| Veronica arvensis | GB, VC113 Channel Islands, Jersey,West Mount | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 16/6/1899 | K |
| Veronica anagallis-aquatica | GB, VC9 Dorset, Corfe Castle | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 8/8/1899 | K |
| Veronica anagallis-aquatica | GB, VC23 Oxfordshire, Oxford,Port Meadow | | Lester Vallis Lester-Garland | 9/6/1895 | K |
| Veronica anagallis-aquatica | GB, VC31 Huntingdonshire, Ramsey | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 21/6/1918 | K |
| Veronica agrestis | GB, VC30 Bedfordshire, Luton | Joseph Edward Little M Brown | Botanical Society & Exchange Club of The British Isles Lester Vallis Lester-Garland | 18/11/1926 15/12/1926 | K |
| Veronica agrestis | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | | Lester Vallis Lester-Garland | 20/3/1897 | K |
| Verbascum virgatum | GB, VC3 South Devon, Slapton Sands | | Lester Vallis Lester-Garland | 10/7/1928 | K |
| Verbascum virgatum | GB, VC41 Glamorganshire, Cardiff | Royston Leslie Smith | Lester Vallis Lester-Garland | 8/1922 | K |
| Verbascum thapsus | GB, VC23 Oxfordshire, Wychwood Forest | | Lester Vallis Lester-Garland | 16/8/1894 | K |
| Verbascum thapsus | GB, VC113 Channel Islands, Portelet Bay, Jersey | | Lester Vallis Lester-Garland | 9/7/1898 | K |
| Verbascum nigrum | GB, VC17 Surrey, Gomshall | | Lester Vallis Lester-Garland | 19/8/1918 | K |
| Verbascum nigrum | GB, VC22 Berkshire, Streatley | | Lester Vallis Lester-Garland | 16/6/1894 | K |
| Verbascum blattaria | GB, VC5 South Somerset, Taunton | | Lester Vallis Lester-Garland | 29/6/1928 | K |
| Trifolium strictum | GB, VC113 Channel Islands, Jersey, Saint Brelade's Bay | Lester Vallis Lester-Garland | Frederick Townsend | 28/6/1902 | SLBI |
| Trifolium strictum | GB, VC113 Channel Islands, St Brelade | Lester Vallis Lester-Garland | William Hunt Painter | 20/6/1902 | ABS |
| Torilis arvensis | GB, VC25 East Suffolk, Kessingland | A M | Lester Vallis Lester-Garland | 16/7/1896 | 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, VC22 Berkshire, Streatley | | Lester Vallis Lester-Garland | 16/6/1894 | K |
| Thymus praecox subsp. arcticus | GB, VC70 Cumberland, Saint Bees | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 30/7/1916 | K |
| Thymus praecox subsp. arcticus | GB, VC113 Channel Islands, Jersey | | Lester Vallis Lester-Garland | 6/7/1898 | K |
| Thymus chamaedrys | GB, VC6 North Somerset, Bathford | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 2/8/1925 | K |
| 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 chamaedrys | GB, VC17 Surrey, Guildford,Saint Martha's Hill | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 15/8/1917 | K |
| Thymus chamaedrys | GB, VC17 Surrey, Guildford,Saint Martha's Hill | | Lester Vallis Lester-Garland | 15/8/1917 | K |
| Thymus chamaedrys | GB, VC38 Warwickshire, Yarningale Common | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 12/8/1918 | K |
| Teucrium scorodonia | GB, VC9 Dorset, Dorchester | | Lester Vallis Lester-Garland | 1/8/1894 | K |
| Teucrium scorodonia | GB, VC113 Channel Islands, Jersey, Waterworks Valley | | Lester Vallis Lester-Garland | 26/7/1900 | K |
| Teucrium scordium | GB, VC4 North Devon, Braunton Burrows | William Moyle Rogers | Lester Vallis Lester-Garland William Moyle Rogers | 23/8/1877 | K |
| Teucrium scordium | GB, Devon | | Lester Vallis Lester-Garland | 1876 | K |
| Teucrium scordium | GB, VC29 Cambridgeshire, Ely | A Bennett J Bennett | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland | 3/8/1901 | K |
| Teucrium scordium | IE, Ambiguous locality (IE), Lough Derg | William Richardson Linton | Lester Vallis Lester-Garland | | K |
| Teucrium botrys | GB, VC17 Surrey, Box Hill | George Claridge Druce | Botanical Exchange Club of The British Isles Oxford University Herbarium Lester Vallis Lester-Garland | 6/1897 | K |
| Teucrium botrys | GB, VC17 Surrey, Dorking | Bernard Stilwell | Lester Vallis Lester-Garland | 21/7/1923 | K |
| Teucrium botrys | GB, VC33 East Gloucestershire, Sapperton | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland | 26/8/1919 | K |
| Tephroseris integrifolia | GB, VC9 Dorset, Shapwick | Richard Paget Murray | Lester Vallis Lester-Garland | 9/6/1898 | K |
| Tephroseris integrifolia | GB, VC22 Berkshire, Streatley | | Lester Vallis Lester-Garland | 14/6/1895 | K |
| Tephroseris integrifolia | GB, VC52 Anglesey, Holyhead | John Edwards Griffith | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland | 20/6/1901 | K |
| Stellaria palustris | GB, VC17 Surrey, Guildford | Lester Vallis Lester-Garland | | 20/8/1918 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC2 East Cornwall, Polperro | Francis Rilstone | Botanical Exchange Club of The British Isles Francis Rilstone Lester Vallis Lester-Garland | 10/7/1919 | K |