| Thymus praecox subsp. arcticus | Cultivated | | William Jackson Hooker | | K |
| Thymus praecox subsp. arcticus | GB, Wiltshire | Richard Chandler Alexander Prior | | | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Chesil Beach | D O Jones | | | K |
| Thymus praecox subsp. arcticus | GB, VC25 East Suffolk, Westleton | | | | K |
| Thymus praecox subsp. arcticus | GB, VC70 Cumberland, Borrowdale | | Reynolds | | K |
| Thymus praecox subsp. arcticus | GB, VC83 Midlothian, Edinburgh | Wilson | Shrewsbury Public Library | | K |
| Thymus praecox subsp. arcticus | GB, VC92 South Aberdeenshire, Braemar | Alexander Croall | | | K |
| Thymus praecox subsp. arcticus | GB, England | | George Cheetham Churchill | | K |
| Thymus praecox subsp. arcticus | GB, Scotland | | William Jackson Hooker | | K |
| Thymus praecox subsp. arcticus | GB, VC83 Midlothian, Arthur's Seat | | George Lloyd | 1824 | K |
| Thymus praecox subsp. arcticus | GB, VC49 Caernarvonshire, Snowdon summit | | William Jackson Hooker | 7/1824 | K |
| Thymus praecox subsp. arcticus | GB, VC29 Cambridgeshire, Hinton | Leicester Darwall | Beatrice Frederica Lovibond | 21/6/1830 | K |
| Thymus praecox subsp. arcticus | GB, VC36 Herefordshire, Wigmore | | George Bentham | 9/7/1850 | K |
| Thymus praecox subsp. arcticus | GB, VC39 Staffordshire, Wallsall | Leicester Darwall | Beatrice Frederica Lovibond | 5/7/1852 | K |
| Thymus praecox subsp. arcticus | GB, VC92 South Aberdeenshire, Braemar | Alexander Croall | Alexander Croall | 7/1854 | K |
| Thymus praecox subsp. arcticus | GB, VC92 South Aberdeenshire, Braemar | Alexander Croall | William Jackson Hooker | 25/7/1854 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Andover | Charles Baron Clarke | Charles Baron Clarke | 30/7/1864 | K |
| Thymus praecox subsp. arcticus | IE, VCH9 Co. Clare, Ballyvaughan | | George Cheetham Churchill | 25/8/1865 | K |
| Thymus praecox subsp. arcticus | GB, VC57 Derbyshire, Matlock Bath | James Britten | | 7/1870 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Swanage | Benjamin Thompson Lowne snr | Benjamin Thompson Lowne snr | 1875 | K |
| Thymus praecox subsp. arcticus | GB, VC91 Kincardineshire, Knock Hill | J Fraser | J Fraser | 27/9/1888 | K |
| Thymus praecox subsp. arcticus | GB, VC70 Cumberland, Hutton Roof | Daniel Oliver | | 9/1891 | K |
| Thymus praecox subsp. arcticus | GB, VC8 South Wiltshire, Winterslow | Charles Baron Clarke | | 1/7/1892 | K |
| Thymus praecox subsp. arcticus | GB, VC11 South Hampshire, Hordle | Charles Baron Clarke | Charles Baron Clarke | 13/9/1892 | K |
| Thymus praecox subsp. arcticus | GB, VC58 Cheshire, New Brighton | George Valentine Chapman Last | George Valentine Chapman Last | 7/1893 | K |
| Thymus praecox subsp. arcticus | GB, VC22 Berkshire, Streatley | | Lester Vallis Lester-Garland | 16/6/1894 | K |
| Thymus praecox subsp. arcticus | GB, VC47 Montgomeryshire, Llangynog | George Valentine Chapman Last | George Valentine Chapman Last | 5/7/1894 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Herston | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 2/7/1895 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Herston | | Lester Vallis Lester-Garland | 11/7/1895 | K |
| Thymus praecox subsp. arcticus | GB, VC90 Angus, Glen Dole | Isaac Henry Burkill | | 10/7/1896 | K |
| Thymus praecox subsp. arcticus | GB, VC113 Channel Islands, Jersey | | Lester Vallis Lester-Garland | 6/7/1898 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Leatherhead | John Eustace Sirett Souster | | 11/7/1898 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Oxted | J Fraser | J Fraser | 24/6/1900 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Andover | Charles Baron Clarke | Charles Baron Clarke | 7/7/1900 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Brockham | J Fraser | J Fraser | 15/7/1900 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Andover | Charles Baron Clarke | | 8/7/1903 | K |
| Thymus praecox subsp. arcticus | GB, VC55 Leicestershire, Billesdon | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles Albert Bruce Jackson Arthur Reginald Horwood | 7/1907 | K |
| Thymus praecox subsp. arcticus | GB, VC110 Outer Hebrides, Lewis Cultivated | Donald McPherson | | 1908 | K |
| Thymus praecox subsp. arcticus | IE, VCH38 Co. Down, Orlock Point | Coslett Herbert Waddell | Watson Botanical Exchange Club Albert Bruce Jackson Coslett Herbert Waddell | 8/1909 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Abinger | Charles Edward Britton | Charles Edward Britton | 3/7/1910 | K |