| + | Acalypha gracilens | USFL, Franklin County, Lanark | Robert K Godfrey | | 23/9/1961 | FSU | 24/8/2015 |
| + | Acalypha gracilens | USFL, Charlotte County, Port Charlotte | Robert K Godfrey | | 20/11/1964 | FSU | 1/9/2015 |
| + | Acalypha setosa | USFL, Calhoun County, Blountstown | Loran C Anderson | Florida State University, Robert K. Godfrey Herbarium | 31/7/2013 | FSU | 29/3/2015 |
| + | Acalypha virginica | USFL, Liberty County, Torreya State Park | Robert K Godfrey | | 27/9/1969 | FSU | 2/9/2015 |
| + | Acer campestre | GB, VC34 West Gloucestershire, Lancaut | | | 10/10/1909 | GLR | 27/11/2010 |
| + | Acer campestre | GB, VC34 West Gloucestershire, Tidenham | Walter Butt | | 12/5/1912 | GLR | 2/1/2011 |
| + | Acer campestre | IE, VCH14 Laois, Emo | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1896 | DBC | 19/4/2011 |
| + | Acer campestre | GB, VC21 Middlesex, Hornsey | | | 13/5/1874 | DBC | 5/5/2011 |
| + | Acer negundo | USFL, Taylor County, Aucilla River | Robert K Godfrey | Robert K Godfrey | 13/3/1981 | FSU | 21/5/2015 |
| + | Acer negundo | USFL, Calhoun County, Blountstown | Sidney McDaniel | | 8/4/1967 | FSU | 22/8/2015 |
| + | Acer saccharinum | USFL, Gadsden County, Chattahoochee | Herman Kurz | | 27/5/1953 | FSU | 2/9/2015 |
| + | Aceras anthropophorum | GB, VC13 West Sussex, Wolstonbury Hill | A Saunders | E F Saunders | 6/1926 | K | 17/9/2012 |
| + | Aceras anthropophorum | GB, VC17 Surrey, Reigate Hill | Albert John Crosfield | | 2/6/1881 | K | 18/9/2012 |
| + | Aceras anthropophorum | GB, VC17 Surrey, Box Hill | | William Jackson Hooker | | K | 19/9/2012 |
| + | Achillea distans subsp. tanacetifolia | GB, VC61 South-east Yorkshire, Hull | Charles Waterfall | Allan Octavian Hume
Charles Waterfall
Frederick Townsend | 7/1900 | SLBI | 21/11/2012 |
| + | Achillea ptarmica | GB, VC13 West Sussex, Horsham | William Robert Sherrin | William Robert Sherrin | 4/7/1898 | SLBI | 19/11/2012 |
| + | Achillea ptarmica | GB, VC17 Surrey, Wimbledon Common | Edward Benedict Bangerter | Edward Benedict Bangerter | 5/8/1936 | SLBI | 23/11/2012 |
| + | Achillea ptarmica | GB, VC17 Surrey, Wimbledon Common | Edward Benedict Bangerter | Edward Benedict Bangerter | 5/8/1936 | SLBI | 23/11/2012 |
| + | Achillea ptarmica | GB, VC65,VC66, Teesdale | Allan Octavian Hume | Allan Octavian Hume | 23/8/1903 | SLBI | 5/12/2012 |
| + | Achillea ptarmica | GB, VC46 Cardiganshire, Aberystwyth | M Winter | C E Robinson | 1891 | SLBI | 6/12/2012 |
| + | Achillea ptarmica | GB, VC46 Cardiganshire, Aberystwyth | W Winter | C E Robinson | 1891 | SLBI | 6/12/2012 |
| + | Aconitum napellus | GB, VC41 Glamorganshire, Cardiff, Roath Park | Job Edward Lousley | Job Edward Lousley | 21/4/1935 | SLBI | 6/3/2011 |
| + | Acorus calamus | GB, VC21 Middlesex, Staines | Charles Baylis Green | Charles Baylis Green | 30/7/1904 | SLBI | 23/2/2015 |
| + | Acorus calamus | GB, VC17 Surrey, Burgh Heath | Edward Charles Wallace
Jean Irene Byatt | Edward Charles Wallace | 30/9/1979 | SLBI | 3/3/2015 |
| + | Actaea spicata | GB, VC61,VC62,VC63,VC64,VC65 | Roberts Leyland | Croydon Natural History and Scientific Society
John Joseph Bennett
Robert Russell Hutchinson | 6/1822 | SLBI | 27/3/2011 |
| + | Adonis autumnalis | GB, VC14 East Sussex, Telscombe | Arthur George Gregor | Watson Botanical Exchange Club
Arthur George Gregor
William Robert Sherrin | 10/7/1899 | SLBI | 4/2/2011 |
| + | Adoxa moschatellina | GB, VC63 South-west Yorkshire, Elslack | William West | George Stephen West
William West | 4/1881 | BIRM | 1/6/2009 |
| + | Aegopodium podagraria | GB, VC10 Isle of Wight, Niton | Allan Octavian Hume | Allan Octavian Hume | 12/6/1898 | SLBI | 3/10/2012 |
| + | Agaloma discoidalis | USFL, Washington County, SE of Chipley | D.W. Hall
Daniel B Ward
N.E. Lee | | 16/10/1972 | FSU | 6/7/2015 |
| + | Agaloma Discoidasalis | USFL, Calhoun County, Clarksville | Robert K Godfrey | | 4/11/1977 | FSU | 24/8/2015 |
| + | Agrimonia eupatoria | GB, VC34 West Gloucestershire, Tutshill | | | 8/1909 | GLR | 4/2/2011 |
| + | Agrimonia eupatoria | GB, VC10 Isle of Wight, Niton | Allan Octavian Hume | Allan Octavian Hume | 17/6/1898 | SLBI | 12/6/2012 |
| + | Agrimonia eupatoria | IE, VCH12 Co. Wexford, Cahore Point | Peter Hamilton Carvill | Irish Biogeographical Society | 8/1973 | GALW | 6/12/2014 |
| + | Agrimonia eupatoria | IE, VCH20 Co. Wicklow, Mizen Head | Thomas Gerard Francis Curtis | Irish Biogeographical Society | 28/7/1978 | GALW | 10/12/2014 |
| + | Agrimonia procera | IE, VCH38 Co. Down, Strangford Lough | Robert Lloyd Praeger | National Museum Ireland
Robert Lloyd Praeger | 7/1905 | GALW | 9/12/2014 |
| + | Agrostemma githago | GB, VC21 Middlesex, Nelson Road | Charles Smith Nicholson | North London Natural History Society Local Herbarium
Charles Smith Nicholson | 1/7/1894 | SLBI | 4/8/2011 |
| + | Agrostemma githago | GB, VC27 East Norfolk, Roydon | William Robert Sherrin | William Robert Sherrin | 22/7/1899 | SLBI | 5/8/2011 |
| + | Agrostemma githago | GB, VC3 South Devon, Dartmoor | Allan Octavian Hume | Allan Octavian Hume | 25/7/1902 | SLBI | 7/8/2011 |
| + | Agrostemma githago | GB, VC19 North Essex, Hatfield, Moor Gardens | Harold Goodman Dixon
Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 30/7/1877 | SLBI | 11/8/2011 |
| + | Agrostemma githago | GB, VC26 West Suffolk, Little Thurlow | | Hugh Neville Dixon | | SLBI | 11/8/2011 |
| + | Agrostemma githago | GB, VC21 Middlesex, Harefield | Charles Baylis Green | Charles Baylis Green | 7/1902 | SLBI | 14/8/2011 |
| + | Agrostis canina | IE, VCH40 Co. Londonderry, Garvagh | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1890 | DBC | 4/5/2011 |
| + | Agrostis curtisii | GB, VC1 West Cornwall, Helston | Augustin Ley | Augustin Ley | 3/7/1883 | BIRM | 1/6/2009 |
| + | Agrostis stolonifera | GB, VC49 Caernarvonshire, Bangor | John Edwards Griffith | Botanical Exchange Club of The British Isles
Augustin Ley | 6/1892 | BIRM | 31/12/2009 |
| + | Agrostis stolonifera | GB, VC10 Isle of Wight, Sandown | Douglas Montague Heath | Douglas Montague Heath | 29/7/1915 | BIRM | 13/1/2010 |
| + | Aira praecox | GB, VC18 South Essex, Epping Forest | | | 8/6/1877 | DBC | 29/4/2011 |
| + | Ajuga chamaepitys | GB, VC17 Surrey, Effingham | Alexander Osmond Black | William Jackson Hooker | 5/1856 | K | 6/6/2014 |
| + | Ajuga chamaepitys | GB, VC17 Surrey, Chipstead | Frank Senogles | | 18/7/1948 | K | 28/6/2014 |
| + | Ajuga pyramidalis | GB, VC97 West Inverness-shire, Ben Nevis | Dawson Turner | William Jackson Hooker | | K | 9/6/2014 |
| + | Ajuga pyramidalis | GB, VC37 Worcestershire, Droitwich | Clifford Charles Townsend | Clifford Charles Townsend | 30/9/1952 | K | 18/6/2014 |
| + | Ajuga reptans | GB, VC21 Middlesex, Highgate | | | 1/6/1875 | DBC | 20/4/2011 |
| + | Ajuga reptans | GB, VC17 Surrey, Warlingham | Job Edward Lousley | Job Edward Lousley | 21/8/1923 | SLBI | 19/6/2013 |
| + | Ajuga reptans | GB, VC17 Surrey, Great Bookham Common | Joan Frances Hall | London Natural History Society | 9/5/1954 | SLBI | 19/6/2013 |
| + | Ajuga reptans | GB, VC33 East Gloucestershire, Cleeve Hill | C E Robinson | C E Robinson | 10/6/1889 | SLBI | 20/6/2013 |
| + | Ajuga reptans | GB, VC17 Surrey, Ranmore Common | J Fraser | J Fraser | 22/5/1921 | K | 18/5/2014 |
| + | Ajuga reptans | GB, VC22 Berkshire, Silwood Park | M J Crawley | Imperial College British Flora Project | 4/2001 | K | 26/5/2014 |
| + | Ajuga reptans | GB, VC23 Oxfordshire, Bladon | Charles Edward Hubbard | | 18/6/1942 | K | 29/5/2014 |
| + | Ajuga reptans | GB, VC6 North Somerset, Bourton | Henry Francois Devis | | 14/5/1915 | K | 6/6/2014 |
| + | Ajuga reptans | GB, VC23 Oxfordshire, Little Rollright | John Eustace Sirett Souster | | 17/4/1949 | K | 13/6/2014 |
| + | Ajuga reptans | GB, VC24 Buckinghamshire, Little Hampden | Charles Edward Hubbard | | 22/5/1939 | K | 13/6/2014 |
| + | Ajuga reptans | GB, VC17 Surrey, Ockham | Charles Edward Britton | Charles Edward Britton | 25/5/1907 | K | 13/6/2014 |
| + | Ajuga reptans | GB, VC23 Oxfordshire, Oxford | Harry Joseph Riddelsdell | | 23/5/1925 | K | 25/6/2014 |
| + | Ajuga reptans | GB, VC6 North Somerset, Bruton | Victor Samuel Summerhayes | | 6/1913 | K | 29/6/2014 |
| + | Ajuga reptans | GB, VC25,VC26 | William Jackson Hooker | William Jackson Hooker | | K | 2/7/2014 |
| + | Ajuga reptans | GB, VC17 Surrey, Farthing Downs | Joseph Robert Sealy
Stella Ross-Craig | | 13/6/1965 | K | 2/7/2014 |
| + | Ajuga reptans | GB, VC111 Orkney, Bay of Firth | Henry Halcro Johnston | | 2/6/1921 | K | 3/7/2014 |
| + | Ajuga reptans | GB, VC7,VC8 | Richard Chandler Alexander Prior | Richard Chandler Alexander Prior | 1836 | K | 6/7/2014 |
| + | Ajuga reptans | IE, VCH39 Co. Antrim, Shanes Castle | Marian Muriel Whiting | | 19/6/1900 | K | 10/8/2014 |
| + | Ajuga reptans | GB, VC17 Surrey, Richmond Park | Richmond Park Committee | | 23/5/1930 | K | 10/8/2014 |
| + | Alchemilla alpina | GB, VC100 Clyde Islands, Goatfell | | | 6/8/1882 | DBC | 20/4/2011 |
| + | Alchemilla alpina | GB, VC88 Mid Perthshire, Tyndrum | Henry Groves | Allan Octavian Hume
Henry Groves | 21/8/1883 | SLBI | 11/5/2012 |
| + | Alchemilla alpina | GB, VC88 Mid Perthshire, Ben Lawers | Edward Cleminshaw | Edward Cleminshaw
William Robert Sherrin | 8/1902 | SLBI | 12/6/2012 |
| + | Alchemilla alpina | GB, VC98 Argyllshire, Ballachulish | Henry Franklin Parsons | Henry Franklin Parsons | 9/8/1882 | SLBI | 12/6/2012 |
| + | Alchemilla alpina | GB, VC69 Westmorland, Kirkstone Pass | Henry Franklin Parsons | Henry Franklin Parsons | 19/7/1884 | SLBI | 12/6/2012 |
| + | Alchemilla alpina | GB, VC70 Cumberland, Honister Pass | Henry Franklin Parsons | Henry Franklin Parsons | 12/6/1895 | SLBI | 12/6/2012 |
| + | Alchemilla alpina | GB, VC88 Mid Perthshire, Ben Lawers | John Pagan | Henry Franklin Parsons | 8/1870 | SLBI | 12/6/2012 |
| + | Alchemilla monticola | GB, VC66 County Durham, Teesdale | Alfred James Wilmott | Watson Botanical Exchange Club
Charles Edgar Salmon
Job Edward Lousley | 5/1927 | SLBI | 15/5/2012 |
| + | Alchemilla monticola | GB, VC17 Surrey, Reigate Cultivated | Alfred James Wilmott | Watson Botanical Exchange Club
Charles Edgar Salmon
Job Edward Lousley | 20/5/1926 | SLBI | 15/5/2012 |
| + | Alisma lanceolatum | GB, VC29 Cambridgeshire, Burwell | Albert John Crosfield | Watson Botanical Exchange Club
Albert John Crosfield | 8/9/1914 | SLBI | 13/3/2015 |
| + | Alisma lanceolatum | GB, VC17 Surrey, Brockham | William Hadden Beeby | William Hadden Beeby | 2/7/1883 | SLBI | 19/3/2015 |
| + | Alisma lanceolatum | GB, VC98 Argyllshire, Taynuilt | B H Thompson | | 16/8/1993 | E | 3/4/2015 |
| + | Alisma lanceolatum | GB, VC13 West Sussex, Birdham | Edward Shearburn Marshall | Edward Shearburn Marshall | 24/6/1901 | E | 5/4/2015 |
| + | Alisma plantago-aquatica | GB, VC16 West Kent, Beckenham | Allan Octavian Hume | Allan Octavian Hume | 15/9/1898 | SLBI | 9/3/2015 |
| + | Alisma plantago-aquatica | GB, VC16 West Kent, Ravensbourne | Allan Octavian Hume | Allan Octavian Hume | 20/8/1898 | SLBI | 13/3/2015 |
| + | Alisma plantago-aquatica | GB, VC14 East Sussex, Pett | Peter Charles Holland | Peter Charles Holland | 7/8/1960 | SLBI | 15/3/2015 |
| + | Alisma plantago-aquatica | GB, VC3 South Devon, Plymbridge | | | 7/1976 | E | 3/4/2015 |
| + | Alisma plantago-aquatica | GB, VC17 Surrey, Barnes | | | 1867 | E | 6/4/2015 |
| + | Alisma plantago-aquatica | GB, VC25 East Suffolk, Ipswich | G.B. Clarke | Botanical Society of Edinburgh
Gulielmi Barnard Clarke | 8/1839 | E | 7/4/2015 |
| + | Alisma plantago-aquatica | GB, VC83 Midlothian, Duddingston Loch | William Edgar Evans | William Edgar Evans | 4/7/1902 | E | 7/4/2015 |
| + | Alisma plantago-aquatica | GB, VC84 West Lothian, Linlithgow | W Leitch | | 8/1837 | E | 7/4/2015 |
| + | Alisma plantago-aquatica | GB, VC83 Midlothian, Edinburgh Royal Botanic Gardens | | | 10/1898 | E | 11/4/2015 |
| + | Alisma plantago-aquatica | GB, VC75 Ayrshire, Ballantrae | Alexander Somerville | Alexander Somerville | 16/8/1902 | E | 15/4/2015 |
| + | Alisma plantago-aquatica x lanceolatum = A. x rhicnocarpum | GB, VC83 Midlothian, Duddingston | Clara Winsome Muirhead | | 29/7/1969 | E | 3/4/2015 |
| + | Alliaria petiolata | GB, VC35 Monmouthshire, Bishton | William Robert Price | William Robert Price | 4/1905 | GLR | 5/11/2010 |
| + | Alliaria petiolata | GB, VC15,VC16, Bexley | William Henry Griffin | Allan Octavian Hume | 7/5/1910 | SLBI | 17/1/2011 |
| + | Allium ampeloprasum | GB, VC113 Channel Islands, Guernsey, Fort George | M Dawler | M Dawler | 7/1890 | SLBI | 20/1/2013 |
| + | Allium ampeloprasum | GB, VC113 Channel Islands, Guernsey, Fort George | Margaret Dawber | | 7/1890 | SLBI | 20/1/2013 |
| + | Allium carinatum | GB, VC83 Midlothian, Musselburgh | Alexander Craig Christie | Alexander Craig Christie
Augustin Ley | 5/5/1877
30/7/1878 | BIRM | 29/3/2010 |
| + | Allium carinatum | GB, VC64 Mid-west Yorkshire, Settle | John Tatham | Allan Octavian Hume
Frederick Townsend | | SLBI | 14/1/2013 |
| + | Allium oleraceum | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 27/10/1905 | BIRM | 19/2/2010 |
| + | Allium schoenoprasum | GB, VC2 East Cornwall, Tintagel | | | 7/7/1902 | DBC | 29/4/2011 |
| + | Allium ursinum | GB, VC16 West Kent, Saint Mary Cray | | Dulwich College | 5/1892 | SLBI | 7/1/2013 |
| + | Allium ursinum | GB, VC16 West Kent, Saint Mary Cray | J H P | Dulwich College | 5/1892 | SLBI | 7/1/2013 |
| + | Allium vineale | GB, VC17 Surrey, Runnymede | William Hadden Beeby | William Hadden Beeby | 25/4/1886 | SLBI | 14/1/2013 |
| + | Allium vineale | GB, VC17 Surrey, Runnymede | William Hadden Beeby | William Hadden Beeby | 25/4/1886 | SLBI | 14/1/2013 |
| + | Alnus serrulata | USFL, Franklin County, Apalachicola | Paul L Redfearn
Robert Kral | | 29/6/1956 | FSU | 25/8/2015 |
| + | Alnus serrulata | USFL, Leon County, Harvey Creek | Loran C Anderson | | 18/6/2009 | FSU | 26/8/2015 |
| + | Alopecurus geniculatus | FR, Dunkerque | Maurice Bouly de Lesdain | | 3/6/1928 | DBC | 27/3/2011 |
| + | Alopecurus geniculatus | IE, VCH21 Co. Dublin, Brittas | George H McLean | George H McLean | 7/7/1942 | DBC | 29/4/2011 |
| + | Alopecurus geniculatus | GB, VC21 Middlesex, Finsbury Park | | | 22/6/1877 | DBC | 4/5/2011 |
| + | Althaea officinalis | GB, VC27 East Norfolk, Hickling Broad | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 8/1901 | SLBI | 17/9/2011 |
| + | Amaranthus australis | USFL, Franklin County, Lanark Village | Robert K Godfrey | | 11/10/1976 | FSU | 15/4/2015 |
| + | Amaranthus australis | USFL, Brevard County, Cape Canaveral | Allen Hiram Curtiss | Colorado A & M College | 18/9/1896 | FSU | 31/5/2015 |
| + | Amaranthus australis | USFL, Citrus County, Ozello | Robert K Godfrey | | 20/11/1964 | FSU | 19/8/2015 |
| + | Amaranthus blitum | GB, VC17 Surrey, Norwood | William Henry Griffin | Allan Octavian Hume | 13/9/1911 | SLBI | 8/7/2013 |
| + | Amaranthus blitum | GB, VC11 South Hampshire, Porchester | Patrick Martin Hall | Patrick Martin Hall | 1/10/1939 | SLBI | 23/7/2013 |
| + | Amaranthus blitum | GB, VC63 South-west Yorkshire, Linthwaite | David Charles McClintock | Job Edward Lousley | 27/9/1959 | SLBI | 23/7/2013 |
| + | Amaranthus blitum | GB, VC11 South Hampshire, Southampton | Job Edward Lousley | Job Edward Lousley | 12/10/1958 | SLBI | 23/7/2013 |
| + | Amaranthus blitum | GB, VC21 Middlesex, Harefield | Douglas Henry Kent | Job Edward Lousley | 6/10/1945 | SLBI | 24/7/2013 |
| + | Amaranthus blitum | GB, VC14 East Sussex, Hastings | Leslie Beeching Hall | Watson Botanical Exchange Club
Leslie Beeching Hall | 26/10/1921 | SLBI | 28/7/2013 |
| + | Amaranthus blitum | GB, VC37 Worcestershire, Charlton | Charles William Bannister | Wool Adventive Flora of Britian
Job Edward Lousley | 21/9/1959 | SLBI | 3/8/2013 |
| + | Amaranthus blitum | GB, VC25 East Suffolk, Capel Saint Andrew | Job Edward Lousley | Job Edward Lousley | 1/10/1949 | SLBI | 8/8/2013 |
| + | Amaranthus blitum | GB, VC18 South Essex, Rainham | Leslie Beeching Hall | Leslie Beeching Hall | 27/9/1920 | SLBI | 12/8/2013 |
| + | Amaranthus blitum | GB, VC37 Worcestershire, Seven Stoke | Francis Morland Day | Job Edward Lousley | 10/10/1959 | SLBI | 13/8/2013 |
| + | Amaranthus blitum | GB, VC20 Hertfordshire, Wheathampstead | BSBI Excursion | Croydon Natural History and Scientific Society
Donald Peter Young | 3/10/1959 | SLBI | 14/8/2013 |
| + | Amaranthus retroflexus | GB, VC49 Caernarvonshire, Llandudno | Allan Octavian Hume | Allan Octavian Hume | 23/9/1905 | SLBI | 8/7/2013 |
| + | Amaranthus retroflexus | GB, VC34 West Gloucestershire, Avonmouth Docks, Bristol | Ida Mary Roper | Ida Mary Roper
Job Edward Lousley | 19/8/1926 | SLBI | 21/7/2013 |
| + | Amaranthus retroflexus | GB, VC17 Surrey, Raynes Park | Charles Edward Britton | Charles Edward Britton | 9/8/1908 | SLBI | 24/7/2013 |
| + | Amaranthus retroflexus | GB, VC17 Surrey, Merton Parish | Charles Edward Britton | Charles Edward Britton | 3/9/1908 | SLBI | 24/7/2013 |
| + | Amaranthus retroflexus | GB, VC16 West Kent, Tripcock Point | Henry Franklin Parsons | Watson Botanical Exchange Club
Anthony Hurt Wolley Dod
Henry Franklin Parsons | 18/8/1900 | SLBI | 24/7/2013 |
| + | Amaranthus retroflexus | GB, VC49 Caernarvonshire, Llandudno | Isaac A Helsby | Isaac A Helsby | 23/9/1905 | SLBI | 28/7/2013 |
| + | Amaranthus retroflexus | GB, VC13 West Sussex, Henfield | Payne | Isaac A Helsby | 21/9/1934 | SLBI | 28/7/2013 |
| + | Amaranthus retroflexus | GB, VC9,VC11, Bournemouth | Edward Francis Linton | Allan Octavian Hume
Edward Francis Linton | 6/9/1901 | SLBI | 3/8/2013 |
| + | Amaranthus retroflexus | GB, VC49 Caernarvonshire, Llandudno | Allan Octavian Hume | Allan Octavian Hume | 17/9/1905 | SLBI | 4/8/2013 |
| + | Amaranthus retroflexus | GB, VC2 East Cornwall, Par | Frederick Hamilton Davey | Allan Octavian Hume | 16/8/1902 | SLBI | 8/8/2013 |
| + | Amaranthus retroflexus | GB, VC1 West Cornwall, Saint Mawgan | Frederick Hamilton Davey | Allan Octavian Hume | 28/9/1901 | SLBI | 12/8/2013 |
| + | Amaranthus retroflexus | GB, VC2 East Cornwall, Par Harbour | Allan Octavian Hume | Allan Octavian Hume | 29/8/1901 | SLBI | 14/8/2013 |
| + | Amaranthus viridis | USFL, Wakulla County, Spring Hill | Robert K Godfrey | | 18/6/1965 | FSU | 15/6/2015 |
| + | Ambrosia trifida | GB, VC83 Midlothian, Leith Docks | James Fraser | Allan Octavian Hume
James Fraser | 11/9/1908 | SLBI | 18/11/2012 |
| + | Ambrosia trifida | GB, VC83 Midlothian, Leith Docks | James Fraser | Allan Octavian Hume | 13/9/1909 | SLBI | 24/11/2012 |
| + | Ambrosia trifida | GB, VC83 Midlothian, Leith Docks | James Fraser | Allan Octavian Hume | 13/9/1909 | SLBI | 24/11/2012 |
| + | Ammi majus | GB, VC12 North Hampshire, Blackmore | Peter Charles Holland | Peter Charles Holland | 28/10/1962 | SLBI | 30/8/2012 |
| + | Ammi majus | GB, VC12 North Hampshire, Blackmore | Peter Charles Holland | Peter Charles Holland | 28/10/1962 | SLBI | 31/8/2012 |
| + | Ammi majus | GB, VC83 Midlothian, Leith Docks | James Fraser | Allan Octavian Hume | 4/9/1906 | SLBI | 2/9/2012 |
| + | Ammi majus | GB, VC41 Glamorganshire, Ely Cultivated | Royston Leslie Smith | Isaac A Helsby | 9/1936 | SLBI | 6/9/2012 |
| + | Ammophila arenaria | GB, VC61 South-east Yorkshire, Spurn Point | Augustin Ley | Augustin Ley | 16/8/1881 | BIRM | 21/2/2010 |
| + | Anacamptis pyramidalis | GB, VC16 West Kent, Shoreham | E Strawson | E Strawson | 7/7/1923 | SLBI | 29/12/2011 |
| + | Anacamptis pyramidalis | GB, VC11 South Hampshire, Otterbourne | Richard Barker Ullman | Richard Barker Ullman | 6/7/1912 | SLBI | 30/12/2011 |
| + | Anacamptis pyramidalis | GB, VC15 East Kent, Folkestone Warren | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 8/1897 | SLBI | 4/1/2012 |
| + | Anacamptis pyramidalis | GB, VC17 Surrey, Oxted | J Fraser | Charles Baylis Green | 17/7/1910 | SLBI | 4/1/2012 |
| + | Anacamptis pyramidalis | GB, VC17 Surrey, Coulsdon | Marjorie Woolley Bostock | Marjorie Woolley Bostock | 6/7/1918 | SLBI | 9/1/2012 |
| + | Anacamptis pyramidalis | GB, VC17 Surrey, Reigate Hill | William Robert Sherrin | William Robert Sherrin | 7/1898 | SLBI | 13/1/2012 |
| + | Anacamptis pyramidalis | GB | | Carl Friedrich Philipp von Martius | 19/6/1862 | BR | 3/7/2015 |
| + | Anacamptis pyramidalis | GB, VC15,VC16 | Elizabeth Harvey | Herbarium Marth | 1840 | BR | 3/7/2015 |
| + | Anagallis arvensis subsp. foemina | GB, VC16 West Kent, Downe | William Henry Griffin | Allan Octavian Hume | 20/8/1902 | SLBI | 16/1/2013 |
| + | Anaphalis margaritacea | GB, VC11,VC12, sham | Frederick Townsend | Frederick Townsend | 5/1856 | SLBI | 2/12/2012 |
| + | Anaphalis margaritacea | GB, VC11 South Hampshire, Warnford, Beacon Hill | | Frederick Townsend | 5/1856 | SLBI | 2/12/2012 |
| + | Anaphalis margaritacea | GB, VC33 East Gloucestershire, Cheltenham,Leckhampton Hill | C E Robinson | C E Robinson | 7/8/1889 | SLBI | 5/12/2012 |
| + | Anchusa arvensis | GB, VC11 South Hampshire, Christchurch | Henry Franklin Parsons | Croydon Natural History and Scientific Society
Henry Franklin Parsons | 6/1887 | SLBI | 15/2/2013 |
| + | Anchusa officinalis | GB, VC34 West Gloucestershire, Bristol | James Walter White | Watson Botanical Exchange Club
Charles Baylis Green
James Walter White | 14/6/1905 | SLBI | 2/2/2013 |
| + | Anemone apennina | IE, VCH21 Co. Dublin, Dunsink | Robert Lloyd Praeger | Robert Lloyd Praeger | 1/4/1894 | GALW | 11/12/2014 |
| + | Anemone nemorosa | GB, VC17 Surrey, Claygate | Isaac A Helsby | Isaac A Helsby | 4/5/1929 | SLBI | 29/1/2011 |
| + | Anemone nemorosa | GB, VC1 West Cornwall, Ponsanooth | Allan Octavian Hume | Allan Octavian Hume | 2/5/1900 | SLBI | 18/2/2011 |
| + | Anemone nemorosa | GB, VC66 County Durham, Wynch Bridge | Allan Octavian Hume | Allan Octavian Hume | 26/5/1903 | SLBI | 18/2/2011 |
| + | Angelica archangelica | GB, VC17 Surrey, Putney | Philip Henry Cooke | North London Natural History Society Local Herbarium
Philip Henry Cooke | 19/9/1941 | SLBI | 30/10/2012 |
| + | Angelica archangelica | GB, VC17 Surrey, Effingham | | J H Albrecht | 20/9/1930 | SLBI | 1/11/2012 |
| + | Angelica sylvestris | GB, VC17 Surrey, Merstham | Allan Octavian Hume | Allan Octavian Hume | 3/10/1898 | SLBI | 12/11/2012 |
| + | Angelica sylvestris | GB, VC16 West Kent, Shortlands, Bromley | Allan Octavian Hume | Allan Octavian Hume | 15/9/1898 | SLBI | 12/11/2012 |
| + | Antennaria dioica | Isle of Jura | S M G & I M G | S M G & I M G | 5/6/1947 | SLBI | 21/11/2012 |
| + | Antennaria dioica | GB, VC102 South Ebudes, Jura | I M Gaster | | 5/6/1947 | SLBI | 21/11/2012 |
| + | Anthemis arvensis | GB, VC17 Surrey, Mitcham Common | S A Chambers | S A Chambers | 18/8/1930 | SLBI | 2/12/2012 |
| + | Anthemis cotula | GB, VC17 Surrey, Reigate | William Hadden Beeby | William Hadden Beeby | 31/8/1879 | SLBI | 23/11/2012 |
| + | Anthemis cotula | GB, VC17 Surrey, Reigate | William Hadden Beeby | William Hadden Beeby | 31/8/1879 | SLBI | 23/11/2012 |
| + | Anthoxanthum odoratum | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 26/3/2011 |
| + | Anthriscus caucalis | GB, VC19 North Essex, Dovercourt | William Robert Sherrin | William Robert Sherrin | 8/1904 | SLBI | 29/10/2012 |
| + | Anthriscus caucalis | GB, VC29 Cambridgeshire, Cambridge | Harold Goodman Dixon
Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 3/5/1878 | SLBI | 1/11/2012 |
| + | Anthriscus caucalis | GB, VC6 North Somerset, Berrow Dunes | Job Edward Lousley | Job Edward Lousley | 20/5/1929 | SLBI | 5/11/2012 |
| + | Anthriscus sylvestris | GB, VC21 Middlesex, Perivale | William Robert Sherrin | William Robert Sherrin | 5/1899 | SLBI | 3/11/2012 |
| + | Anthriscus sylvestris | GB, VC1 West Cornwall, Penzance | Allan Octavian Hume | Allan Octavian Hume | 24/4/1899 | SLBI | 19/11/2012 |
| + | Anthyllis vulneraria | GB, VC14 East Sussex, Beachy Head | William Hadden Beeby | William Hadden Beeby | 21/6/1871 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC2 East Cornwall, Bude | Isaac A Helsby | Isaac A Helsby | 11/6/1923 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC10 Isle of Wight, Culver Cliff | Marjorie Woolley Bostock | Marjorie Woolley Bostock | 5/6/1923 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC106 East Ross & Cromarty, Tain | Edward Shearburn Marshall | William Hadden Beeby | 20/7/1890 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC4 North Devon, Croyde | | Trestrail
Hugh Neville Dixon
Leslie Beeching Hall
William Hadden Beeby | | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC15 East Kent, Walmer | William Robert Sherrin | William Robert Sherrin | 8/1907 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC57 Derbyshire, Calke Abbey | | Frederick Townsend | 1843 | SLBI | 17/11/2011 |
| + | Anthyllis vulneraria | GB, VC17 Surrey, Headley | Job Edward Lousley | Job Edward Lousley | 6/7/1929 | SLBI | 26/11/2011 |
| + | Anthyllis vulneraria | GB, VC11 South Hampshire, Saint Cross | J Breach | J Breach
Robert Russell Hutchinson | 5/5/1834 | SLBI | 28/11/2011 |
| + | Antirrhinum majus | GB, VC7 North Wiltshire, Chippenham | G Parker Pearson | | 23/8/1933 | K | 26/3/2014 |
| + | Antirrhinum majus | GB, VC96 East Inverness-shire, Carnoch | James Ramsay Drummond | James Ramsay Drummond | 26/9/1871 | K | 26/3/2014 |
| + | Aphanes arvensis | GB, VC64 Mid-west Yorkshire, Acomb | Arthur William Graveson | Arthur William Graveson | 1908 | SLBI | 6/5/2012 |
| + | Apium graveolens | GB, VC3,VC4 | | Robert Coane Roberts Jordan | 7/1876 | BIRM | 11/7/2009 |
| + | Apium graveolens | GB, VC14 East Sussex, Pett Level | Peter Charles Holland | Peter Charles Holland | 7/8/1960 | SLBI | 23/8/2012 |
| + | Apium graveolens | GB, VC11 South Hampshire, Hayling Island | Allan Octavian Hume | Allan Octavian Hume | 6/9/1904 | SLBI | 27/8/2012 |
| + | Apium graveolens | GB, VC18 South Essex, Rainham | Charles Smith Nicholson | North London Natural History Society Local Herbarium
Charles Smith Nicholson | 18/8/1912 | SLBI | 27/8/2012 |
| + | Apium graveolens | GB, VC2 East Cornwall, Sandplace | Allan Octavian Hume | Allan Octavian Hume | 2/7/1900 | SLBI | 6/9/2012 |
| + | Apium inundatum | GB, VC6 North Somerset, Shapwick | Harold Stuart Thompson | Harold Stuart Thompson | 2/7/1915 | BIRM | 5/12/2009 |
| + | Apium inundatum | GB, VC1 West Cornwall, Isles of Scilly,Tresco | Frederick Townsend | Allan Octavian Hume
Frederick Townsend | 6/1862 | SLBI | 30/8/2012 |
| + | Apium inundatum | IE, VCH24,VCH25, Lanesborough | Patrick Martin Hall | Patrick Martin Hall | 29/5/1936 | SLBI | 30/8/2012 |
| + | Apium inundatum | GB, VC17 Surrey, Mitcham Common | J W T | Dulwich College | 6/1894
5/1896 | SLBI | 30/8/2012 |
