| Lamium album | GB, VC6 North Somerset, Pitney | Victor Samuel Summerhayes | | 9/4/1921 | K |
| Lycopus europaeus | GB, VC17 Surrey, Kew | Victor Samuel Summerhayes William Bertram Turrill | | 30/7/1923 | K |
| Scutellaria minor | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 10/8/1925 | K |
| Ajuga reptans | GB, VC17 Surrey, Gomshall | Victor Samuel Summerhayes William Bertram Turrill | | 3/5/1927 | K |
| Ajuga reptans | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 3/5/1927 | K |
| Ajuga reptans | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Ajuga reptans | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Ajuga reptans | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Ajuga reptans | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Cephalanthera damasonium | GB, VC17 Surrey, East Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | BR |
| Glechoma hederacea | GB, VC17 Surrey, Gomshall | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Glechoma hederacea | GB, VC17 Surrey, Gomshall GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Glechoma hederacea | GB, VC17 Surrey, Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Lamium galeobdolon subsp. montanum | GB, VC17 Surrey, East Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Lamium galeobdolon subsp. montanum | GB, VC17 Surrey, East Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Lamium galeobdolon subsp. montanum | GB, VC17 Surrey, East Horsley | Victor Samuel Summerhayes William Bertram Turrill | | 31/5/1927 | K |
| Scleranthus annuus | GB, VC17 Surrey, Wisley | Victor Samuel Summerhayes | | 21/6/1927 | K |
| Hordeum marinum | GB, VC6 North Somerset, Burnham-on-Sea | Victor Samuel Summerhayes | | 10/7/1927 | K |
| Plantago media | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 23/7/1927 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Ruislip | Victor Samuel Summerhayes William Bertram Turrill | | 11/8/1927 | K |
| Stachys palustris | GB, VC21 Middlesex, Newyears Green | Victor Samuel Summerhayes William Bertram Turrill | | 11/8/1927 | K |
| Stachys palustris | GB, VC21 Middlesex, Ruislip | Victor Samuel Summerhayes William Bertram Turrill | | 11/8/1927 | K |
| Veronica chamaedrys | GB, VC20 Hertfordshire, St Albans | Victor Samuel Summerhayes William Bertram Turrill | | 23/9/1927 | K |
| Veronica persica | GB, VC20 Hertfordshire, Watford | Victor Samuel Summerhayes William Bertram Turrill | | 23/9/1927 | K |
| Veronica persica | GB, VC20 Hertfordshire, Watford | Victor Samuel Summerhayes William Bertram Turrill | | 23/9/1927 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Kew Gardens | Victor Samuel Summerhayes William Bertram Turrill | | 2/2/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Wimbledon Common | Victor Samuel Summerhayes William Bertram Turrill | | 7/2/1928 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Kew Gardens | Victor Samuel Summerhayes William Bertram Turrill | | 9/2/1928 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Kew Gardens | Victor Samuel Summerhayes William Bertram Turrill | | 9/2/1928 | K |
| Plantago major subsp. major | GB, VC17 Surrey, Kew Gardens | Victor Samuel Summerhayes William Bertram Turrill | | 9/2/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Kew | Victor Samuel Summerhayes William Bertram Turrill | | 5/3/1928 | K |
| Veronica hederifolia | GB, VC17 Surrey, Kew | Victor Samuel Summerhayes William Bertram Turrill | | 5/3/1928 | K |
| Veronica hederifolia subsp. sublobata | GB, VC17 Surrey, Kew Gardens | Victor Samuel Summerhayes William Bertram Turrill | | 2/4/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Box Hill | Victor Samuel Summerhayes William Bertram Turrill | | 4/4/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Crabtree Cottage | Victor Samuel Summerhayes William Bertram Turrill | | 4/4/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Crabtree Cottage | Victor Samuel Summerhayes William Bertram Turrill | | 4/4/1928 | K |
| Glechoma hederacea | GB, VC17 Surrey, Fetcham Downs | Victor Samuel Summerhayes William Bertram Turrill | | 4/4/1928 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew | Victor Samuel Summerhayes | | 15/5/1928 | K |
| Lamium purpureum var. purpureum | GB, VC17 Surrey, Kew Cultivated | Victor Samuel Summerhayes | | 15/5/1928 | K |
| Callitriche stagnalis | GB, VC17 Surrey, Richmond | Victor Samuel Summerhayes William Bertram Turrill | | 8/6/1928 | K |