| + | Adonis autumnalis | GB, VC16 West Kent, Swanley | James Groves | Allan Octavian Hume
Henry & James Groves | 30/6/1883 | SLBI | 3/2/2011 |
| + | Agrimonia eupatoria | GB, VC34 West Gloucestershire, Arlingham | Harry Joseph Riddelsdell | | 7/8/1935 | GLR | 3/2/2011 |
| + | Agrostis capillaris | GB, VC57 Derbyshire, Yeldersley Cultivated | William Richardson Linton | Augustin Ley | 21/8/1907 | BIRM | 1/2/2010 |
| + | Agrostis capillaris | GB, VC36 Herefordshire, Mary Knoll | Augustin Ley | Augustin Ley | 20/7/1883 | BIRM | 28/4/2010 |
| + | Agrostis stolonifera | GB, VC54 North Lincolnshire, Cleethorpes | Eric Frederic Drabble
Hilda Lake Drabble | Watson Botanical Exchange Club
Augustin Ley
Eric Frederic Drabble
Hilda Lake Drabble | 7/1909 | BIRM | 31/3/2010 |
| + | Ajuga reptans | GB, VC85 Fifeshire, Balmuto | John Thomas Irvine Boswell-Syme | | 6/1876 | K | 10/6/2014 |
| + | Alliaria petiolata | GB, VC37 Worcestershire, Bromsgrove | Harold Stuart Thompson | Harold Stuart Thompson | 11/5/1901 | BIRM | 8/2/2010 |
| + | Allium vineale | GB, VC6 North Somerset, Bristol, Clifton Suspension Bridge | Douglas Montague Heath | Douglas Montague Heath | 12/8/1926 | BIRM | 4/5/2010 |
| + | Allium vineale | GB, VC22,VC23, Remenham | Douglas Montague Heath | Douglas Montague Heath | 7/1929 | BIRM | 4/5/2010 |
| + | Alnus glutinosa var. incisa | GB, VC23 Oxfordshire, River Cherwell Cultivated | Edward Francis Linton | Watson Botanical Exchange Club
Augustin Ley
Edward Francis Linton | 11/6/1909 | BIRM | 3/2/2010 |
| + | Anemone nemorosa | GB, VC58 Cheshire, Chester | W C Crowther | Dulwich College
King Edwards School, Birmingham | 4/1900 | SLBI | 3/2/2011 |
| + | Anisantha madritensis | GB, VC113 Channel Islands, Sark | James Walter White | Botanical Exchange Club of The British Isles
Augustin Ley | 6/1894 | BIRM | 26/1/2010 |
| + | Anthriscus caucalis | GB, VC29 Cambridgeshire, Cambridge | Harold Goodman Dixon
Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 18/6/1878 | SLBI | 6/11/2012 |
| + | Anthriscus sylvestris | GB, VC92 South Aberdeenshire, Inverey | Edward Charles Wallace | Edward Charles Wallace | 2/7/1934 | SLBI | 6/11/2012 |
| + | Apera spica-venti | GB, VC2 East Cornwall, Par | Richard Vercoe Tellam | George Stephen West | 1875 | BIRM | 4/5/2010 |
| + | Aquilegia vulgaris | GB, VC6 North Somerset, Cadbury Camp | Harold Stuart Thompson | Harold Stuart Thompson | 5/1918 | BIRM | 3/2/2010 |
| + | Aquilegia vulgaris | GB, VC33 East Gloucestershire, Cranham Woods | E Smythe | H J R | 6/1935 | GLR | 30/9/2010 |
| + | Arenaria serpyllifolia subsp. serpyllifolia | GB, VC49 Caernarvonshire, Little Ormes Head | Augustin Ley | Augustin Ley | 19/6/1901 | BIRM | 1/4/2010 |
| + | Arrhenatherum elatius | GB, VC38 Warwickshire, Hatton | | Robert Large Baker | 8/1876 | BIRM | 23/2/2010 |
| + | Arum maculatum | GB, VC37 Worcestershire, Bromsgrove | Harold Stuart Thompson | Harold Stuart Thompson | 1896 | BIRM | 23/2/2010 |
| + | Astragalus glycyphyllos | GB, VC29 Cambridgeshire, Cherry Hinton Pits | William West | George Stephen West
William West | 14/7/1894 | BIRM | 11/2/2010 |
| + | Avena strigosa | GB, VC17 Surrey, Mortlake | George Nicholson | Robert Large Baker | 7/1875 | BIRM | 21/1/2010 |
| + | Berteroa incana | GB, VC6 North Somerset, Brislington | Harold Stuart Thompson | Watson Botanical Exchange Club
Harold Stuart Thompson | 9/8/1930 | SLBI | 27/1/2011 |
| + | Berula erecta | GB, VC38 Warwickshire, Little Compton | Douglas Montague Heath | Douglas Montague Heath | 29/9/1948 | BIRM | 28/4/2010 |
| + | Betula nana | GB, VC106 East Ross & Cromarty, Fannich Forest | Augustin Ley | Augustin Ley | 29/5/1869 | BIRM | 1/3/2010 |
| + | Brachypodium pinnatum | GB, VC36 Herefordshire, Coppet Hill | Augustin Ley | Augustin Ley | 22/6/1880 | BIRM | 29/4/2010 |
| + | Brassica | GB, VC60 West Lancashire, Saint Anne's on Sea | Charles Bailey | Augustin Ley | 7/9/1907 | BIRM | 23/2/2010 |
| + | Brassica oleracea | GB, VC9 Dorset, Winspit | Richard Barker Ullman | Richard Barker Ullman | 27/4/1920 | SLBI | 29/12/2010 |
| + | Brassica rapa subsp. campestris | GB, VC17 Surrey, Kew | Job Edward Lousley | Harold Stuart Thompson
Job Edward Lousley | 25/6/1932 | BIRM | 13/1/2010 |
| + | Bromopsis erecta | GB, VC40 Shropshire, Presthope | Augustin Ley | Augustin Ley | 14/7/1909 | BIRM | 23/1/2010 |
| + | Bromus commutatus | GB, VC17 Surrey, Egham | J Fraser | Watson Botanical Exchange Club
Harold Stuart Thompson
J Fraser | 28/6/1931 | BIRM | 31/3/2010 |
| + | Bupleurum falcatum | GB, VC18,VC19, Norton Heath
GB, VC5 South Somerset, Bridgwater Cultivated | H Corder | Harold Stuart Thompson | 7/1894 | BIRM | 1/2/2010 |
| + | Bupleurum falcatum | GB, VC18,VC19, Norton Heath | Thomas Corder | Benjamin Bower Le Tall
Harold Stuart Thompson | | BIRM | 1/2/2010 |
| + | Callitriche autumnalis | GB, VC60 West Lancashire, Ashton on Ribble | F C King | Watson Botanical Exchange Club
Harold Stuart Thompson | 8/1885 | BIRM | 23/2/2010 |
| + | Caltha palustris var. guerangerii | GB, VC22 Berkshire, Burghfield | Job Edward Lousley | Job Edward Lousley | 2/4/1923 | SLBI | 10/3/2011 |
| + | Caltha palustris var. radicans | GB, VC49 Caernarvonshire, Foel-fras | Cecil Prescott Hurst | Allan Octavian Hume | 10/6/1908 | SLBI | 10/3/2011 |
| + | Capsella bursa-pastoris | GB, VC16 West Kent, Swanley | Allan Octavian Hume | Allan Octavian Hume | 28/8/1898 | SLBI | 3/2/2011 |
| + | Cardamine amara | GB, VC26 West Suffolk, Barton Mills | William West | George Stephen West | 24/5/1895 | BIRM | 1/3/2010 |
| + | Cardamine dentata x fragilis | GB, VC17 Surrey, Kew | George Nicholson | William Hillhouse | 5/1879 | BIRM | 7/10/2010 |
| + | Cardamine fragilis | GB, VC38 Warwickshire, Sutton Park | | Birmingham Natural History and Philosophical Society | 11/5/1889 | BIRM | 7/10/2010 |
| + | Cardamine fragilis | GB, VC63 South-west Yorkshire, Shipley | William West | George Stephen West
William West | 6/1877 | BIRM | 7/10/2010 |
| + | Carex hostiana | GB, VC6 North Somerset, Black Down | Harold Stuart Thompson | Harold Stuart Thompson | 21/7/1915 | BIRM | 3/2/2010 |
| + | Carex hostiana | GB, VC42 Breconshire, Abergwesyn | Augustin Ley | Augustin Ley | 17/7/1890 | BIRM | 4/2/2010 |
| + | Carex nigra | IE, VCH1 South Kerry, Glencar | James B Phipps | James B Phipps | 20/6/1954 | BIRM | 13/1/2010 |
| + | Catabrosa aquatica | GB, VC38 Warwickshire, Sutton Park | William Bywater Grove | | 18/6/1910 | BIRM | 29/4/2010 |
| + | Cephalanthera longifolia | GB, VC17 Surrey, Warlingham | J Paul | William Robert Sherrin | | SLBI | 10/12/2011 |
| + | Cephalanthera longifolia | GB, VC13 West Sussex, Goodwood | William Williamson Newbould | | 6/1843 | SLBI | 10/12/2011 |
| + | Cephalanthera longifolia | GB, VC16 West Kent, Farnborough | William Henry Griffin | Allan Octavian Hume | 11/6/1902 | SLBI | 14/12/2011 |
| + | Cephalanthera longifolia | GB, VC16 West Kent, Polhill | William Henry Griffin | Allan Octavian Hume | 15/6/1902 | SLBI | 14/12/2011 |
| + | Cephalanthera longifolia | GB, VC15,VC16 | William Henry Griffin | Allan Octavian Hume | | SLBI | 14/12/2011 |
| + | Cephalanthera longifolia | GB, VC17 Surrey, Gomshall | William Hadden Beeby | William Hadden Beeby | 14/6/1885 | SLBI | 20/12/2011 |
| + | Cephalanthera longifolia | GB, VC37 Worcestershire, Bewdley | | Croydon Natural History and Scientific Society
Henry Franklin Parsons | 1/6/1897 | SLBI | 20/12/2011 |
| + | Cephalanthera longifolia | GB, VC64 Mid-west Yorkshire, Towton | | Croydon Natural History and Scientific Society
Henry Franklin Parsons | 2/6/1884 | SLBI | 20/12/2011 |
| + | Cephalanthera longifolia | GB, VC17 Surrey, Reigate Hill | Stafford Edwin Chandler | Croydon Natural History and Scientific Society
Stafford Edwin Chandler | 6/1898 | SLBI | 21/12/2011 |
| + | Cephalanthera longifolia | GB, VC62 North-east Yorkshire, Rievaulx | Robert Morton Middleton | Robert Morton Middleton
William Hadden Beeby | 18/6/1872 | SLBI | 21/12/2011 |
| + | Cerastium glomeratum | GB, VC35 Monmouthshire, Abergavenny | Charles Bailey | Charles Bailey | 11/6/1897 | BIRM | 20/1/2010 |
| + | Circaea lutetiana | IE, VCH21 Co. Dublin, Howth | Robert Lloyd Praeger | Robert Lloyd Praeger | 31/7/1902 | DBC | 7/4/2011 |
| + | Clematis vitalba | GB, VC33 East Gloucestershire, Guiting Brake | | Edward Francis Witts | | GLR | 30/9/2010 |
| + | Cochlearia pyrenaica subsp. alpina | GB, VC49 Caernarvonshire, Craig Dulyn | | Augustin Ley | 30/8/1887 | BIRM | 26/1/2010 |
| + | Cochlearia pyrenaica subsp. alpina | GB, VC49 Caernarvonshire, Craig Dulyn | | | 17/8/1886 | BIRM | 26/1/2010 |
| + | Colchicum autumnale | GB, VC6 North Somerset, Wolland | Harold Stuart Thompson | Harold Stuart Thompson | 29/8/1935 | BIRM | 1/4/2010 |
| + | Coriandrum sativum | GB, VC18 South Essex, Dagenham | Douglas Montague Heath | Douglas Montague Heath | 10/1925 | BIRM | 29/4/2010 |
| + | Cornus sanguinea | GB, VC21 Middlesex, Harefield | William Robert Sherrin | William Robert Sherrin | 6/1907 | SLBI | 5/11/2012 |
| + | Crepis paludosa | GB, VC87 West Perthshire, Menstrie Glen | A H Foord | A H Foord | 7/1885 | DBC | 7/4/2011 |
| + | Cruciata laevipes | GB, VC16 West Kent, Shoreham | Peter Charles Holland | Peter Charles Holland | 2/6/1962 | SLBI | 6/11/2012 |
| + | Cynodon dactylon | GB, VC1 West Cornwall, Marazion Green | Augustin Ley | Augustin Ley | 25/9/1884 | BIRM | 8/2/2010 |
| + | Cynoglossum officinale | GB, VC49 Caernarvonshire, Criccieth | William Hunt Painter | William Hunt Painter | 7/1890 | BIRM | 3/2/2010 |
| + | Cynoglossum officinale | GB, VC26 West Suffolk, Lakenheath Warren | William West | George Stephen West
William West | 12/6/1894 | BIRM | 26/4/2010 |
| + | Cynoglossum officinale | GB, VC52 Anglesey, Newborough Warren | William West | George Stephen West
William West | 1/8/1889 | BIRM | 29/4/2010 |
| + | Dactylis glomerata | GB, VC28 West Norfolk, Appleton | Charles Edward Hubbard | | 22/7/1933 | K | 9/6/2014 |
| + | Dactylis glomerata | GB, VC37 Worcestershire, Mathon | Francis Morland Day | C P. H | 17/7/1945 | K | 9/6/2014 |
| + | Dactylis glomerata | GB, VC36 Herefordshire, Mathon, Parkwood | Francis Morland Day | Charles Edward Hubbard | 17/7/1945 | K | 9/6/2014 |
| + | Dactylis glomerata | GB, VC1 West Cornwall, Gunwalloe | Charles Edward Hubbard | | 6/1956 | K | 11/6/2014 |
| + | Dactylis glomerata | GB, VC29 Cambridgeshire, Shepreth | Charles Edward Hubbard | | 13/8/1938 | K | 11/6/2014 |
| + | Dactylis glomerata | GB, VC108 West Sutherland, Inchnadamph | Richard William George Dennis | | 17/7/1957 | K | 15/6/2014 |
| + | Dactylis glomerata | | Dawson Turner | Dawson Turner
William Jackson Hooker | | K | 15/6/2014 |
| + | Dactylis glomerata | GB, VC14 East Sussex, Hastings | | Samuel Goodenough | | K | 16/6/2014 |
| + | Dactylis glomerata | GB, VC7,VC8 | | Richard Chandler Alexander Prior | 1836 | K | 16/6/2014 |
| + | Dactylorhiza incarnata subsp. incarnata | GB, VC59 South Lancashire, Southport | G Nicholson | Augustin Ley
C B Clarke | 8/6/1882 | BIRM | 16/1/2010 |
| + | Dactylorhiza incarnata subsp. incarnata | GB, VC29 Cambridgeshire, Grantchester | John Wesley Carr | George Stephen West | 7/6/1879 | BIRM | 23/2/2010 |
| + | Dactylorhiza incarnata subsp. incarnata | GB, VC59 South Lancashire, Southport | George Nicholson | Botanical Exchange Club of The British Isles
Robert Large Baker | 8/6/1882 | BIRM | 26/4/2010 |
| + | Danaa cornubiensis | GB, VC2 East Cornwall, Tregawn | Harold Stuart Thompson | Harold Stuart Thompson | 22/8/1921 | BIRM | 29/4/2010 |
| + | Daucus carota | GB, VC36 Herefordshire, Woolhope | Augustin Ley | Augustin Ley | 26/7/1898 | BIRM | 3/2/2010 |
| + | Daucus carota | GB, VC36 Herefordshire, Woolhope | | Augustin Ley | 25/5/1899 | BIRM | 3/2/2010 |
| + | Daucus maritimus | GB, VC14 East Sussex, Seaford | Langley Kitching | Langley Kitching | 1876 | BIRM | 7/10/2010 |
| + | Deschampsia cespitosa | GB, VC48 Merionethshire, Tal-y-llyn | James B Phipps | James B Phipps | 31/7/1953 | BIRM | 1/4/2010 |
| + | Descurainia sophia | GB, VC17 Surrey, Norwood Cultivated
GB, VC25 East Suffolk, Ipswich | William Henry Griffin | Allan Octavian Hume | 20/7/1905 | SLBI | 27/1/2011 |
| + | Diplotaxis muralis | GB, VC14 East Sussex, Saint Leonards | Charles Bailey | Botanical Exchange Club of The British Isles
Augustin Ley
Charles Bailey | 15/6/1878 | BIRM | 20/1/2010 |
| + | Diplotaxis tenuifolia | GB, VC27 East Norfolk, Great Yarmouth | Douglas Montague Heath | Douglas Montague Heath | 3/7/1916 | BIRM | 1/3/2010 |
| + | Diplotaxis tenuifolia | GB, VC28 West Norfolk, King's Lynn | Douglas Montague Heath | Douglas Montague Heath | 26/6/1916 | BIRM | 1/3/2010 |
| + | Dipsacus fullonum | GB, VC64 Mid-west Yorkshire, newland | Henry Franklin Parsons | Croydon Natural History and Scientific Society
Henry Franklin Parsons | 5/9/1891 | SLBI | 10/11/2012 |
| + | Draba incana | GB, VC65 North-west Yorkshire, Cronkley Fell | Allan Octavian Hume | Allan Octavian Hume | 15/9/1903 | SLBI | 27/1/2011 |
| + | Draba incana | GB, VC88 Mid Perthshire, Ben Lawers | Richard McKay | William Hadden Beeby | 14/7/1870 | SLBI | 10/3/2011 |
| + | Draba incana | GB, VC106 East Ross & Cromarty, Tain | Edward Shearburn Marshall | William Hadden Beeby | 20/7/1890 | SLBI | 10/3/2011 |
| + | Elodea canadensis | GB, VC17 Surrey, Woking | James Groves | Allan Octavian Hume
Henry & James Groves | 15/9/1883 | SLBI | 10/12/2011 |
| + | Elytrigia repens | GB, VC17 Surrey, Streatham | F J Sheldon | Watson Botanical Exchange Club
F J Sheldon
Harold Stuart Thompson | 17/7/1925 | BIRM | 13/1/2010 |
| + | Epilobium montanum | GB, VC6 North Somerset, Clifton, Bristol | Harold Stuart Thompson | Harold Stuart Thompson | 15/7/1920 | BIRM | 8/2/2010 |
| + | Epilobium tetragonum | GB, VC36 Herefordshire, Lyonshall | Augustin Ley | Augustin Ley | 5/7/1900 | BIRM | 3/2/2010 |
| + | Epilobium tetragonum | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 8/9/1907 | BIRM | 31/3/2010 |
| + | Epipactis phyllanthes | GB, VC22 Berkshire, Wallingford | | Croydon Natural History and Scientific Society
Robert Russell Hutchinson | | SLBI | 21/12/2011 |
| + | Erica tetralix | GB, VC17 Surrey, Wimbledon Common | William Hillhouse | William Hillhouse | 4/9/1875 | BIRM | 4/5/2010 |
| + | Erysimum cheiranthoides | GB, VC19 North Essex, Hatfield Forest | Douglas Montague Heath | Douglas Montague Heath | 6/9/1912 | BIRM | 28/4/2010 |
| + | Erysimum cheiranthoides | GB, VC28 West Norfolk, Swaffham | Douglas Montague Heath | Douglas Montague Heath | 12/7/1913 | BIRM | 28/4/2010 |
| + | Erysimum cheiranthoides | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 25/6/1885 | BIRM | 29/4/2010 |
| + | Euphorbia lathyris | GB, VC34 West Gloucestershire, Shirehampton | | George Stephen West
William West | | BIRM | 1/2/2010 |
| + | Euphrasia brevipila | GB, VC108 West Sutherland, Tongue | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles
Augustin Ley | 26/7/1897 | BIRM | 13/1/2010 |
| + | Euphrasia brevipila | GB, VC98 Argyllshire, Kirn | William Moyle Rogers | Augustin Ley | 28/6/1901 | BIRM | 28/1/2010 |
| + | Festuca arundinacea | GB, VC28 West Norfolk, Wisbech | Charles Edward Hubbard | | 20/6/1937 | K | 8/6/2014 |
| + | Festuca arundinacea | GB, VC46 Cardiganshire, Gogerddan Welsh Plant Breeding Station Gardens | Thomas James Jenkin | Welsh Plant Breeding Station | 4/7/1934 | K | 8/6/2014 |
| + | Festuca arundinacea | GB, England | Richard Chandler Alexander Prior | Richard Chandler Alexander Prior | 1852 | K | 8/6/2014 |
| + | Festuca arundinacea | GB, VC81 Berwickshire, Dunglass | Olga Margaret Stewart | | 25/7/1975 | K | 8/6/2014 |
| + | Festuca arundinacea | GB, VC18 South Essex, Canvey Island | William Bertram Turrill | | 29/6/1930 | K | 10/6/2014 |
| + | Festuca arundinacea | GB, VC21 Middlesex, Hanwell | Charles Edward Hubbard | | 22/6/1925 | K | 10/6/2014 |
| + | Festuca arundinacea | GB, VC9 Dorset, Maiden Castle | John Frederick Hope-Simpson | | 5/7/1950 | K | 15/6/2014 |
| + | Festuca arundinacea | GB, VC9 Dorset, Maiden Castle | John Frederick Hope-Simpson | | 5/7/1950 | K | 15/6/2014 |
| + | Festuca arundinacea | GB, VC9 Dorset, Maiden Castle | John Frederick Hope-Simpson | | 5/7/1950 | K | 15/6/2014 |
| + | Festuca arundinacea | GB, VC9 Dorset, Maiden Castle | John Frederick Hope-Simpson | | 5/7/1950 | K | 15/6/2014 |
| + | Festuca arundinacea | GB, VC35 Monmouthshire, Tintern | Robert Lewis | Robert Lewis | 8/7/1944 | K | 15/6/2014 |
| + | Festuca arundinacea | GB, VC90 Angus, Red Head | Ursula Katherine Duncan | | 14/7/1944 | K | 16/6/2014 |
| + | Festuca arundinacea | GB, VC112 Shetland, Clickhimin | Richard William George Dennis | | 6/9/1952 | K | 16/6/2014 |
| + | Festuca filiformis | GB, VC85 Fifeshire, Balmuto,Pirniss Wood | John Thomas Irvine Boswell-Syme | Augustin Ley | 7/1871 | BIRM | 13/1/2010 |
| + | Festuca ovina | GB, VC38 Warwickshire, Leek Wootton | Henry Bromwich | Botanical Exchange Club of The British Isles
Charles Bailey | 6/1885 | BIRM | 1/4/2010 |
| + | Festuca rubra | GB, VC49 Caernarvonshire, Deganwy | Augustin Ley | Augustin Ley | 20/6/1901 | BIRM | 29/4/2010 |
| + | Filipendula ulmaria | | | London Natural History Society | 1953 | SLBI | 21/12/2011 |
| + | Fumaria capreolata | GB, VC5 South Somerset, Minehead | Augustin Ley
Spencer Henry Bickham | Watson Botanical Exchange Club
Augustin Ley
Spencer Henry Bickham | 17/6/1906 | BIRM | 23/1/2010 |
| + | Fumaria capreolata | GB, VC62 North-east Yorkshire, Ayton | William A Mudd | George Stephen West | 1858 | BIRM | 1/2/2010 |
| + | Galeopsis ladanum | GB, VC39 Staffordshire, Bescot | | Robert Large Baker | 15/9/1875 | BIRM | 31/3/2010 |
| + | Galium x pomeranicum | GB, VC13 West Sussex, Southwick | Thomas Hilton | Allan Octavian Hume | 8/1903 | SLBI | 6/11/2012 |
| + | Galium x pomeranicum | GB, VC9 Dorset, Abbotsbury | Job Edward Lousley | Job Edward Lousley | 9/7/1932 | SLBI | 6/11/2012 |
| + | Genista tinctoria subsp. humifusa | GB, VC63 South-west Yorkshire, Norland Moor | William West | William West | 8/9/1877 | BIRM | 7/10/2010 |
| + | Geranium columbinum | GB, VC62 North-east Yorkshire, Rievaulx | | George Stephen West | 1877 | BIRM | 31/3/2010 |
| + | Geranium molle | GB, VC38 Warwickshire, Myton | | Birmingham Natural History and Philosophical Society | 7/1874 | BIRM | 7/4/2010 |
| + | Geranium pratense | GB, VC37 Worcestershire, Stourport | | Donor Unknown | 7/1937 | BIRM | 1/2/2010 |
| + | Geranium purpureum | GB, VC14 East Sussex, Saint Leonards | B M Oakeshott | George Stephen West | 7/1875 | BIRM | 1/2/2010 |
| + | Geranium pyrenaicum | GB, VC24 Buckinghamshire, Denham | William Jones James | Harold Stuart Thompson
Thomas Clark | | BIRM | 7/4/2010 |
| + | Geranium rotundifolium | GB, VC34 West Gloucestershire, Sea Mills | Augustin Ley | Augustin Ley | 9/5/1900 | BIRM | 7/10/2010 |
| + | Geranium sanguineum | GB, VC64 Mid-west Yorkshire, Twistleton Scar | Augustin Ley | Augustin Ley | 18/7/1902 | BIRM | 7/4/2010 |
| + | Geranium sanguineum | GB, VC50 Denbighshire, Cefn Fedw | Augustin Ley | Augustin Ley | 7/7/1891 | BIRM | 7/4/2010 |
| + | Geranium sylvaticum | GB, VC36 Herefordshire, Grwyne Valley | Augustin Ley | Augustin Ley | 18/6/1888 | BIRM | 31/3/2010 |
| + | Glyceria fluitans x notata = G. x pedicellata | GB, VC36 Herefordshire, Hereford | Augustin Ley | Augustin Ley | 27/7/1886 | BIRM | 26/1/2010 |
| + | Glyceria plicata | GB, VC85 Fifeshire, Cowdenbeath | John Thomas Irvine Boswell-Syme | Augustin Ley | 7/1869 | BIRM | 16/1/2010 |
| + | Habenaria albida | GB, VC97 West Inverness-shire | Elizabeth Anne Lomax | Robert Large Baker | 7/1875 | BIRM | 26/1/2010 |
| + | Habenaria bifolia | GB, VC60 West Lancashire, Wyresdale | William West | George Stephen West | 8/1877 | BIRM | 26/4/2010 |
| + | Habenaria bifolia | GB, VC59 South Lancashire, Latham | William West | George Stephen West | 8/1877 | BIRM | 26/4/2010 |
| + | Helianthemum apenninum | GB, VC6 North Somerset, Brean Down | W Strong | Dulwich College | 8/1907 | SLBI | 3/2/2011 |
| + | Helictotrichon pubescens | GB, VC64 Mid-west Yorkshire, Hawksworth | William West | George Stephen West
William West | 6/1906 | BIRM | 26/1/2010 |
| + | Helleborus viridis | GB, VC17 Surrey, Dorking | | Dulwich College | 4/1892 | SLBI | 3/2/2011 |
| + | Helleborus viridis | GB, VC17 Surrey, Titsey | Philip Henry Cooke | London Natural History Society | 26/4/1937 | SLBI | 3/2/2011 |
| + | Hippuris vulgaris | GB, VC92 South Aberdeenshire, Kildrummy | | | 12/8/1886 | DBC | 7/4/2011 |
| + | Hordelymus europaeus | GB, VC36 Herefordshire, Storridge | Augustin Ley | Augustin Ley | 21/5/1880 | BIRM | 28/4/2010 |
| + | Hordeum jubatum | GB, VC16 West Kent, Erith | Anthony Hurt Wolley Dod | Botanical Exchange Club of The British Isles
Augustin Ley | 3/7/1892 | BIRM | 28/4/2010 |
| + | Hordeum secalinum | GB, VC6 North Somerset, Clifton, Bristol | Harold Stuart Thompson | Harold Stuart Thompson | 13/6/1938 | BIRM | 1/2/2010 |
| + | Hordeum secalinum | GB, VC15 East Kent, Whitstable | William West
William West | George Stephen West
William West | 2/8/1900 | BIRM | 7/4/2010 |
| + | Iris foetidissima | GB, VC9 Dorset, Swanage | William West | George Stephen West
William West | 29/8/1897 | BIRM | 1/2/2010 |
| + | Iris pseudacorus | GB, VC5 South Somerset, North Petherton | Harold Stuart Thompson | Harold Stuart Thompson | 26/6/1886 | BIRM | 31/3/2010 |
| + | Isatis tinctoria | GB, VC17 Surrey, Puttenham | Henry Groves
James Groves | George Stephen West
Henry & James Groves | 5/1874 | BIRM | 23/2/2010 |
| + | Jasione montana | GB, VC14 East Sussex, Frant | | | 1837 | BIRM | 4/5/2010 |
| + | Juncus acutus | GB, VC5 South Somerset, Wembdon | | Harold Stuart Thompson
Thomas Clark | | BIRM | 8/2/2010 |
| + | Juncus bulbosus | GB, VC49 Caernarvonshire, Llyn Crafnant | Richard Henry Yapp | U C W Aberystwyth
Richard Henry Yapp | 9/1906 | BIRM | 29/4/2010 |
| + | Juncus gerardii | GB, VC6 North Somerset, River Brue | Harold Stuart Thompson | Harold Stuart Thompson | 5/7/1935 | BIRM | 16/1/2010 |
| + | Juncus inflexus x effusus = J. x diffusus | GB, VC37 Worcestershire, Newland Common | | Augustin Ley | 30/9/1879 | BIRM | 3/2/2010 |
| + | Juniperus communis subsp. communis | GB, VC69 Westmorland, Arnside,Arnside Tower | | | | BIRM | 7/4/2010 |
| + | Juniperus communis subsp. communis | GB, VC36 Herefordshire, Tedstone Delamere | Augustin Ley | Augustin Ley | 28/9/1886 | BIRM | 7/4/2010 |
| + | Knautia arvensis | GB, VC36 Herefordshire, Woolhope | Augustin Ley | Augustin Ley | 26/7/1898 | BIRM | 23/2/2010 |
| + | Lamium album | GB, VC6 North Somerset, Berrow | Davie | | 22/5/1949 | K | 8/6/2014 |
| + | Lamium album | GB, VC23 Oxfordshire, Great Rollright | Harry Joseph Riddelsdell | Harry Joseph Riddelsdell | 1/5/1925 | K | 11/6/2014 |
| + | Lamium album | GB, VC17 Surrey, Guildford | Lester Vallis Lester-Garland | Lester Vallis Lester-Garland | 4/1899 | K | 16/6/2014 |
| + | Lamium galeobdolon subsp. montanum | GB, VC17 Surrey, Caterham | Charles Edward Britton | Charles Edward Britton | 24/5/1925 | K | 11/6/2014 |
| + | Lamium maculatum | GB, VC7 North Wiltshire, Marlborough | Arthur William Hill | Arthur William Hill | 9/5/1892 | K | 15/6/2014 |
| + | Lamium purpureum | GB, VC30 Bedfordshire, Flitwick | Mary Ann Brooks | Mary Ann Brooks | | BIRM | 7/4/2010 |
| + | Lamium purpureum var. incisum | GB, VC19 North Essex, Clacton | Charles Edward Britton | Charles Edward Britton | 11/10/1912 | K | 11/6/2014 |
| + | Lamium purpureum var. incisum | IE, VCH27 West Mayo, Achill Island | Robert Lloyd Praeger | Robert Lloyd Praeger | 19/7/1904 | K | 11/6/2014 |
| + | Lamium purpureum var. purpureum | GB, VC67 South Northumberland, Whitley Bay | Frank Nigel Hepper | Frank Nigel Hepper | 6/1948 | K | 15/6/2014 |
| + | Lamium purpureum var. incisum | GB, VC113 Channel Islands, Pot Bay, Little Sark | E A Golby
Francis Ballard | | 10/6/1929 | K | 16/6/2014 |
| + | Lamium purpureum var. purpureum | GB, VC69 Westmorland, Askam | Dennis Lumb | Botanical Exchange Club of The British Isles
Albert Bruce Jackson | 13/8/1913 | K | 16/6/2014 |
| + | Lathyrus latifolius | GB, VC17 Surrey, Ham Gravel Pits | Peter Charles Holland | Peter Charles Holland | 30/6/1964 | SLBI | 21/12/2011 |
| + | Lathyrus linifolius | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Allan Octavian Hume | 23/5/1900 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC20 Hertfordshire, Bricket Wood | Isaac A Helsby | Isaac A Helsby | 4/6/1923 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC17 Surrey, Holmwood | Isaac A Helsby | Isaac A Helsby | 25/5/1926 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC88 Mid Perthshire, Killin | Isaac A Helsby | Isaac A Helsby | 27/6/1927 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC88 Mid Perthshire, Killin | Isaac A Helsby | Isaac A Helsby | 27/6/1927 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Allan Octavian Hume | 23/5/1900 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC88 Mid Perthshire, Killin Station | Job Edward Lousley | Job Edward Lousley | 2/6/1936 | SLBI | 14/12/2011 |
| + | Lathyrus linifolius | GB, VC88 Mid Perthshire, Muthill | Robert MacKechnie | Job Edward Lousley | 5/1924 | SLBI | 15/12/2011 |
| + | Lathyrus linifolius | GB, VC42 Breconshire, Brecon | C E Robinson | C E Robinson | 5/1892 | SLBI | 20/12/2011 |
| + | Lathyrus linifolius | GB, VC97 West Inverness-shire, Loch Oich | | Frederick Townsend | 7/1845 | SLBI | 21/12/2011 |
| + | Lathyrus nissolia | GB, VC17 Surrey, Mitcham Common | J Fraser | Watson Botanical Exchange Club
J Fraser | 26/6/1927 | SLBI | 10/12/2011 |
| + | Lathyrus nissolia | GB, VC19 North Essex, Langford | Harold Goodman Dixon
Hugh Neville Dixon | Hugh Neville Dixon
Leslie Beeching Hall | 12/7/1879 | SLBI | 10/12/2011 |
| + | Lathyrus nissolia | GB, VC20 Hertfordshire, Hadley | H Creasey | North London Natural History Society Local Herbarium
Charles Smith Nicholson | 15/6/1906 | SLBI | 14/12/2011 |
| + | Lathyrus nissolia | FR, Cannes | Frederick Townsend | Allan Octavian Hume
Frederick Townsend | 2/4/1872 | SLBI | 20/12/2011 |
| + | Lathyrus nissolia | FR, Nancy | | A Mathieu
Allan Octavian Hume
C Billot
Frederick Townsend
Joseph Woods | 18/6/1848 | SLBI | 20/12/2011 |
| + | Lathyrus nissolia | FR, Jura, Franche-Comt, Arbois | Garnier | Allan Octavian Hume
C Billot
Frederick Townsend
Joseph Woods
Thomas Garnier | 6/1852 | SLBI | 20/12/2011 |
| + | Lathyrus nissolia | GB, VC9 Dorset, Wyke Regis | James Walter White | James Walter White
Job Edward Lousley | 20/7/1890 | SLBI | 21/12/2011 |
| + | Lathyrus palustris | GB, VC29 Cambridgeshire, Wicken Fen | John Frederick Rayner | | 1/7/1926 | SLBI | 15/12/2011 |
| + | Lathyrus palustris | GB, VC27 East Norfolk, Ranworth Broad | Henry Groves | Allan Octavian Hume
Henry & James Groves | 12/6/1889 | SLBI | 20/12/2011 |
| + | Lathyrus palustris | GB, VC27 East Norfolk, Acle | Arthur Bennett | William Hadden Beeby | 7/1883 | SLBI | 21/12/2011 |
| + | Lathyrus pratensis | GB, VC34 West Gloucestershire, Tibberton | William Robert Price | William Robert Price | 14/6/1906 | GLR | 29/12/2010 |
| + | Lathyrus pratensis | GB, VC17 Surrey, Dorking | William Hadden Beeby | William Hadden Beeby | 28/6/1885 | SLBI | 14/12/2011 |
| + | Lathyrus pratensis | GB, VC16 West Kent, Swanscombe | Philip Henry Cooke | London Natural History Society | 20/6/1938 | SLBI | 17/12/2011 |
| + | Lathyrus pratensis | GB, VC17 Surrey, Walton on the Hill | | Dulwich College | 8/1906 | SLBI | 17/12/2011 |
