| + | Acer campestre | GB, VC16 West Kent, Keston | William Henry Griffin | Allan Octavian Hume | 7/5/1904 | SLBI | 25/10/2011 |
| + | Actaea spicata | GB, VC61,VC62,VC63,VC64,VC65 | | Dulwich College | | SLBI | 2/2/2011 |
| + | Actaea spicata | GB, VC62 North-east Yorkshire, Kitscrew Wood | Henry Ibbotson | Allan Octavian Hume
Frederick Townsend | 6/1843 | SLBI | 17/2/2011 |
| + | Adonis autumnalis | GB, VC33 East Gloucestershire, Painswick | Gustavus A Ornano St Brody | | 7/1869 | GLR | 29/9/2010 |
| + | Adonis autumnalis | GB, VC16 West Kent, Darenth | John Joseph Bennett | Croydon Natural History and Scientific Society
John Joseph Bennett
Robert Russell Hutchinson | 1831 | SLBI | 23/1/2011 |
| + | Aethusa cynapium | GB, VC63 South-west Yorkshire, Eccleshill | William West | George Stephen West
William West | 9/1889 | BIRM | 8/1/2010 |
| + | Aethusa cynapium | GB, VC17 Surrey, Croydon | Robert Russell Hutchinson | Croydon Natural History and Scientific Society
Robert Russell Hutchinson | 1941 | SLBI | 24/11/2012 |
| + | Agrimonia eupatoria | | | Birmingham Natural History and Philosophical Society | | BIRM | 26/11/2009 |
| + | Agrimonia eupatoria | GB, VC33 East Gloucestershire, Sheepscombe | Walter Butt | Walter Butt | 26/6/1912 | GLR | 25/12/2010 |
| + | Agrostis canina | GB, VC63 South-west Yorkshire, Goole | William West | George Stephen West
William West | 6/8/1877 | BIRM | 21/10/2009 |
| + | Agrostis canina | GB, VC19 North Essex, Hatfield Heath | Douglas Montague Heath | Douglas Montague Heath | 30/6/1920 | BIRM | 3/2/2010 |
| + | Agrostis capillaris | GB, VC17 Surrey, Richmond Park | George Nicholson | William Hillhouse | 29/6/1878 | BIRM | 10/11/2009 |
| + | Agrostis curtisii | GB, VC10 Isle of Wight, Parkhurst Forest | Douglas Montague Heath | Douglas Montague Heath | 22/7/1916 | BIRM | 24/3/2010 |
| + | Agrostis curtisii | GB, VC5 South Somerset, Holford, Quantocks | Harold Stuart Thompson | Harold Stuart Thompson | 27/7/1920 | BIRM | 29/4/2010 |
| + | Agrostis curtisii | GB, VC5 South Somerset, Quantock Hills | Harold Stuart Thompson | Harold Stuart Thompson | 7/1888 | BIRM | 29/4/2010 |
| + | Agrostis curtisii | GB, VC5 South Somerset, Porlock | Harold Stuart Thompson | Harold Stuart Thompson | 7/1922 | BIRM | 29/4/2010 |
| + | Agrostis gigantea | GB, VC62 North-east Yorkshire, Middlesbrough | William A Mudd | George Stephen West | 8/1852 | BIRM | 13/10/2009 |
| + | Agrostis gigantea | GB, VC37 Worcestershire, Bewdley | Langley Kitching | Langley Kitching | 6/1897 to 8/1897 | BIRM | 24/10/2009 |
| + | Agrostis gigantea | GB, VC60 West Lancashire, Cockerham Moss | Charles Edgar Salmon
Harold Stuart Thompson | Harold Stuart Thompson | 1/7/1901 | BIRM | 2/11/2009 |
| + | Agrostis gigantea | GB, VC9 Dorset, Abbotsbury | Harold Stuart Thompson | Harold Stuart Thompson | 26/8/1922 | BIRM | 2/11/2009 |
| + | Agrostis gigantea | GB, VC6 North Somerset, Max Bog | Harold Stuart Thompson | Harold Stuart Thompson | 16/7/1923 | BIRM | 8/4/2010 |
| + | Agrostis stolonifera | GB, VC38 Warwickshire, Newbold on Avon | James Eustace Bagnall | Birmingham Natural History Society | 19/7/1884 | BIRM | 25/10/2009 |
| + | Agrostis stolonifera | GB, VC3 South Devon, Lympstone | | Robert Coane Roberts Jordan | 3/9/1846 | BIRM | 8/11/2009 |
| + | Agrostis stolonifera | GB, VC6 North Somerset, Tickenham Moor | Harold Stuart Thompson | Harold Stuart Thompson | 4/8/1916 | BIRM | 8/1/2010 |
| + | Agrostis stolonifera | GB, VC10 Isle of Wight, Sandown | Douglas Montague Heath | Douglas Montague Heath | 29/7/1915 | BIRM | 15/4/2010 |
| + | Aira alpina | GB, VC92 South Aberdeenshire, Ben Avon | Henry Maurice Drummond-Hay | Augustin Ley | 7/8/1871 | BIRM | 25/12/2009 |
| + | Aira caryophyllea | GB, VC17 Surrey, Kew | | William Hillhouse | 1874 | BIRM | 12/1/2010 |
| + | Aira caryophyllea | GB, VC43 Radnorshire, Stanner Rocks | Augustin Ley | Augustin Ley | 29/5/1874 | BIRM | 8/4/2010 |
| + | Aira praecox | GB, VC62 North-east Yorkshire, Guisborough Moor | William A Mudd | George Stephen West | 6/1857 | BIRM | 25/10/2009 |
| + | Aira praecox | GB, VC37 Worcestershire, Clent | George Stephen West | George Stephen West | 5/6/1907 | BIRM | 1/12/2009 |
| + | Aira praecox | GB, VC38 Warwickshire, Sutton Park | George Stephen West | George Stephen West | 12/6/1907 | BIRM | 1/12/2009 |
| + | Aira praecox | GB, VC2 East Cornwall, Rame Head | Augustin Ley | Augustin Ley | 18/5/1876 | BIRM | 17/12/2009 |
| + | Ajuga reptans | GB, VC28 West Norfolk, East Walton | | Douglas Montague Heath | 28/6/1915 | BIRM | 22/10/2009 |
| + | Ajuga reptans | GB, VC90 Angus, Glen Clova | | Douglas Montague Heath | 8/7/1926 | BIRM | 22/10/2009 |
| + | Ajuga reptans | GB, VC88 Mid Perthshire, Ben Lawers | | Douglas Montague Heath | 4/7/1926 | BIRM | 22/10/2009 |
| + | Ajuga reptans | GB, VC29 Cambridgeshire, Cherry Hinton | Walter Stiles | Walter Stiles | 19/5/1907 | BIRM | 25/11/2009 |
| + | Ajuga reptans | | Mary Ann Brooks | Mary Ann Brooks | | BIRM | 30/11/2009 |
| + | Alchemilla alpina | GB, VC88 Mid Perthshire, Ben Lawers | W A Forbes | Winchester College
Richard Barker Ullman | 8/1879 | SLBI | 21/5/2012 |
| + | Alchemilla vulgaris agg | GB, VC34 West Gloucestershire, Redmarley D'Abitot | C | | 6/7/1938 | GLR | 23/12/2010 |
| + | Alchemilla vulgaris agg | GB, VC33 East Gloucestershire, Whitcomb | Gustavus A Ornano St Brody | British Botanical Competition | 4/1864 | GLR | 3/2/2011 |
| + | Alisma plantago-aquatica | GB, VC38 Warwickshire, Coleshill Pool | Robert Large Baker | | 7/9/1875 | BIRM | 15/4/2010 |
| + | Alliaria petiolata | GB, VC33 East Gloucestershire, Cheltenham, Hatherley Road. | Edward Metcalfe Day | Edward Metcalfe Day | 6/1916 | GLR | 6/11/2010 |
| + | Alliaria petiolata | GB, VC21 Middlesex, West Ealing | William Robert Sherrin | William Robert Sherrin | 30/4/1899 | SLBI | 2/1/2011 |
| + | Alliaria petiolata | GB, VC16 West Kent, Tonbridge | | Croydon Natural History and Scientific Society
Robert Russell Hutchinson | 4/1892 | SLBI | 7/1/2011 |
| + | Alliaria petiolata | GB, VC16 West Kent, Dartford Heath | William Henry Griffin | Allan Octavian Hume | 7/5/1910 | SLBI | 12/1/2011 |
| + | Alliaria petiolata | GB, VC11 South Hampshire, Hursley | J Breach | Croydon Natural History and Scientific Society
J Breach | 3/5/1834 | SLBI | 17/1/2011 |
| + | Alliaria petiolata | GB, VC2 East Cornwall, West Looe | Allan Octavian Hume | Allan Octavian Hume | 12/6/1900 | SLBI | 2/2/2011 |
| + | Allium carinatum | GB, VC17 Surrey, Witley Cultivated | | Watson Botanical Exchange Club
Arthur Bennett
Harold Stuart Thompson | 8/1919 | BIRM | 29/12/2009 |
| + | Allium oleraceum | GB, VC36 Herefordshire, Belmont | Augustin Ley | Augustin Ley | 23/7/1874 | BIRM | 16/12/2009 |
| + | Allium oleraceum | GB, VC36 Herefordshire, Belmont | Augustin Ley | Augustin Ley | 23/7/1874 | BIRM | 16/12/2009 |
| + | Allium oleraceum | GB, VC36 Herefordshire, Belmont | | Augustin Ley | 19/8/1892 | BIRM | 18/1/2010 |
| + | Allium oleraceum | GB, VC64 Mid-west Yorkshire, Cattal | William Arthur Sledge | Job Edward Lousley
William Arthur Sledge | 3/8/1941 | SLBI | 31/12/2012 |
| + | Allium scorodoprasum | GB, VC64 Mid-west Yorkshire, Clapham | William West | George Stephen West
William West | 7/1907 | BIRM | 15/10/2009 |
| + | Allium vineale | GB, VC38 Warwickshire, Kenilworth | | Robert Large Baker | 5/1873 | BIRM | 23/10/2009 |
| + | Allium vineale | GB, VC61,VC64, Selby | William West | George Stephen West | 9/1879 | BIRM | 20/1/2010 |
| + | Allium vineale | GB, VC15 East Kent, Seasalter | Job Edward Lousley | Job Edward Lousley | 4/10/1925 | SLBI | 31/12/2012 |
| + | Allium vineale | GB, VC17 Surrey, North Cheam, Pyl Brook | Charles Edward Britton | Charles Edward Britton | 9/7/1914 | SLBI | 25/1/2013 |
| + | Alnus glutinosa | GB, VC63,VC64, Saltaire | William West | George Stephen West | 1878 | BIRM | 29/4/2010 |
| + | Alopecurus aequalis | GB, VC42 Breconshire, Llanfrynach | Augustin Ley | Augustin Ley | 27/7/1900 | BIRM | 29/9/2009 |
| + | Alopecurus aequalis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 1/9/1890 | BIRM | 19/10/2009 |
| + | Alopecurus alpinus | GB, VC90 Angus, Glas Maol | Peter Ewing | George Stephen West
Peter Ewing | 8/1884 | BIRM | 17/12/2009 |
| + | Alopecurus myosuroides | GB, VC17 Surrey, Mortlake | Harold Stuart Thompson | Harold Stuart Thompson | 14/5/1905 | BIRM | 17/10/2009 |
| + | Alopecurus myosuroides | GB, VC38 Warwickshire, Chesterton | | Robert Large Baker | 7/1873 | BIRM | 9/11/2009 |
| + | Alopecurus myosuroides | GB, VC17 Surrey, Clapham Park | William Hillhouse | William Hillhouse | 10/6/1877 | BIRM | 14/11/2009 |
| + | Alopecurus pratensis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 2/6/1901 | BIRM | 26/2/2010 |
| + | Alopecurus pratensis | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 24/4/2011 |
| + | Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Chesford Bridge, Kenilworth | Albert Bruce Jackson
Henry Bromwich | Botanical Exchange Club of The British Isles
Albert Bruce Jackson
Augustin Ley | 15/7/1900 | BIRM | 10/11/2009 |
| + | Althaea hirsuta | GB, VC33 East Gloucestershire, Minsterworth | John Wilton Haines | John Wilton Haines | 23/6/1922 | GLR | 29/11/2010 |
| + | Alyssum alyssoides | GB, VC36 Herefordshire, Marstow | Eleonora Armitage | Augustin Ley | 5/1888 | BIRM | 4/11/2009 |
| + | Alyssum alyssoides | GB, VC36 Herefordshire, Ross, Benhall | Augustin Ley | Augustin Ley | 4/8/1892 | BIRM | 4/11/2009 |
| + | Alyssum alyssoides | GB, VC34 West Gloucestershire, Lawrence Weston | Ida Mary Roper | Harold Stuart Thompson
Ida Mary Roper | 12/6/1916 | BIRM | 9/11/2009 |
| + | Alyssum alyssoides | DK, Zealand, Rye, Holbaek | M C Lewis | | 27/5/1962 | BIRM | 13/1/2010 |
| + | Alyssum alyssoides | GB, VC29 Cambridgeshire, Waterbeach | Henry Groves
James Groves | Allan Octavian Hume
Henry & James Groves | 29/5/1882 | SLBI | 31/1/2011 |
| + | Alyssum alyssoides | GB, VC20,VC24, Little Gaddesden | C H T
M D | Dulwich College | 4/1896 | SLBI | 20/2/2011 |
| + | Alyssum diffusum | GB, VC33,VC34,VC37, Deerhurst | | | 6/1916 | GLR | 26/10/2010 |
| + | Amaranthus blitum | GB, VC16 West Kent, Abbey Wood | St John Marriott | St John Marriott | 9/1926 | SLBI | 20/7/2013 |
| + | Anemone nemorosa | GB, VC30 Bedfordshire, Bletsoe | William Hillhouse | William Hillhouse | 23/4/1875 | BIRM | 18/3/2010 |
| + | Anemone nemorosa | GB, VC34 West Gloucestershire, Minchinhampton | Edward Metcalfe Day | | 22/4/1914 | GLR | 30/9/2010 |
| + | Anemone nemorosa | GB, VC33 East Gloucestershire, Cranham | | Dorothy Ellis de Vesian | | GLR | 1/10/2010 |
| + | Anemone nemorosa | GB, VC33 East Gloucestershire, Framilode | John Wilton Haines | John Wilton Haines | 3/1910 | GLR | 5/10/2010 |
| + | Anemone nemorosa | GB, VC33 East Gloucestershire, Syde | John Wilton Haines | John Wilton Haines | 3/1910 | GLR | 5/10/2010 |
| + | Anemone nemorosa | GB, VC33 East Gloucestershire, Guiting Wood | | Edward Francis Witts | | GLR | 6/10/2010 |
| + | Anemone nemorosa | GB, VC20,VC24,VC30, Whipsnade | S A Chambers | S A Chambers | 11/4/1894 | SLBI | 25/1/2011 |
| + | Anemone nemorosa | GB, VC16 West Kent, Eynsford | James Groves | Henry & James Groves | 22/4/1882 | SLBI | 25/1/2011 |
| + | Anemone nemorosa | GB, VC21 Middlesex, Ruislip | William Robert Sherrin | William Robert Sherrin | 5/1915 | SLBI | 29/1/2011 |
| + | Angelica sylvestris | GB, VC10 Isle of Wight, Shanklin | Albert John Hambrough | Allan Octavian Hume
Frederick Townsend | 9/1838 | SLBI | 3/11/2012 |
| + | Anisantha madritensis | GB, VC113 Channel Islands, Vazon Bay, Guernsey | Augustin Ley | Augustin Ley | 30/7/1885 | BIRM | 9/9/2009 |
| + | Anisantha madritensis | GB, VC6 North Somerset, Leigh Woods | Harold Stuart Thompson | Harold Stuart Thompson | 26/6/1916 | BIRM | 10/11/2009 |
| + | Anisantha madritensis | GB, VC34 West Gloucestershire, Durdham Down | Harold Stuart Thompson | Harold Stuart Thompson | 25/6/1916 | BIRM | 10/11/2009 |
| + | Anisantha madritensis | GB, VC113 Channel Islands, Guernsey | Robert Hugh Bunting | Watson Botanical Exchange Club
Augustin Ley
William Robert Sherrin | 7/1909 | BIRM | 2/3/2010 |
| + | Anisantha rigida | GB, VC11 South Hampshire, Bournemouth | William Robert Sherrin | Harold Stuart Thompson | 6/1922 | BIRM | 5/11/2009 |
| + | Anisantha rigida | GB, VC6 North Somerset, Mendip Hills | Harold Stuart Thompson | Harold Stuart Thompson | 27/6/1924 | BIRM | 5/11/2009 |
| + | Anisantha rigida | GB, VC11 South Hampshire, Boscombe | Douglas Montague Heath | Douglas Montague Heath | 12/7/1920 | BIRM | 26/11/2009 |
| + | Anisantha tectorum | GB, VC28 West Norfolk, Thetford | Douglas Montague Heath | Douglas Montague Heath | 10/8/1928 | BIRM | 18/2/2010 |
| + | Anisantha tectorum | GB, VC14 East Sussex, Whitehawk Down | Thomas Hilton | Botanical Exchange Club of The British Isles
Augustin Ley | 6/1908 | BIRM | 6/4/2010 |
| + | Antennaria dioica | GB, VC96 East Inverness-shire, Dalwhinnie | | | 31/7/1875 | DBC | 25/4/2011 |
| + | Antennaria dioica | GB, VC90 Angus, Sands of Barry | William Gardiner | William Gardiner | 8/1848 | SLBI | 22/11/2012 |
| + | Anthoxanthum aristatum subsp. puelii | GB, VC36 Herefordshire, Coldbrook Farm | | Augustin Ley | 24/6/1884 | BIRM | 17/4/2010 |
| + | Anthoxanthum odoratum | GB, VC40 Shropshire, Caer Caradoc | Augustin Ley | Augustin Ley | 12/7/1909 | BIRM | 25/3/2010 |
| + | Anthyllis vulneraria | GB, VC59 South Lancashire, Southport | Charles Bailey | Charles Bailey | 23/6/1894 | BIRM | 12/1/2010 |
| + | Anthyllis vulneraria | GB, VC33 East Gloucestershire, Painswick Cultivated | John Wilton Haines | | 21/6/1912 | GLR | 20/12/2010 |
| + | Anthyllis vulneraria | GB, VC17 Surrey, Warlingham | Job Edward Lousley | Job Edward Lousley | 16/6/1923 | SLBI | 22/11/2011 |
| + | Anthyllis vulneraria var. coccinea | GB, VC1 West Cornwall, Newquay | | William Robert Sherrin | | SLBI | 22/11/2011 |
| + | Anthyllis vulneraria | GB, VC13 West Sussex, Chichester | Rowland John Burdon | Watson Botanical Exchange Club | 4/6/1902 | SLBI | 24/11/2011 |
| + | Apera spica-venti | GB, VC26 West Suffolk, Cherry Hill | Stanley Wilson Greene | Stanley Wilson Greene | 28/6/1959 | BIRM | 16/11/2009 |
| + | Apera spica-venti | GB, VC17 Surrey, Ham Common | Albert Bruce Jackson
William Bertram Turrill | Botanical Exchange Club of The British Isles
Augustin Ley | 18/7/1910 | BIRM | 13/5/2010 |
| + | Aphanes arvensis | GB, VC34 West Gloucestershire, Middle Mill | William Robert Price | William Robert Price | 23/6/1936 | GLR | 2/1/2011 |
| + | Apium inundatum | GB, VC42 Breconshire, Capel Illtyd | Augustin Ley | Augustin Ley | 27/7/1900 | BIRM | 27/10/2009 |
| + | Apium inundatum | GB, VC71 Isle of Man, Jurby | Peter Shaw Green | | 26/6/1950 | BIRM | 6/2/2010 |
| + | Apium nodiflorum | GB, VC23 Oxfordshire, Oxford,Port Meadow | George Claridge Druce | Botanical Exchange Club of The British Isles
Augustin Ley
George Claridge Druce | 9/1906 | BIRM | 12/10/2009 |
| + | Apium nodiflorum | GB, VC5 South Somerset, Holford | Harold Stuart Thompson | Harold Stuart Thompson | 29/7/1920 | BIRM | 29/12/2009 |
| + | Aquilegia vulgaris | GB, VC36 Herefordshire, Treferanon | Augustin Ley | Augustin Ley | 5/6/1880 | BIRM | 28/2/2010 |
| + | Aquilegia vulgaris | GB, VC15 East Kent, Maidstone | | Allan Octavian Hume
Frederick Townsend | 5/6/1872 | SLBI | 20/2/2011 |
| + | Aquilegia vulgaris | GB, VC32 Northamptonshire, Bedford Purlieus | Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 6/1885 | SLBI | 20/2/2011 |
| + | Aquilegia vulgaris | GB, VC65,VC66, Middleton in Teesdale | Harold Stuart Thompson | | 13/5/1903 | SLBI | 7/3/2011 |
| + | Arabidopsis thaliana | GB, VC64 Mid-west Yorkshire, Malham | William West | George Stephen West
William West | 25/5/1877 | BIRM | 17/12/2009 |
| + | Arabidopsis thaliana | GB, VC64 Mid-west Yorkshire, Ilkley | William West | George Stephen West
William West | 5/1887 | BIRM | 17/12/2009 |
| + | Arabidopsis thaliana | GB, VC37 Worcestershire, Bewdley | Langley Kitching | | 4/1897 | BIRM | 13/4/2010 |
| + | Arabidopsis thaliana | GB, VC12,VC17, Churt | | | 29/3/1878 | SLBI | 7/1/2011 |
| + | Arabidopsis thaliana | GB, VC3 South Devon, Dawlish Warren | Richard Barker Ullman | Richard Barker Ullman | 26/4/1930 | SLBI | 11/1/2011 |
| + | Arabidopsis thaliana | GB, VC18 South Essex, Grays | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 15/6/1897 | SLBI | 12/1/2011 |
| + | Arabidopsis thaliana | GB, VC17 Surrey, Croydon, Croham Hurst | Job Edward Lousley | Job Edward Lousley | 6/5/1924 | SLBI | 17/1/2011 |
| + | Arabidopsis thaliana | GB, VC21 Middlesex, Harefield | Charles Baylis Green | | 5/1904 | SLBI | 18/1/2011 |
| + | Arabidopsis thaliana | GB, VC17,VC21, Laleham | Charles Baylis Green | | 4/1904 | SLBI | 18/1/2011 |
| + | Arabidopsis thaliana | GB, VC21 Middlesex, West Drayton | Charles Baylis Green | | 3/1905 | SLBI | 18/1/2011 |
| + | Arabis glabra | GB, VC37 Worcestershire, Hartlebury Common | John Gregory Hawkes | | 18/6/1957 | BIRM | 12/1/2010 |
| + | Arabis glabra | GB, VC38 Warwickshire, Ward End | | Birmingham Natural History and Philosophical Society | 7/1865 | BIRM | 6/3/2010 |
| + | Arabis hirsuta | GB, VC37 Worcestershire, Malvern Link | Spencer Henry Bickham | Augustin Ley
Spencer Henry Bickham | 7/6/1903 | BIRM | 22/1/2010 |
| + | Arabis hirsuta | GB, VC17 Surrey, Mickleham | Edward Charles Wallace | Harold Stuart Thompson | 5/6/1934 | BIRM | 28/2/2010 |
| + | Arabis hirsuta | GB, VC33 East Gloucestershire, Birdlip | John Wilton Haines | John Wilton Haines | 26/5/1910 | GLR | 6/11/2010 |
| + | Arabis petraea | GB, VC49 Caernarvonshire, Snowdon | Robert Maulkin Lingwood | Augustin Ley | 6/1841 | BIRM | 8/4/2010 |
| + | Arabis petraea | IE, VCH29 Co. Leitrim, Glenade | John Hyams | Augustin Ley | 1849 | BIRM | 8/4/2010 |
| + | Arabis petraea | GB, VC92 South Aberdeenshire, Inverey | John Gilbert Baker | Botanical Exchange Club of the Thirsk Natural History Society
Augustin Ley | 9/1860 | BIRM | 8/4/2010 |
| + | Arabis scabra | GB, VC34 West Gloucestershire, Saint Vincent's Rocks | William Booth Waterfall | Botanical Exchange Club of The British Isles | 24/5/1879 | BIRM | 2/12/2009 |
| + | Arabis scabra | GB, VC34 West Gloucestershire, Clifton | Edward Metcalfe Day | | 4/1914 | GLR | 6/11/2010 |
| + | Arabis thaliana | GB, VC19 North Essex, Hatfield Peverel | Harold Goodman Dixon
Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 3/10/1878 | SLBI | 30/3/2011 |
| + | Arenaria ciliata | IE, VCH28 Co. Sligo, Kings Mountain | Samuel Alexander Stewart | Botanical Exchange Club of The British Isles
Charles Bailey | 18/7/1879 | BIRM | 9/9/2009 |
| + | Arenaria serpyllifolia subsp. serpyllifolia | GB, VC49 Caernarvonshire, Conway | | Augustin Ley | 20/6/1901 | BIRM | 10/12/2009 |
| + | Arenaria serpyllifolia subsp. serpyllifolia | IE, VCH12 Co. Wexford, Ardamine | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles
Augustin Ley | 14/6/1897 | BIRM | 10/12/2009 |
| + | Armeria maritima | GB, VC62 North-east Yorkshire, Redcar | William A Mudd | George Stephen West | 6/1852 | BIRM | 26/10/2009 |
| + | Armeria maritima | GB, VC88 Mid Perthshire, Ben Lawers | William West | George Stephen West | 14/8/1880 | BIRM | 27/11/2009 |
| + | Armoracia rusticana | GB, VC34 West Gloucestershire, Beachley | William Robert Price | William Robert Price | 15/6/1909 | GLR | 25/10/2010 |
| + | Armoracia rusticana | GB, VC2 East Cornwall, Looe | Allan Octavian Hume | Allan Octavian Hume | 12/6/1900 | SLBI | 17/1/2011 |
| + | Armoracia rusticana | GB, VC13 West Sussex, Saint Leonard's Forest | William Robert Sherrin | William Robert Sherrin | 4/7/1898 | SLBI | 4/2/2011 |
| + | Artemisia absinthium | GB, VC46 Cardiganshire, Glandyfi | Langley Kitching | Langley Kitching | 15/8/1898 | BIRM | 26/8/2010 |
| + | Artemisia stelleriana | GB, VC1 West Cornwall, Mount's Bay | Henry Elliott Fox | | 8/1910 | SLBI | 29/11/2012 |
| + | Artemisia vulgaris | GB, VC61,VC62, York | Harold Stuart Thompson | Harold Stuart Thompson | 8/1885 | BIRM | 25/8/2010 |
| + | Artemisia vulgaris | GB, VC3 South Devon, Chagford | Stephen Troyte Dunn | Botanical Exchange Club of The British Isles
Augustin Ley | 20/8/1896 | BIRM | 7/9/2010 |
| + | Artemisia vulgaris | GB, VC20 Hertfordshire, Watford | Edward Palmer | William Hadden Beeby | 8/1842 | SLBI | 3/12/2012 |
| + | Asparagus officinalis | GB, VC1 West Cornwall, Asparagus Island | Langley Kitching | Robert Coane Roberts Jordan | 25/7/1881
27/7/1881 | BIRM | 21/2/2010 |
| + | Asparagus officinalis | GB, VC1 West Cornwall, Kynance | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 25/7/1881 | BIRM | 21/2/2010 |
| + | Asparagus officinalis subsp. officinalis | GB, VC10 Isle of Wight, Norton Spit | Douglas Montague Heath | Douglas Montague Heath | 13/7/1914 | BIRM | 3/3/2010 |
| + | Asplenium adiantum-nigrum | GB, VC34 West Gloucestershire, Pen Moel | William Robert Price | William Robert Price | 4/1908 | GLR | 15/9/2010 |
| + | Asplenium trichomanes | GB, VC34 West Gloucestershire, Lancaut | Gustavus A Ornano St Brody | | 9/1864 | GLR | 15/9/2010 |
| + | Astragalus danicus | GB, VC33 East Gloucestershire, Painswick Hill | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | 5/1947 | GLR | 20/12/2010 |
| + | Astragalus danicus | GB, VC33 East Gloucestershire, Leckhampton | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | 6/1953 | GLR | 30/12/2010 |
| + | Astragalus danicus | GB, VC33 East Gloucestershire, Crickley Hill | | British Botanical Competition | 6/1864 | GLR | 3/1/2011 |
| + | Astragalus danicus | GB, VC33 East Gloucestershire, Barrington Bushes | Edward Francis Witts | Edward Francis Witts | | GLR | 3/2/2011 |
| + | Astragalus danicus | GB, VC25,VC26 | W D | Edward Francis Witts | | GLR | 3/2/2011 |
| + | Astragalus danicus | Beaumonts Hay | Edward Francis Witts | Edward Francis Witts | | GLR | 3/2/2011 |
| + | Astragalus glycyphyllos | GB, VC37 Worcestershire, Trench Wood | | Birmingham Natural History and Philosophical Society | 5/7/1859 | BIRM | 11/3/2010 |
| + | Astragalus glycyphyllos | GB, VC34 West Gloucestershire, Cleeve Wood | Gustavus A Ornano St Brody | Gustavus A Ornano St Brody | 6/1866 | GLR | 14/12/2010 |
| + | Astragalus glycyphyllos | GB, VC33 East Gloucestershire, Ampney Saint Peter | William J H Greenwood | | 8/1912 | GLR | 17/1/2011 |
| + | Astragalus glycyphyllos | GB, VC34 West Gloucestershire, Oxenhall | John Wilton Haines | | 2/9/1915 | GLR | 17/1/2011 |
| + | Astragalus glycyphyllos | GB, VC19 North Essex, Audley End | James Groves | Allan Octavian Hume
Henry & James Groves | 28/7/1902 | SLBI | 22/11/2011 |
| + | Astrantia major | GB, VC40 Shropshire, Stoke Wood | James Cosmo Melvill | Botanical Exchange Club of The British Isles
Augustin Ley
James Cosmo Melvill | 12/6/1908 | BIRM | 15/12/2009 |
| + | Athyrium filix-femina | GB, VC33 East Gloucestershire, Todenham | Harry Joseph Riddelsdell | Harry Joseph Riddelsdell | 11/8/1906 | GLR | 14/9/2010 |
| + | Atriplex | IE, VCH38 Co. Down, Ballywalter | | Botanical Exchange Club of The British Isles
University of Sheffield
Coslett Herbert Waddell | 9/1917 | BIRM | 7/9/2010 |
| + | Atriplex hastata | GB, VC62 North-east Yorkshire, Coatham | John Gilbert Baker | George Stephen West | 5/1853 | BIRM | 25/10/2010 |
| + | Atriplex laciniata | GB, VC100 Clyde Islands, Island of Bute | | | 27/9/1885 | BIRM | 30/7/2010 |
| + | Atriplex laciniata | GB, VC27 East Norfolk, Yarmouth | William West | William West | 25/7/1895 | BIRM | 26/8/2010 |
| + | Atriplex patula | GB, VC6 North Somerset, River Brue | Harold Stuart Thompson | Harold Stuart Thompson | 19/9/1924 | BIRM | 19/8/2010 |
| + | Atriplex patula | GB, VC59 South Lancashire, Haughton Green | J Comber | | 8/1878 | BIRM | 3/9/2010 |
| + | Atriplex patula | GB, VC62 North-east Yorkshire, Ayton | William A Mudd | George Stephen West | 8/1853 | BIRM | 25/10/2010 |
| + | Atriplex portulacoides | GB, VC58 Cheshire, Bromborough Pool | Burton Mounsher Watkins | Augustin Ley | 8/1873 | BIRM | 26/8/2010 |
| + | Atriplex prostrata | GB, VC21 Middlesex, Kew Bridge | George Nicholson | William Hillhouse | 22/8/1878 | BIRM | 9/9/2010 |
| + | Avena fatua | GB, VC15 East Kent, Paddlesworth | E Side | Augustin Ley | 14/7/1893 | BIRM | 15/10/2009 |
| + | Baldellia ranunculoides | GB, VC52 Anglesey, Llyn Coron | Augustin Ley | Augustin Ley | 8/1894 | BIRM | 16/10/2009 |
| + | Ballota nigra | GB, VC54 North Lincolnshire, Lincoln | | Augustin Ley | 11/8/1907 | BIRM | 19/10/2009 |
| + | Ballota nigra | GB, VC36 Herefordshire, Mordiford | Augustin Ley | Augustin Ley | 22/7/1889 | BIRM | 2/11/2009 |
| + | Barbarea stricta | GB, VC36 Herefordshire, Bredwardine | | Augustin Ley | 25/5/1882 | BIRM | 28/10/2009 |
| + | Barbarea stricta | GB, VC37 Worcestershire, Halesowen | William Mathews | | 23/6/1884 | BIRM | 12/11/2009 |
| + | Barbarea stricta | GB, VC36 Herefordshire, Mordiford | Augustin Ley | Augustin Ley | 7/6/1888 | BIRM | 3/3/2010 |
| + | Barbarea stricta | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 18/5/1904 | BIRM | 10/3/2010 |
| + | Barbarea stricta | GB, VC37 Worcestershire, Halesowen | | | 23/6/1884 | BIRM | 28/3/2010 |
| + | Barbarea vulgaris var. arcuata | GB, VC35 Monmouthshire, Tintern | Augustin Ley | Augustin Ley | 11/6/1889 | BIRM | 22/5/2010 |
| + | Berberis vulgaris | GB, VC28 West Norfolk, Rockland | Frederick Robinson | Douglas Montague Heath | 25/5/1916 | BIRM | 29/12/2009 |
| + | Berteroa incana | GB, VC16 West Kent, Dartford Heath | Isaac A Helsby | Isaac A Helsby | 27/6/1925 | SLBI | 2/1/2011 |
| + | Berula erecta | GB, VC29 Cambridgeshire, Chippenham Fen | William West | George Stephen West
William West | 8/1904 | BIRM | 9/11/2009 |
| + | Beta vulgaris subsp. maritima | GB, VC14 East Sussex, Brighton | William Hillhouse | William Hillhouse | 23/8/1877 | BIRM | 7/9/2010 |
| + | Betula pendula x pubescens = B. x aurata | GB, VC58 Cheshire, Birkenhead | John William Burton | George Stephen West
John William Burton | 29/4/1876 | BIRM | 2/2/2010 |
| + | Bidens tripartita | GB, VC17 Surrey, Mitcham Junction | Job Edward Lousley | Job Edward Lousley | 25/8/1928 | SLBI | 17/11/2012 |
| + | Bidens tripartita | GB, VC16 West Kent, Offham | Joseph Woods | Allan Octavian Hume
Frederick Townsend | 30/9/1846 | SLBI | 29/11/2012 |
| + | Blackstonia perfoliata | GB, VC4 North Devon, Braunton Burrows | Allan Octavian Hume | Allan Octavian Hume | 9/7/1901 | SLBI | 22/1/2013 |
| + | Blysmus compressus | GB, VC61 South-east Yorkshire, Great Driffield | Robert Lewis | Botanical Exchange Club of The British Isles
R Lewis | 13/7/1947 | K | 14/5/2012 |
| + | Blysmus compressus | GB, VC59 South Lancashire, Birkdale Sands | Desmond P Murray | Botanical Exchange Club of The British Isles | 8/1924 | K | 21/5/2012 |
| + | Blysmus rufus | GB, VC90 Angus, Montrose Basin | Andrew Kerr | Andrew Kerr | 8/1839 | BON | 12/2/2010 |
| + | Bolboschoenus maritimus | GB, VC6 North Somerset, Uphill | | Harold Stuart Thompson | 13/9/1920 | BIRM | 22/10/2009 |
| + | Bolboschoenus maritimus | GB, VC6 North Somerset, Burnham | Harold Stuart Thompson | Harold Stuart Thompson | 5/7/1886 | BIRM | 22/10/2009 |
| + | Bolboschoenus maritimus | GB, VC10 Isle of Wight, Saint Helen's | Douglas Montague Heath | Douglas Montague Heath | 25/7/1916 | BIRM | 9/11/2009 |
