| Galeopsis angustifolia | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 2/8/1943 | K |
| Glechoma hederacea | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 19/4/1935 | K |
| Lamium galeobdolon subsp. montanum | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 21/4/1935 | K |
| Ligustrum vulgare | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 29/6/1945 | K |
| Scrophularia nodosa | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 9/8/1943 | K |
| Thymus praecox subsp. arcticus | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 18/7/1915 | K |
| Veronica arvensis | GB, VC6 North Somerset, Polden Hills | Victor Samuel Summerhayes | | 28/4/1935 | K |
| Veronica montana | GB, VC6 North Somerset, Pylle | Victor Samuel Summerhayes | | 14/5/1947 | K |
| Habenaria viride | GB, VC6 North Somerset, Shapwick | Victor Samuel Summerhayes | | 3/6/1954 | K |
| Veronica catenata | GB, VC6 North Somerset, Sharpham Moor | Victor Samuel Summerhayes | | 18/7/1956 | K |
| Callitriche platycarpa | GB, VC6 North Somerset, Sharpham Park | Victor Samuel Summerhayes | | 18/7/1956 | K |
| Ranunculus arvensis | GB, VC6 North Somerset, Somerton | Victor Samuel Summerhayes | | 27/5/1956 | K |
| Torilis arvensis | GB, VC6 North Somerset, Somerton | Victor Samuel Summerhayes | | 19/7/1956 | K |
| Baldellia ranunculoides | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 8/7/1919 | K |
| Callitriche stagnalis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 9/7/1928 | K |
| Cymbalaria muralis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 19/4/1935 | K |
| Dactylis glomerata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 18/8/1932 | K |
| Festuca arundinacea | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 2/7/1945 | K |
| Galeopsis bifida | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/9/1915 | K |
| Galeopsis tetrahit | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 9/4/1929 | K |
| Kickxia elatine subsp. elatine | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 21/9/1915 | K |
| Kickxia spuria | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 7/1913 | K |
| Lamium purpureum var. incisum | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 24/4/1936 | K |
| Mentha aquatica | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/9/1915 | K |
| Mentha aquatica | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 16/8/1932 | K |
| Mentha arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 1/8/1943 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 10/8/1915 | K |
| Mentha x verticillata var. rivalis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 27/8/1934 | K |
| Orchis morio | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 6/1918 | K |
| Plantago lanceolata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 25/4/1935 | K |
| Plantago major subsp. major | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 31/7/1943 | K |
| Plantago media | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 23/7/1927 | K |
| Ranunculus arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 19/6/1946 | K |
| Scrophularia auriculata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/8/1943 | K |
| Scrophularia auriculata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/8/1943 | K |
| Scrophularia auriculata | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/8/1943 | K |
| Scutellaria minor | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 10/8/1925 | K |
| Stachys sylvatica | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 24/6/1945 | K |
| Torilis arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 9/1920 | K |
| Torilis arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 2/7/1945 | K |