| Thymus praecox | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Angiosperms | 
 
| Clade: | Eudicots | 
 
| Clade: | Asterids | 
 
| Order: | Lamiales | 
 
| Family: | Lamiaceae | 
 
| Genus: | Thymus | 
| Species: | T. praecox | 
| Binomial name | 
| Thymus praecox 
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| Synonyms | 
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Thymus agoustensis FormánekThymus albanus subvar. lumbardensis (Ronniger) DiklicThymus albanus subvar. prokletijensis (Ronniger) DiklicThymus albanus subvar. schefferi (Ronniger) DiklicThymus alpicola SchurThymus amoenus SennenThymus arcticus (Durand) RonnigerThymus balcanus BorbásThymus balcanus subvar. arnautorum (Ronniger) DiklicThymus balcanus var. micevskii MatevskiThymus bracteatus var. penyalarensis (Pau) Rivas Mart.Thymus britannicus RonnigerThymus caespitosus OpizThymus caucasicus Willd. ex RonnigerThymus caucasicus subsp. grossheimii (Ronniger) JalasThymus ceretanus SennenThymus drucei RonnigerThymus drucei f. britannicus (Ronniger) CápThymus euxinus (Heinr.Braun) Heinr.Braun ex Klokov & Des.-Shost.Thymus grossheimii RonnigerThymus hesperites LykaThymus humifusus Bernh. ex LinkThymus kapelae (Borbás) Dalla Torre & Sarnth.Thymus kerneri BorbásThymus neglectus RonnigerThymus × opizii Ferd.WeberThymus parvulus Lojac.Thymus polytrichus A.Kern. ex BorbásThymus polytrichus subsp. britannicus (Ronniger) KerguélenThymus polytrichus var. britannicus (Ronniger) P.D.SellThymus polytrichus var. drucei (Ronniger) P.D.SellThymus polytrichus subsp. ligusticus (Briq.) StaceThymus polytrichus var. neglectus (Ronniger) P.D.SellThymus polytrichus subsp. vallicola (Heinr.Braun) Debray ex KerguélenThymus polytrichus var. zetlandicus (Ronniger & Druce) P.D.SellThymus praecox subsp. arcticus (Durand) JalasThymus praecox f. badensis (Heinr.Braun ex L.Walz) CápThymus praecox f. borosianus (Lyka) P.A.Schmidt ex CapThymus praecox f. cinerosus (Lyka) CápThymus praecox var. grossheimii (Ronniger) JalasThymus praecox subsp. hesperites (Lyka) KorneckThymus praecox subsp. ligusticus (Briq.) Paiva & SalgueiroThymus praecox var. medvedewii (Ronniger) JalasThymus praecox subsp. penyalarensis (Pau) Rivas Mart., Fern.Gonz. & Sánchez MataThymus pseudolanuginosus RonnigerThymus reinegeri OpizThymus robustus OpizThymus sacer LacaitaThymus sarntheinii Heinr.BraunThymus serpyllum subsp. arcticus (Durand) Hyl.Thymus serpyllum var. arcticus DurandThymus serpyllum subsp. Britannicus RonnigerThymus serpyllum var. ligusticus Briq.Thymus serpyllum var. prostratus Hornem. ex LangeThymus spathulatus OpizThymus trachselianus OpizThymus vallicola (Heinr.Braun) RonnigerThymus vandasii Velen.Thymus widderi Ronniger ex MachuleThymus zetlandicus Ronniger & DruceThymus zygiformis subsp. albanus (Heinr.Braun ex Wettst.) CápThymus zygiformis var. mirkovicii Gajic
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Thymus praecox is a species of thyme. A common name is mother of thyme, but "creeping thyme" and "wild thyme" may be used where Thymus serpyllum, which also shares these names, is not found. It is native to central, southern, and western Europe.