| Name | Thymus praecox subsp. filicaulis Ronniger & Bornmüller |
| Authorship | Ronniger & Bornmüller |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Thymus praecox Opiz |
| Citation | 1924 Repert. Spec. Nov. Regni Veg. 20: 66 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thymus praecox subsp. filicaulis Ronniger & Bornmüller |
| Identification made in | [no date] (1) |