| Thymus praecox subsp. arcticus | GB, VC11 South Hampshire, Milford on Sea | William Bertram Turrill | | 20/7/1924 | K |
| Thymus praecox subsp. arcticus | GB, VC11 South Hampshire, Milford on Sea | William Bertram Turrill | | 21/7/1924 | K |
| Thymus praecox subsp. arcticus | GB, VC11 South Hampshire, Milford on Sea | William Bertram Turrill | | 21/7/1924 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Andover | Charles Baron Clarke | Charles Baron Clarke | 30/7/1864 | 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, VC12 North Hampshire, Andover | Charles Baron Clarke | | 8/7/1903 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Cheesefoot head | Edgar Wolston Bertram Handsley Milne-Redhead | | 28/6/1954 | K |
| Thymus praecox subsp. arcticus | GB, VC12 North Hampshire, Cheesefoot head | Edgar Wolston Bertram Handsley Milne-Redhead | | 28/6/1954 | K |
| Thymus praecox subsp. arcticus | GB, VC14 East Sussex, Beachy Head | Zahra Dickson | | 8/1936 | K |
| Thymus praecox subsp. arcticus | GB, VC14 East Sussex, Seaford | Irene Blewett | | 23/6/1956 | K |
| Thymus praecox subsp. arcticus | GB, VC16 West Kent, Halling | Arthur Reginald Horwood Edgar Wolston Bertram Handsley Milne-Redhead | | 29/6/1929 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Abinger | Charles Edward Britton | Charles Edward Britton | 3/7/1910 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Banstead Downs | Charles Edward Britton | Charles Edward Britton | 1/7/1928 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Banstead Heath | Charles Edward Britton | Charles Edward Britton | 28/6/1925 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Brockham | J Fraser | J Fraser | 15/7/1900 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Buckland | Charles Edgar Salmon | Charles Edgar Salmon | 27/8/1910 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Clandon Downs, Surrey | Noel Yvri Sandwith | | 6/7/1945 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Hackhurst Downs | Charles Edward Britton | Charles Edward Britton | 3/8/1910 | 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, VC17 Surrey, Wallington | Gordon H Spare | | 26/6/1925 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Walton Heath | Charles Edward Britton | Charles Edward Britton | 19/6/1927 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Walton on the Hill | Charles Edward Britton | Charles Edward Britton | 19/6/1927 | K |
| Thymus praecox subsp. arcticus | GB, VC17 Surrey, Warlingham | Charles Edward Britton | Charles Edward Britton | 21/6/1933 | K |
| Thymus praecox subsp. arcticus | GB, VC18 South Essex, Lambourne | Francis Rilstone | | 30/8/1924 | K |
| Thymus praecox subsp. arcticus | GB, VC22 Berkshire, Streatley | | Lester Vallis Lester-Garland | 16/6/1894 | K |
| Thymus praecox subsp. arcticus | GB, VC23 Oxfordshire, Stow Wood | William Bertram Turrill | | 11/6/1942 | K |
| Thymus praecox subsp. arcticus | GB, VC23 Oxfordshire, Stow Wood | William Bertram Turrill | | 11/6/1942 | K |
| Thymus praecox subsp. arcticus | GB, VC23 Oxfordshire, Stow Wood | William Bertram Turrill | | 11/6/1942 | K |
| Thymus praecox subsp. arcticus | GB, VC25 East Suffolk, Westleton | | | | K |
| Thymus praecox subsp. arcticus | GB, VC26 West Suffolk, Kentford | Clifford Charles Townsend | Clifford Charles Townsend | 16/8/1956 | K |
| Thymus praecox subsp. arcticus | GB, Suffolk, Eriswell | Christopher Donald Pigott | Botanical Society of The British Isles Cambridge University | 7/1951 | K |
| Thymus praecox subsp. arcticus | GB, VC29 Cambridgeshire, Gog Magog Hills | William Thomas Stearn | Cambridge University | 4/7/1932 | K |
| Thymus praecox subsp. arcticus | GB, VC29 Cambridgeshire, Hinton | Leicester Darwall | Beatrice Frederica Lovibond | 21/6/1830 | K |
| Thymus praecox subsp. arcticus | GB, VC33 East Gloucestershire, Cheltenham,Leckhampton Hill | Clifford Charles Townsend | Clifford Charles Townsend | 17/7/1948 | K |
| Thymus praecox subsp. arcticus | GB, VC33 East Gloucestershire, Cleeve Hill | Clifford Charles Townsend | | 6/7/1946 | K |
| Thymus praecox subsp. arcticus | GB, VC33 East Gloucestershire, Cleeve Hill | Clifford Charles Townsend | Clifford Charles Townsend | 6/7/1946 | K |
| Thymus praecox subsp. arcticus | GB, VC33 East Gloucestershire, Sheepscombe | Clifford Charles Townsend | | 23/7/1949 | K |
| Thymus praecox subsp. arcticus | GB, VC34 West Gloucestershire, Minchinhampton, Besbury Common | Harry Joseph Riddelsdell | | 24/9/1925 | K |
| Thymus praecox subsp. arcticus | GB, VC34 West Gloucestershire, Selsley Common | George Claridge Druce | Botanical Society & Exchange Club of The British Isles George Claridge Druce | 1/7/1931 | K |