka in Hegi, Ill. Fl. Mitt.-Eur. 5: 2322. 1927
- =Thymus serpyllum f. expansus Lyka in Hegi, Ill. Fl. Mitt.-Eur. 5: 2322. 1927
- =Thymus serpyllum f. longibardus Lyka in Hegi, Ill. Fl. Mitt.-Eur. 5: 2322. 1927