| Mentha arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 1/8/1943 | K |
| Veronica anagallis-aquatica | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 3/8/1943 | 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 | | 2/7/1945 | K |
| Festuca arundinacea | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 2/7/1945 | K |
| Veronica beccabunga | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 14/6/1946 | K |
| Ranunculus arvensis | GB, VC6 North Somerset, Street | Victor Samuel Summerhayes | | 19/6/1946 | K |
| Origanum vulgare | GB, VC6 North Somerset, Street, Walton Hill | Victor Samuel Summerhayes | | 21/8/1937 | K |
| Stachys palustris | GB, VC6 North Somerset, Walton | Victor Samuel Summerhayes | | 7/1914 | K |
| Kickxia elatine subsp. elatine | GB, VC6 North Somerset, Walton | Victor Samuel Summerhayes | | 19/7/1928 | K |
| Veronica chamaedrys | GB, VC6 North Somerset, Walton | Victor Samuel Summerhayes | | 27/4/1936 | K |
| Torilis arvensis | GB, VC6 North Somerset, Walton | Victor Samuel Summerhayes | | 12/7/1957 | K |
| Veronica officinalis | GB, VC6 North Somerset, Walton Heath | Victor Samuel Summerhayes | | 17/6/1946 | K |
| Orchis morio | GB, VC6 North Somerset, Walton Heath | Victor Samuel Summerhayes | | 30/5/1954 | K |
| Baldellia ranunculoides | GB, VC6 North Somerset, Walton Moor | Victor Samuel Summerhayes | | 8/7/1919 | K |
| Herminium monorchis | GB, VC7 North Wiltshire, Calne | Victor Samuel Summerhayes | | 23/6/1948 | K |
| Habenaria viride | GB, VC7 North Wiltshire, Calne | Victor Samuel Summerhayes | | 23/6/1948 | K |
| Orchis ustulata | GB, VC7 North Wiltshire, Devizes | Victor Samuel Summerhayes | | 23/6/1948 | K |
| Cephalanthera longifolia | GB, VC8 South Wiltshire, Winterbourne | Victor Samuel Summerhayes | | 23/5/1956 | K |
| Cephalanthera longifolia | GB, VC8 South Wiltshire, Winterbourne | Victor Samuel Summerhayes | | 19/5/1957 | K |
| Herminium monorchis | GB, VC9 Dorset, Cerne Abbas | Victor Samuel Summerhayes | | 21/7/1956 | K |
| Cuscuta epithymum | GB, VC9 Dorset, Stoborough | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 17/6/1933 | K |
| Lamium amplexicaule | GB, VC11 South Hampshire, Bournemouth | Victor Samuel Summerhayes | | 28/4/1930 | K |
| Galeopsis angustifolia | GB, VC11 South Hampshire, Petersfield | Victor Samuel Summerhayes | | 25/7/1952 | K |
| Orchis morio | GB, VC11 South Hampshire, Stephen's Castle Down | Victor Samuel Summerhayes | | 5/6/1955 | K |
| Aceras anthropophorum | GB, VC11 South Hampshire, Stephens Castle Down | Victor Samuel Summerhayes | | 5/6/1955 | K |
| Aceras anthropophorum | GB, VC11 South Hampshire, Telegraph Hill, Winchester | Victor Samuel Summerhayes | | 5/6/1955 | K |
| Habenaria viride | GB, VC11 South Hampshire, Upham | Victor Samuel Summerhayes | | 27/8/1957 | K |
| Cephalanthera longifolia | GB, VC11 South Hampshire, West Meon | Victor Samuel Summerhayes | | 5/6/1955 | K |
| Habenaria viride | GB, VC12 North Hampshire, Broughton Down | Victor Samuel Summerhayes | | 28/7/1956 | K |
| Veronica beccabunga | GB, VC12 North Hampshire, Liphook | Victor Samuel Summerhayes | | 19/6/1947 | K |
| Habenaria viride | GB, VC12 North Hampshire, Winchester | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 7/7/1931 | K |
| Galeopsis angustifolia | GB, VC13 West Sussex, Pagham | Victor Samuel Summerhayes | | 24/7/1931 | K |
| Glebionis segetum | GB, VC13 West Sussex, West Chiltington | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 28/6/1933 | K |
| Cuscuta epithymum | GB, VC14 East Sussex, Ashdown Forest | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 18/8/1931 | K |
| Mentha aquatica | GB, VC14 East Sussex, Ashdown Forest | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 18/8/1931 | K |
| Mentha aquatica | GB, VC14 East Sussex, Ashdown Forest | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 18/8/1931 | K |
| Mentha arvensis | GB, VC14 East Sussex, Ashdown Forest | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 18/8/1931 | K |
| Veronica montana | GB, VC14 East Sussex, Ashdown Forest | Victor Samuel Summerhayes | | 26/6/1939 | K |
| Plantago coronopus | GB, VC14 East Sussex, Seaford | Edgar Wolston Bertram Handsley Milne-Redhead Victor Samuel Summerhayes | | 7/6/1931 | K |