| Verbascum thapsus | GB, VC16 West Kent, Hayes | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 8/9/1907 | K |
| Verbascum pulverulentum | GB, VC27 East Norfolk, Norwich | George Fitt | Benjamin Thompson Lowne jnr | | K |
| Verbascum pulverulentum | GB, VC27 East Norfolk, Thorpe | Robert James Mann | Benjamin Thompson Lowne jnr | 7/1834 | K |
| Verbascum phlomoides | GB, VC2 East Cornwall, Par | Edgar Thurston | Benjamin Thompson Lowne jnr | 12/7/1913 | K |
| Verbascum nigrum | GB, VC16 West Kent, Coney Hall | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 8/9/1907 | K |
| Verbascum nigrum | GB, VC16 West Kent, Farnborough | Benjamin Thompson Lowne jnr | | 8/1898 | K |
| Verbascum nigrum | GB, VC16 West Kent, Keston | | Benjamin Thompson Lowne jnr | 8/1898 | K |
| Verbascum lychnitis var. album | GB, VC16 West Kent, Keston | Benjamin Thompson Lowne jnr | | 7/1900 | K |
| Verbascum lychnitis var. album | GB, VC16 West Kent, Keston | | Benjamin Thompson Lowne jnr | 7/1900 | K |
| Verbascum densiflorum | GB, VC13 West Sussex, Worthing | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 24/7/1946 | K |
| Verbascum blattaria | GB, VC27 East Norfolk, Thorpe | Robert James Mann | Benjamin Thompson Lowne jnr Robert James Mann | 1835 | K |
| Torilis arvensis | GB, VC13 West Sussex, Sompting | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 6/9/1936 | K |
| Torilis arvensis | GB, VC27 East Norfolk, Thorpe | | Benjamin Thompson Lowne jnr Robert James Mann | 1835 | K |
| Thymus serpyllum | GB, VC16 West Kent, Downe | Benjamin Thompson Lowne jnr | | 7/1899 | K |
| Thymus chamaedrys | GB, VC13 West Sussex, Bow Hill | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 20/9/1948 | K |
| Thymus chamaedrys | GB, VC13 West Sussex, Lavant | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 20/9/1948 | K |
| Thymus | GB, VC4 North Devon, Hunters Inn | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 19/8/1910 | K |
| Thymus | GB, VC17 Surrey, Mickleham Downs | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 21/6/1919 | K |
| Thymus | GB, VC65 North-west Yorkshire, Scaurberry Bridge [Scoberry Bridge] | | Benjamin Thompson Lowne jnr | 24/6/1920 | K |
| Thesium | GB, VC14 East Sussex, Eastbourne | Milner | Benjamin Thompson Lowne jnr | 19/6/1906 | SLBI |
| Teucrium scorodonia | | | Benjamin Thompson Lowne jnr | 6/5/1944 | K |
| Teucrium scorodonia | | | Benjamin Thompson Lowne jnr | 30/8/1944 | K |
| Teucrium scorodonia | | | Benjamin Thompson Lowne jnr | 27/4/1944 | K |
| Teucrium scordium | Cultivated | | Benjamin Thompson Lowne jnr | | K |
| Teucrium chamaedrys | Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | | K |
| Teucrium chamaedrys | GB, VC14 East Sussex, Camber Castle | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 8/7/1950 | K |
| Teucrium chamaedrys | GB, VC27 East Norfolk, Norwich | Robert James Mann | Benjamin Thompson Lowne jnr | 9/1837 | K |
| Teucrium botrys | Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | | K |
| Teucrium botrys | GB, VC17 Surrey, Farleigh | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 7/1900 | K |
| Tephroseris integrifolia | GB, VC12 North Hampshire, Winchester, Saint Catherine's Hill | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 11/6/1909 | K |
| Stellaria palustris | Cultivated | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 25/4/1943 to 16/5/1943 | K |
| Stellaria palustris | Cultivated | | Benjamin Thompson Lowne jnr | 25/4/1943 16/5/1943 | K |
| Stellaria palustris | GB, VC13 West Sussex, Amberley Wild Brooks | Benjamin Thompson Lowne jnr | | 1/7/1934 | K |
| Stellaria palustris | GB, VC27 East Norfolk, Postwick | Robert James Mann | Benjamin Thompson Lowne jnr | 1834 | K |
| Stachys sylvatica | Cultivated | | Benjamin Thompson Lowne jnr | | K |
| Stachys sylvatica | GB, VC16 West Kent, Bickley | Benjamin Thompson Lowne jnr | | 7/1899 | K |
| Stachys palustris | GB, VC11 South Hampshire, Matley Bog | Henry Dixon Hewitt | Benjamin Thompson Lowne jnr | 12/8/1901 | K |
| Stachys officinalis | GB, VC16 West Kent, Chelsfield | Benjamin Thompson Lowne jnr | Benjamin Thompson Lowne jnr | 18/7/1914 | K |
| Stachys officinalis | GB, VC16 West Kent, Keston, Holwood Park | Benjamin Thompson Lowne jnr | | 7/1898 | K |
| Stachys officinalis | GB, Essex, Chelmsford | | Benjamin Thompson Lowne jnr | 1836 | K |