| Limosella aquatica | GB, VC11 South Hampshire, Breamore | Patrick Martin Hall | Botanical Society & Exchange Club of The British Isles London Natural History Society Patrick Martin Hall | 26/8/1934 | SLBI |
| Aristolochia clematitis | GB, VC17 Surrey, East Surrey | G Richardson | London Natural History Society | 22/5/1937 | SLBI |
| Aristolochia rotunda | GB, VC17 Surrey | Harold John Burkill | London Natural History Society | 9/1928 | SLBI |
| Asarum europaeum | GB, VC24 Buckinghamshire, Wendover | John C Robbins | London Natural History Society | 5/5/1929 | SLBI |
| Atropa belladonna | GB, VC17 Surrey, Caterham | D J Ward | London Natural History Society | 3/6/1927 | SLBI |
| Bryonia dioica | GB, VC18 South Essex, Chingford | W E Gaye | London Natural History Society | 25/9/1938 | SLBI |
| Callitriche stagnalis | GB, VC17 Surrey, Bookham Common | | London Natural History Society | 14/6/1953 | SLBI |
| Calystegia sepium | GB, VC18 South Essex, North Weald | Joseph Henry Garfield Peterken | London Natural History Society | 12/7/1938 | SLBI |
| Cannabis sativa | GB, VC18 South Essex, Leytonstone | Joseph Henry Garfield Peterken | London Natural History Society | 18/8/1940 | SLBI |
| Carex pseudocyperus | GB, VC17 Surrey, Byfleet | C Su | London Natural History Society | 30/6/1901 | BM |
| Carex pseudocyperus | GB, VC17 Surrey, Byfleet | | London Natural History Society | 24/6/1945 | BM |
| Carex spicata | GB, VC18 South Essex, Epping Forest | | London Natural History Society | 21/5/1927 | BM |
| Centaurium littorale | GB, VC48 Merionethshire, Mochras Point | | London Natural History Society | 10/7/1899 | SLBI |
| Ceratocapnos claviculata | GB, VC17 Surrey, Wimbledon Common | G M Gibson | London Natural History Society | 16/6/1939 | SLBI |
| Chrysosplenium alternifolium | GB, VC17 Surrey, Oxted | John C Robbins | London Natural History Society | 1/4/1923 | SLBI |
| Claytonia sibirica | GB, VC21 Middlesex, Hampstead Heath | Richard Sidney Richmond Fitter | London Natural History Society | 19/8/1945 | SLBI |
| Dactylorhiza fuchsii | GB, VC17 Surrey, Great Bookham Common | G F Lawrence | London Natural History Society | 11/7/1954 | SLBI |
| Dianthus armeria | GB, VC17 Surrey, Fetcham Cultivated GB, VC17 Surrey, Wisley | H J Burkhill | London Natural History Society | 9/1940 | SLBI |
| Dianthus deltoides | GB, VC50 Denbighshire, Pentrefelin | | London Natural History Society | | SLBI |
| Dianthus gallicus | GB, VC113 Channel Islands, Jersey | C E Longfield | London Natural History Society | 6/1936 | SLBI |
| Filipendula ulmaria | | | London Natural History Society | 1953 | SLBI |
| Geranium phaeum | GB, VC17 Surrey, Friday Street | A B Hornblower | London Natural History Society | 9/7/1909 | SLBI |
| Glaucium flavum | GB, VC113 Channel Islands, Jersey | E F How | London Natural History Society | 24/10/1883 | SLBI |
| Hyoscyamus niger | GB, VC16 West Kent, Birling | Harold John Burkill | London Natural History Society | 27/5/1923 | SLBI |
| Impatiens noli-tangere | GB, VC48 Merionethshire, Dolgellau | | London Natural History Society | 7/7/1899 | SLBI |
| Lathyrus japonicus subsp. maritimus | GB, VC25 East Suffolk, Hollesley | John C Robbins | London Natural History Society | 14/10/1928 | SLBI |
| Leonurus cardiaca | | | London Natural History Society L G Payne | | SLBI |
| Luzula campestris | GB, VC17 Surrey, Great Bookham Common | | London Natural History Society | 14/6/1953 | SLBI |
| Melampyrum pratense | GB, VC18 South Essex, High Beech | W E Gaye | London Natural History Society | 22/9/1938 | SLBI |
| Menyanthes trifoliata | GB, VC18 South Essex, Coopersale | | London Natural History Society Joseph Henry Garfield Peterken | 11/6/1938 | SLBI |
| Mercurialis annua | GB, VC17 Surrey, Richmond Park | C L Collenette | London Natural History Society | 31/7/1938 | SLBI |
| Mercurialis perennis | GB, VC17 Surrey, Bookham Common | | London Natural History Society | 12/4/1953 | SLBI |
| Moehringia trinervia | GB, VC17 Surrey, Bookham Common | Alfred William Jones | London Natural History Society | 10/5/1953 | SLBI |
| Moneses uniflora | GB, VC92 South Aberdeenshire, Glenbuchat | W E Gaye | London Natural History Society | 2/7/1938 | SLBI |
| Myosotis discolor | GB, VC18 South Essex, High Beech | E L S | London Natural History Society | 9/5/1895 | SLBI |
| Myosotis discolor | GB, VC17 Surrey, Limpsfield | John C Robbins | London Natural History Society | 2/5/1923 to 3/5/1923 | SLBI |
| Nymphoides peltata | GB, VC17,VC21, Twickenham | | London Natural History Society | 10/9/1934 | SLBI |
| Ornithopus perpusillus | GB, VC17 Surrey, Teddington Lock | C L Collenette | London Natural History Society | 12/6/1938 | SLBI |
| Petrorhagia prolifera | GB, VC113 Channel Islands, Jersey | C E Longfield | London Natural History Society | 6/1936 | SLBI |
| Petroselinum segetum | GB, VC13 West Sussex, Arundel | John C Robbins | London Natural History Society | 3/9/1922 | SLBI |