| Thymus polytrichus | GB, VC6 North Somerset, Blagdon | Harold Stuart Thompson | Harold Stuart Thompson | 18/7/1916 | BIRM |
| Thymus polytrichus | GB, VC6 North Somerset, Bleadon | A R Hill | | 1/8/1985 | ABS |
| Thymus polytrichus | GB, VC6 North Somerset, Brean Down | Janet Hunt | | 10/7/1959 | ABS |
| Thymus polytrichus | GB, VC6 North Somerset, Brean Down | | Harold Stuart Thompson Thomas Clark | 21/6/1836 | BIRM |
| Thymus chamaedrys | GB, VC6 North Somerset, Bruton | Frederick Kirkwood Makins | | 8/1936 | K |
| Thymus chamaedrys | GB, VC6 North Somerset, Bruton | Frederick Kirkwood Makins | | 8/1936 | K |
| Thymus praecox subsp. arcticus | GB, VC6 North Somerset, Cheddar Head | Charles Edward Hubbard Francis Ballard | | 24/6/1934 | K |
| Thymus chamaedrys | GB, VC6 North Somerset, Clevedon | Harold Stuart Thompson | Harold Stuart Thompson | 7/8/1917 to 3/9/1917 | BIRM |
| Thymus chamaedrys | GB, VC6 North Somerset, Mendip Hills | Victor Samuel Summerhayes | | 7/1913 | K |
| Thymus polytrichus | GB, VC6 North Somerset, Nightingale Valley, Clifton | Harold Stuart Thompson | Harold Stuart Thompson | 5/7/1916 | BIRM |
| Thymus praecox subsp. arcticus | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 18/7/1915 | K |
| Thymus praecox subsp. arcticus | GB, VC6 North Somerset, Priddy | Eric Marsden Marsden-Jones | | 28/7/1956 | K |
| Thymus polytrichus | GB, VC6 North Somerset, Street | Harold Stuart Thompson | Harold Stuart Thompson | 7/7/1915 | BIRM |
| Thymus polytrichus | GB, VC6 North Somerset, Street | Harold Stuart Thompson | Harold Stuart Thompson | 7/7/1915 | BIRM |
| Thymus chamaedrys | GB, VC6 North Somerset, Tickenham Hill | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper Lester Vallis Lester-Garland | 1/9/1922 | K |
| Thymus praecox subsp. arcticus | GB, VC6 North Somerset, Walton in Gordano | Henry Francois Devis | | 15/7/1915 | K |
| Thymus serpyllum | GB, VC6 North Somerset, Weston-super-Mare | Ida Mary Roper | William Robert Sherrin | 5/8/1915 | SLBI |
| Thymus | GB, VC7 North Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus | GB, VC7 North Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus | GB, VC7 North Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus | GB, VC7 North Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus | GB, VC7 North Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus | GB, VC7 North Wiltshire, Marlborough | Mary Louisa Wedgwood | | 1932 | K |
| Thymus praecox subsp. arcticus | GB, Wiltshire | Richard Chandler Alexander Prior | | | K |
| Thymus polytrichus | GB, Wiltshire, Devizes | William Bertram Turrill | | 29/6/1925 | K |
| Thymus chamaedrys | GB, Wiltshire, Salisbury Plain | J Fraser | J Fraser | 6/8/1884 | K |
| Thymus | GB, VC8 South Wiltshire, Amesbury | William Bertram Turrill | | 14/6/1926 | K |
| Thymus chamaedrys | GB, VC8 South Wiltshire, Heytesbury | | George Bentham | 23/7/1830 | K |
| Thymus praecox subsp. arcticus | GB, VC8 South Wiltshire, Salisbury Plain | William Bertram Turrill | | 14/6/1926 | K |
| Thymus praecox subsp. arcticus | GB, VC8 South Wiltshire, Winterslow | Charles Baron Clarke | | 1/7/1892 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Anvil Point | William Bertram Turrill | | 19/7/1936 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Anvil Point | William Bertram Turrill | | 19/7/1936 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Anvil Point | William Bertram Turrill | | 19/7/1936 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Burton Bradstock | William Bertram Turrill | | 21/7/1935 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Burton Bradstock | William Bertram Turrill | | 30/7/1935 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Burton Bradstock | William Bertram Turrill | | 30/7/1935 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Chesil Beach | D O Jones | | | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Chesil Beach | Eric Marsden Marsden-Jones William Bertram Turrill | | 7/1928 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Chesil Beach | Eric Marsden Marsden-Jones William Bertram Turrill | | 7/1928 | K |
| Thymus praecox subsp. arcticus | GB, VC9 Dorset, Chesil Beach | Eric Marsden Marsden-Jones William Bertram Turrill | | 7/1928 | K |