| + | Plantago media var. monnieri | GB, VC23 Oxfordshire, Swalcliffe | Harry Joseph Riddelsdell | | 25/6/1925 | K | 25/3/2014 |
| + | Euphorbia cyparissias | GB, VC16 West Kent, Dartford Heath | Isaac A Helsby | Isaac A Helsby | 27/6/1925 | SLBI | 26/1/2014 |
| + | Ulmus minor subsp. angustifolia | GB, VC6 North Somerset, Wraxall | Ida Mary Roper | Watson Botanical Exchange Club
Ida Mary Roper | 3/3/1926
13/4/1926
26/7/1926 | SLBI | 26/1/2014 |
| + | Mercurialis perennis | GB, VC17 Surrey, Thursley | Iolo Aneurin Williams | Watson Botanical Exchange Club | 22/4/1926 | SLBI | 27/1/2014 |
| + | Plantago coronopus | GB, VC13,VC14, Brighton | Harry Joseph Riddelsdell | | 10/7/1926 | K | 12/2/2014 |
| + | Castanea sativa | GB, VC20 Hertfordshire, Watford | Isaac A Helsby | Isaac A Helsby | 17/7/1926 | SLBI | 28/1/2014 |
| + | Ulmus minor subsp. angustifolia | GB, VC6 North Somerset, Wraxall | Ida Mary Roper | Ida Mary Roper | 26/7/1926 | SLBI | 26/1/2014 |
| + | Callitriche stagnalis | GB, VC28 West Norfolk, Dersingham | Charles Edward Hubbard | | 8/1926 | K | 12/2/2014 |
| + | Kickxia spuria | GB, VC70 Cumberland, Keswick | Reynolds | | 9/1926 | K | 22/2/2014 |
| + | Mercurialis annua | GB, VC16 West Kent, Hayes | F A Swain | Job Edward Lousley | 21/10/1926 | SLBI | 21/1/2014 |
| + | Veronica montana | GB, VC24 Buckinghamshire, Chesham | William Bertram Turrill | | 1/5/1927 | K | 11/2/2014 |
| + | Rumex pseudoalpinus | GB, VC17 Surrey, Tulse Hill | William Robert Sherrin | Job Edward Lousley | 1/6/1927 | SLBI | 25/1/2014 |
| + | Urtica dioica | Abbeywood | St John Marriott | Isaac A Helsby | 5/8/1927 | SLBI | 25/1/2014 |
| + | Urtica dioica | GB, VC16 West Kent, Abbey Wood | St John Marriott | Isaac A Helsby | 5/8/1927 | SLBI | 25/1/2014 |
| + | Linaria vulgaris | GB, VC28 West Norfolk, West Newton | Charles Edward Hubbard | | 29/8/1927 | K | 12/2/2014 |
| + | Alnus glutinosa | GB, VC28 West Norfolk, Wallington Hall | Joseph Edward Little | Watson Botanical Exchange Club | 23/9/1927 | SLBI | 23/1/2014 |
| + | Veronica hederifolia | GB, VC17 Surrey, Kew | Victor Samuel Summerhayes
William Bertram Turrill | | 5/3/1928 | K | 11/2/2014 |
| + | Veronica montana | GB, VC24 Buckinghamshire, Chalfont Saint Giles | F E Turrill
William Bertram Turrill | | 14/5/1928 | K | 22/2/2014 |
| + | Fraxinus excelsior | GB, VC20 Hertfordshire, Hemel Hempstead | Victor Samuel Summerhayes
William Bertram Turrill | | 10/6/1928 | K | 11/2/2014 |
| + | Carpinus betulus | GB, VC32 Northamptonshire, Mawsley | George Claridge Druce | Botanical Exchange Club of The British Isles
Job Edward Lousley | 9/1928 | SLBI | 23/1/2014 |
| + | Plantago lanceolata | GB, VC82 East Lothian, Longniddry | Alexander Wright | J Fraser | 3/9/1928 | K | 2/4/2014 |
| + | Veronica anagallis-aquatica | GB, VC17 Surrey, Kew | Arthur Reginald Horwood | | 8/9/1928 | K | 2/3/2014 |
| + | Misopates orontium | GB, VC113 Channel Islands, Grève de la Ville, Sark | E A Golby
Francis Ballard | | 11/9/1928 | K | 12/2/2014 |
| + | Ulmus minor subsp. angustifolia | GB, VC2 East Cornwall, Polperro | Francis Rilstone | Watson Botanical Exchange Club
Job Edward Lousley | 4/1929 | SLBI | 21/1/2014 |
| + | Ulmus glabra subsp. montana | GB, VC1 West Cornwall, Landewednack | Job Edward Lousley | Job Edward Lousley | 3/5/1929 | SLBI | 26/1/2014 |
| + | Plantago coronopus | GB, VC113 Channel Islands, Sark | E A Golby
Francis Ballard | | 9/6/1929 | K | 25/3/2014 |
| + | Linaria supina | GB, VC2 East Cornwall, Par Harbour | Laurence T Medlin | Edgar Thurston | 29/6/1929 | K | 12/2/2014 |
| + | Callitriche stagnalis | GB, VC17 Surrey, Richmond Park | Charles Edward Hubbard
Victor Samuel Summerhayes | | 2/9/1929 | K | 2/4/2014 |
| + | Callitriche obtusangula | GB, VC17 Surrey, Richmond Park | Edgar Wolston Bertram Handsley Milne-Redhead | | 17/9/1929 | K | 12/2/2014 |
| + | Betula pendula | GB, VC17 Surrey, Clandon Downs, Surrey | Edward Charles Wallace | Edward Charles Wallace
Job Edward Lousley | 21/4/1930 | SLBI | 26/1/2014 |
| + | Myrica gale | GB, VC11 South Hampshire, Lyndhurst,Matley | Richard Barker Ullman | Richard Barker Ullman | 5/7/1930 | SLBI | 26/1/2014 |
| + | Plantago arenaria | GB, VC9 Dorset, Swanage | Charles David Heginbothom | | 7/8/1930 | K | 20/2/2014 |
| + | Veronica beccabunga | GB, VC16 West Kent, Eynsford | Albert Bruce Jackson
William Bertram Turrill | | 31/5/1931 | K | 22/2/2014 |
| + | Scrophularia scorodonia | GB, VC2 East Cornwall, Par Harbour | Laurence T Medlin | | 9/7/1931 | K | 12/2/2014 |
| + | Plantago lanceolata | GB, VC9 Dorset, Lyme Regis | E Ballard
Francis Ballard | | 30/8/1931 | K | 20/2/2014 |
| + | Veronica hederifolia | GB, VC22 Berkshire, Frogmore | Charles Edward Hubbard | | 24/5/1932 | K | 12/2/2014 |
| + | Ulmus glabra subsp. montana | GB, VC17 Surrey, Reigate Hill | J Fraser | Job Edward Lousley | 5/6/1932 | SLBI | 21/1/2014 |
| + | Myrica gale | GB, VC9 Dorset, Stoborough | Job Edward Lousley | Job Edward Lousley | 7/7/1932 | SLBI | 26/1/2014 |
| + | Myrica gale | GB, VC9 Dorset, Littlesea | Job Edward Lousley | Job Edward Lousley | 7/7/1932 | SLBI | 26/1/2014 |
| + | Rumex longifolius x obtusifolius = R. x hybridus | GB, VC89 East Perthshire, Moulin | Job Edward Lousley | Job Edward Lousley | 8/8/1932 | SLBI | 27/1/2014 |
| + | Veronica persica var. corrensiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club | 9/1932 to 10/1932 | K | 25/3/2014 |
| + | Quercus petraea | GB, VC16 West Kent, Knole Park | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 11/9/1932 | SLBI | 28/1/2014 |
| + | Quercus robur | GB, VC16 West Kent, Knole | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 11/9/1932 | SLBI | 28/1/2014 |
| + | Veronica scutellata | GB, VC34 West Gloucestershire, Coleford | S D Morgan | Bells Grammar School, Gloucester | 1933 | K | 14/2/2014 |
| + | Rumex pulcher | GB, VC34 West Gloucestershire, Clifton | Harold Stuart Thompson | Watson Botanical Exchange Club
Harold Stuart Thompson | 7/1933 | SLBI | 26/1/2014 |
| + | Veronica scutellata | GB, VC22 Berkshire, Greenham Common | Arthur Keith Jackson
Herbert Kenneth Airy Shaw | | 2/7/1933 | K | 12/2/2014 |
| + | Veronica arvensis | GB, VC28 West Norfolk, Appleton | Charles Edward Hubbard | | 20/7/1933 | K | 12/2/2014 |
| + | Callitriche stagnalis | GB, VC28 West Norfolk, Heacham | Charles Edward Hubbard | | 21/7/1933 | K | 12/2/2014 |
| + | Plantago major | GB, VC2 East Cornwall, Mevagissey | William Tresidder | Edgar Thurston | 29/8/1933 | K | 2/3/2014 |
| + | Buxus sempervirens | GB, VC23 Oxfordshire, Crowell | Job Edward Lousley | Job Edward Lousley | 10/9/1933 | SLBI | 26/1/2014 |
| + | Euphorbia cyparissias | GB, VC17 Surrey, Croydon | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 13/5/1934 | SLBI | 26/1/2014 |
| + | Fraxinus excelsior | GB, VC17 Surrey, Richmond Park | Richmond Park Committee | | 20/5/1934 | K | 20/2/2014 |
| + | Rumex pseudoalpinus | GB, VC64 Mid-west Yorkshire, Harrogate | Catherine Muriel Rob | Isaac A Helsby | 7/6/1934 | SLBI | 22/1/2014 |
| + | Callitriche stagnalis | GB, VC113 Channel Islands, Alderney | Arthur Keith Jackson
Herbert Kenneth Airy Shaw | | 20/6/1934 | K | 11/2/2014 |
| + | Euphorbia esula | GB, VC41 Glamorganshire, Barry Docks | Isaac A Helsby | Isaac A Helsby | 15/7/1934 | SLBI | 26/1/2014 |
| + | Sibthorpia europaea | GB, VC3 South Devon, Lustleigh | M E Edmonds | | 2/10/1934 | K | 25/3/2014 |
| + | Persicaria lapathifolia | GB, VC27 East Norfolk, Hickling | Job Edward Lousley | Charles Edward Britton
Job Edward Lousley | 8/10/1934 | SLBI | 27/1/2014 |
| + | Veronica arvensis | GB, VC38 Warwickshire, Hampton on the Hill | Arthur Reginald Horwood | | 11/6/1935 | K | 20/2/2014 |
| + | Veronica persica | GB, VC2 East Cornwall, Liskeard | Francis Rilstone | Francis Rilstone | 7/1935 | K | 20/2/2014 |
| + | Veronica officinalis | GB, VC48 Merionethshire, Corris | Victor Samuel Summerhayes | | 16/7/1935 | K | 2/3/2014 |
| + | Veronica catenata | GB, VC9 Dorset, Burton Mere | William Bertram Turrill | | 23/7/1935 | K | 2/3/2014 |
| + | Veronica catenata | GB, VC28 West Norfolk, Wretham | Charles Edward Hubbard
Francis Ballard | | 7/9/1935 | K | 12/2/2014 |
| + | Urtica dioica | GB, VC21 Middlesex, Chiswick | Edward Benedict Bangerter | Edward Benedict Bangerter | 11/6/1936 | SLBI | 26/1/2014 |
| + | Carpinus betulus | GB, VC20 Hertfordshire, Oxhey | Isaac A Helsby | Isaac A Helsby | 7/1936 | SLBI | 27/1/2014 |
| + | Veronica arvensis | GB, VC9 Dorset, Swanage | Horace M Montford
William Bertram Turrill | | 19/7/1936 | K | 11/2/2014 |
| + | Plantago major subsp. intermedia | GB, VC15 East Kent, Denge Beach | Job Edward Lousley | Job Edward Lousley | 16/8/1936 | K | 25/3/2014 |
| + | Euphorbia esula | GB, VC18 South Essex, Dagenham | Arthur H Carter | | 22/8/1936 | SLBI | 26/1/2014 |
| + | Rumex frutescens | GB, VC4 North Devon, Braunton Burrows | Job Edward Lousley | Job Edward Lousley | 20/9/1936 | SLBI | 26/1/2014 |
| + | Plantago media | GB, VC7 North Wiltshire, Marlborough Cultivated | Mary Louisa Wedgwood | | 1937 | K | 3/3/2014 |
| + | Digitalis purpurea | GB, VC6 North Somerset, Penselwood | Frederick Kirkwood Makins | | 6/1937 | K | 2/3/2014 |
| + | Sibthorpia europaea | GB, VC5 South Somerset, Holford | Frederick Kirkwood Makins | | 24/8/1937 | K | 25/3/2014 |
| + | Mercurialis annua | GB, VC15,VC16, Bexley | Philip Henry Cooke | London Natural History Society | 27/9/1937 | SLBI | 25/1/2014 |
| + | Sibthorpia europaea | IE, VCH1 South Kerry, Dingle | Brian Lawrence Burtt
Joseph Robert Sealy
Stella Ross-Craig | | 6/7/1938 | K | 2/4/2014 |
| + | Rumex conglomeratus x pulcher = R. x muretii | GB, VC17 Surrey, Shalford Common | Job Edward Lousley | | 8/7/1939 | SLBI | 23/1/2014 |
| + | Rumex obtusifolius | GB, VC99 Dunbartonshire, Auchendennan | Job Edward Lousley | | 7/8/1939 | SLBI | 26/1/2014 |
| + | Rumex pulcher | GB, VC15 East Kent, Loose | Job Edward Lousley | | 20/8/1939 | SLBI | 27/1/2014 |
| + | Quercus cerris | GB, VC3 South Devon, Torquay | Thomas Stephenson | | 10/1939 | SLBI | 29/1/2014 |
| + | Veronica agrestis | GB, VC33 East Gloucestershire, Colesbourne | Ernest Nelmes | | 15/5/1941 | K | 14/2/2014 |
| + | Rumex hydrolapathum | Cultivated | Job Edward Lousley | | 7/7/1941 | SLBI | 22/1/2014 |
| + | Alnus glutinosa subsp. glutinosa | GB, VC21 Middlesex, Hampstead Heath | Charles Avery | | 15/8/1941 | SLBI | 26/1/2014 |
| + | Mercurialis annua | GB, VC17 Surrey, Wimbledon Common | Charles Avery | | 10/9/1941 | SLBI | 26/1/2014 |
| + | Ligustrum vulgare | GB, VC22 Berkshire, Kennington | Charles Edward Hubbard | | 19/10/1941 | K | 3/3/2014 |
| + | Ulmus glabra subsp. montana | GB, VC17 Surrey, Betchworth | Edward Charles Wallace | Botanical Society & Exchange Club of The British Isles | 11/4/1942
10/5/1942
9/1942 | SLBI | 21/1/2014 |
| + | Ulmus minor subsp. angustifolia | GB, VC17 Surrey, Kew Bridge | Damaris Editha Gepp | | 7/7/1942 | SLBI | 23/1/2014 |
| + | Quercus petraea | GB, VC21 Middlesex, Hampstead Heath | Damaris Editha Gepp | | 7/7/1942 | SLBI | 28/1/2014 |
| + | Linaria purpurea | GB, VC23 Oxfordshire, Oxford, Yardley Lodge | Charles Edward Hubbard | | 9/1942 | K | 25/3/2014 |
| + | Mercurialis perennis | GB, VC23 Oxfordshire, Headington | Francis Ballard | | 11/3/1943 | SLBI | 26/1/2014 |
| + | Veronica serpyllifolia | GB, VC22 Berkshire, Bagley Wood | William Bertram Turrill | | 29/5/1943 | K | 2/4/2014 |
| + | Urtica urens | GB, VC17 Surrey, Ham | Job Edward Lousley | Job Edward Lousley | 12/6/1943 | SLBI | 27/1/2014 |
| + | Chaenorhinum minus | GB, VC23 Oxfordshire, Cassington | Charles Edward Hubbard | | 5/7/1943 | K | 2/3/2014 |
| + | Veronica catenata | GB, VC28 West Norfolk, Appleton | Charles Edward Hubbard | | 10/8/1943 | K | 25/3/2014 |
| + | Veronica montana | GB, VC23 Oxfordshire, Bladon | Charles Edward Hubbard
William Bertram Turrill | | 4/5/1944 | K | 22/2/2014 |
| + | Veronica persica | GB, VC23 Oxfordshire, Woodstock | Charles Edward Hubbard
William Bertram Turrill | | 26/7/1944 | K | 12/2/2014 |
| + | Cymbalaria muralis | GB, VC17 Surrey, Petersham | Joseph Robert Sealy
Stella Ross-Craig | | 12/8/1944 | K | 25/3/2014 |
| + | Linaria vulgaris | GB, VC23 Oxfordshire, Woodstock | Charles Edward Hubbard
William Bertram Turrill | | 22/9/1944 | K | 2/3/2014 |
| + | Veronica hederifolia | GB, VC23 Oxfordshire, Woodstock | William Bertram Turrill | | 20/4/1945 | K | 20/2/2014 |
| + | Callitriche stagnalis | GB, VC30 Bedfordshire, Flitwick | Edgar Wolston Bertram Handsley Milne-Redhead
John Patrick Micklethwait Brenan | | 21/7/1946 | K | 30/1/2014 |
| + | Plantago major subsp. major | GB, VC17 Surrey, Kew Gardens | Edward James Salisbury | | 26/6/1947 | K | 22/2/2014 |
| + | Cymbalaria muralis | IE, VCH14 Laois, Maryborough | Norman Loftus Bor | | 7/1947 | K | 11/2/2014 |
| + | Veronica spicata | GB, VC49 Caernarvonshire, Llandudno, Nant y Gamar | Victor Samuel Summerhayes | | 22/7/1947 | K | 3/3/2014 |
| + | Plantago coronopus | GB, VC16 West Kent, Isle of Grain | Frank Senogles | | 19/7/1948 | K | 22/2/2014 |
| + | Veronica montana | GB, VC34 West Gloucestershire, Symonds Yat | Clifford Charles Townsend | Clifford Charles Townsend | 28/6/1949 | K | 2/3/2014 |
| + | Plantago lanceolata | GB, VC105 West Ross & Cromarty, Knockan | Job Edward Lousley | Job Edward Lousley | 6/7/1953 | K | 2/4/2014 |
| + | Misopates orontium | GB, VC9 Dorset, Wareham | Clifford Charles Townsend | Clifford Charles Townsend | 14/7/1953 | K | 11/2/2014 |
| + | Humulus lupulus | GB, VC17 Surrey, Great Bookham Common | Peter Charles Hall | London Natural History Society | 13/9/1953 | SLBI | 21/1/2014 |
| + | Corylus avellana | GB, VC17 Surrey, Great Bookham Common | Joan Frances Hall | London Natural History Society | 14/3/1954 | SLBI | 28/1/2014 |
| + | Plantago major subsp. major | GB, VC85 Fifeshire, Isle of May | William Julius Eggeling | | 8/1954 | K | 22/2/2014 |
| + | Callitriche obtusangula | GB, VC85 Fifeshire, Isle of May | William Julius Eggeling | | 8/1954 | K | 2/3/2014 |
| + | Callitriche intermedia | IE, VCH33 Fermanagh, Ballinamallard | Edward Norman Carrothers | | 7/1955 | K | 12/2/2014 |
| + | Callitriche platycarpa | GB, VC21 Middlesex, Brentford | John Eustace Sirett Souster | | 22/6/1956 | K | 24/2/2014 |
| + | Callitriche platycarpa | GB, VC6 North Somerset, Sharpham Park | Victor Samuel Summerhayes | | 18/7/1956 | K | 25/3/2014 |
| + | Persicaria mitis | GB, VC17 Surrey, Morden Park | R C Wingfield | Croydon Natural History and Scientific Society
Donald Peter Young | 1957 | SLBI | 26/1/2014 |
| + | Callitriche stagnalis | GB, VC17 Surrey, Claygate | Noel Yvri Sandwith | | 3/6/1957 | K | 3/3/2014 |
| + | Callitriche obtusangula | GB, VC31 Huntingdonshire, Farcet | John Lester Gilbert | | 28/5/1958 | K | 12/2/2014 |
| + | Callitriche intermedia subsp. hamulata | GB, VC53 South Lincolnshire, Corby | John Harris Chandler | | 12/8/1958 | K | 11/2/2014 |
| + | Callitriche stagnalis | GB, VC53 South Lincolnshire, Greatford | John Harris Chandler | | 5/5/1959 | K | 25/3/2014 |
| + | Callitriche stagnalis | GB, VC6 North Somerset, Clutton | Noel Yvri Sandwith | | 7/6/1959 | K | 25/3/2014 |
| + | Scrophularia vernalis | GB, VC82 East Lothian, Archerfield | Job Edward Lousley | Job Edward Lousley | 9/4/1961 | K | 12/2/2014 |
| + | Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Epsom | E B Lee | Royal Botanic Gardens, Kew | 8/10/1976 | SLBI | 21/1/2014 |
| + | Linaria vulgaris x repens = L. x sepium | GB, VC21 Middlesex, Feltham | Philip James Cribb | | 7/7/1977 | K | 2/3/2014 |
| + | Plantago coronopus | GB, VC25 East Suffolk, Covehithe | E A M Ormerod
J Powell
R White
S Linington | | 7/9/1982 | K | 12/2/2014 |
| + | Castanea sativa | GB, VC18 South Essex, Belhus | Ken Hill | | 9/1992 | SLBI | 29/1/2014 |
| + | Veronica serpyllifolia | GB, VC22 Berkshire, Silwood Park | M J Crawley | Imperial College British Flora Project | 4/2001 | K | 3/3/2014 |
| + | Quercus cerris x ilex | GB, VC17 Surrey, Tooting | A R Vickery | | 1/1/2013 | SLBI | 28/1/2014 |
