| + | Utricularia minor | | | George Stephen West
William West | 7/1890 | BIRM | 31/3/2010 |
| + | Juncus bulbosus | IE, VCH1 South Kerry, Macgillicuddy's Reeks | | James B Phipps | 21/6/1954 | BIRM | 31/3/2010 |
| + | Juncus bulbosus | GB, VC17 Surrey, Whitemoor | William Richardson Linton | Botanical Exchange Club of The British Isles
Augustin Ley
William Richardson Linton | 18/6/1885 | BIRM | 31/3/2010 |
| + | Poa compressa | GB, VC38 Warwickshire, Southam | | James B Phipps | 15/7/1956 | BIRM | 31/3/2010 |
| + | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | Augustin Ley | 31/5/1888 | BIRM | 31/3/2010 |
| + | Euphorbia amygdaloides | GB, VC10 Isle of Wight, Shanklin | Harold Stuart Thompson | Douglas Montague Heath | 4/1914 | BIRM | 31/3/2010 |
| + | Chaerophyllum temulum | GB, VC6 North Somerset, Harptree | Harold Stuart Thompson | Harold Stuart Thompson | 14/7/1916 | BIRM | 31/3/2010 |
| + | Juncus inflexus x effusus = J. x diffusus | GB, VC38 Warwickshire, Balsall | | George Stephen West
John Harbord Lewis | | BIRM | 31/3/2010 |
| + | Epilobium roseum | GB, VC40 Shropshire, Meole Brace | James Cosmo Melvill | Augustin Ley | 8/1910 | BIRM | 31/3/2010 |
| + | Persicaria bistorta | CH, Martigny | Augustin Ley | Augustin Ley | 15/8/1863 | BIRM | 31/3/2010 |
| + | Erica vagans | GB, VC33 East Gloucestershire, Cheltenham | Linnaeus Cumming | Robert Large Baker | 6/1874 | BIRM | 31/3/2010 |
| + | Puccinellia fasciculata | GB, VC13 West Sussex, Shoreham | J L Warren | Augustin Ley | 8/1871 | BIRM | 31/3/2010 |
| + | Petroselinum crispum | GB, VC6,VC34, Bristol | Harold Stuart Thompson | Harold Stuart Thompson | 7/7/1920 | BIRM | 31/3/2010 |
| + | Alopecurus pratensis x geniculatus = A. x brachystylus | GB, VC38 Warwickshire, Kenilworth | Henry Bromwich | Botanical Exchange Club of The British Isles
Augustin Ley | 7/1900 | BIRM | 31/3/2010 |
| + | Milium effusum | GB, VC17 Surrey, Kew | | William Hillhouse | 6/1894 | BIRM | 31/3/2010 |
| + | Poa trivialis | GB, VC6 North Somerset, Pill | Harold Stuart Thompson | Harold Stuart Thompson | 31/5/1916 | BIRM | 31/3/2010 |
| + | Filipendula ulmaria | GB, VC36 Herefordshire, Lyonshall Park | Augustin Ley | Augustin Ley | 1/7/1908 | BIRM | 31/3/2010 |
| + | Valeriana officinalis | GB, VC36 Herefordshire, Sellack Cultivated
GB, VC57 Derbyshire, Dovedale | Augustin Ley | Augustin Ley | 2/7/1887 | BIRM | 31/3/2010 |
| + | Sisymbrium strictissimum | GB, VC60 West Lancashire, Heaton | James Edwin McDonald | Charles Bailey | 30/8/1904 | BIRM | 31/3/2010 |
| + | Bunium bulbocastanum | GB, VC33 East Gloucestershire, Cheltenham,Hewletts | Archibald Sim Montgomrey | Harold Stuart Thompson | 13/6/1917 | BIRM | 31/3/2010 |
| + | Marrubium vulgare | GB, VC52 Anglesey, Newborough Warren | William West | George Stephen West
William West | 1/8/1889 | BIRM | 31/3/2010 |
| + | Juncus acutiflorus | GB, VC28 West Norfolk, Thetford | Douglas Montague Heath | Douglas Montague Heath | 5/9/1916 | BIRM | 31/3/2010 |
| + | Juniperus communis subsp. communis | GB, VC17 Surrey, Mickleham Downs | William West | George Stephen West
William West | 26/9/1890 | BIRM | 31/3/2010 |
| + | Prunus cerasus | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Augustin Ley | 13/6/1905 | BIRM | 31/3/2010 |
| + | Thalictrum minus | GB, VC70 Cumberland, Ennerdale Lake | Augustin Ley | Augustin Ley | 24/8/1881 | BIRM | 31/3/2010 |
| + | Sagittaria sagittifolia | GB, VC38 Warwickshire, Lapworth | George Stephen West | George Stephen West | 18/6/1910 | BIRM | 31/3/2010 |
| + | Juncus bulbosus | GB, VC17 Surrey, Esher Common | J Fraser | Botanical Exchange Club of The British Isles
Harold Stuart Thompson
J Fraser | 24/9/1931 | BIRM | 31/3/2010 |
| + | Galeopsis versicolor | GB, VC63 South-west Yorkshire, Doncaster | William West | George Stephen West | 8/1879 | BIRM | 31/3/2010 |
| + | Saxifraga hirsuta | IE, VCH1 South Kerry, Dingle | Augustin Ley | Augustin Ley | 15/8/1887 | BIRM | 31/3/2010 |
| + | Carex binervis | GB, VC49 Caernarvonshire, Nant Ffrancon | Augustin Ley | Augustin Ley | 22/8/1888 | BIRM | 31/3/2010 |
| + | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC9 Dorset, River Stour at Wimbourne | Augustin Ley | Augustin Ley | 8/8/1882 | BIRM | 31/3/2010 |
| + | Poa pratensis | GB, VC42 Breconshire, Brecon Beacons | Augustin Ley | Augustin Ley | | BIRM | 31/3/2010 |
| + | Euphorbia dulcis | GB, VC80 Roxburghshire, Jedburgh | Andrew Brotherston | George Stephen West
John Harbord Lewis | 6/1876 | BIRM | 31/3/2010 |
| + | Ulmus glabra | GB, VC31 Huntingdonshire, Huntingdon | Edward Walter Hunnybun | Watson Botanical Exchange Club
Augustin Ley
Spencer Henry Bickham | 3/9/1908 | BIRM | 31/3/2010 |
| + | Bromus arvensis | GB, VC34 West Gloucestershire, Clifton Down | Harold Stuart Thompson | Harold Stuart Thompson | 4/7/1920 | BIRM | 31/3/2010 |
| + | Potamogeton compressus | GB, VC59 South Lancashire, Ashton | Sarah J Whild | | 31/7/1999 | BIRM | 31/3/2010 |
| + | Reseda lutea | GB, VC20 Hertfordshire, Hitchin | William Hillhouse | William Hillhouse | 8/9/1875 | BIRM | 31/3/2010 |
| + | Hesperis matronalis | GB, VC6 North Somerset, Pill | Harold Stuart Thompson | Harold Stuart Thompson | 3/6/1916 | BIRM | 31/3/2010 |
| + | Lepidium campestre | GB, VC30 Bedfordshire, Charle Wood, Woburn | William Hillhouse | William Hillhouse | 23/6/1878 | BIRM | 31/3/2010 |
| + | Tamus communis | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 6/1899 | BIRM | 31/3/2010 |
| + | Valeriana officinalis | GB, VC57 Derbyshire, Ashwood Dale | Augustin Ley | Augustin Ley | 12/7/1869 | BIRM | 31/3/2010 |
| + | Limonium vulgare | GB, VC28 West Norfolk, Hunstanton | William Hillhouse | William Hillhouse | 20/8/1879 | BIRM | 31/3/2010 |
| + | Neckeria lutea | GB, VC57 Derbyshire, Wormhill | William West | George Stephen West
William West | 8/1877 | BIRM | 31/3/2010 |
| + | Erica tetralix | GB, VC11 South Hampshire, Bournemouth | William Henry Wilkinson | William Henry Wilkinson | 1878 | BIRM | 31/3/2010 |
| + | Polygala vulgaris | GB, VC4 North Devon, Lynton | Douglas Montague Heath | Douglas Montague Heath | 8/1901 | BIRM | 31/3/2010 |
| + | Knautia arvensis | GB, Ambiguous locality (GB), Broadway | | George Stephen West | 9/9/1888 | BIRM | 31/3/2010 |
| + | Sonchus asper | GB, VC63 South-west Yorkshire, Doncaster | William West | George Stephen West | 8/1879 | BIRM | 31/3/2010 |
| + | Neottia nidus-avis | GB, VC10 Isle of Wight, Westover Plantation | Douglas Montague Heath | Douglas Montague Heath | 15/8/1916
28/6/1917 | BIRM | 31/3/2010 |
| + | Caltha palustris var. guerangerii | IE, VCH1 South Kerry, Lough Caragh | Augustin Ley | Augustin Ley | 19/8/1887 | BIRM | 31/3/2010 |
| + | Salvia pratensis | GB, VC16 West Kent, Cobham Cultivated | David Thomson Playfair | Watson Botanical Exchange Club
David Thomson Playfair
Harold Stuart Thompson | 17/6/1901 | BIRM | 31/3/2010 |
| + | Bromus mollis | GB, VC38 Warwickshire, Lapworth | George Stephen West | | 29/5/1907 | BIRM | 31/3/2010 |
| + | Melica uniflora | GB, VC37,VC38, Redditch | George Stephen West | | 9/6/1909 | BIRM | 31/3/2010 |
| + | Ranunculus trichophyllus | GB, VC38 Warwickshire, Claverdon | | Robert Large Baker | 7/1873 | BIRM | 1/4/2010 |
| + | Rumex acetosa | GB, VC36 Herefordshire, Saint Weonards, Wall Head | Augustin Ley | Augustin Ley | 1/6/1882 | BIRM | 1/4/2010 |
| + | Sisymbrium polyceratium | GB, VC85 Fifeshire, Charlestown | Alexander Craig Christie | Alexander Craig Christie | 24/9/1870 | BIRM | 1/4/2010 |
| + | Apera spica-venti | GB, VC17 Surrey, Kew | | William Hillhouse | 27/6/1895 | BIRM | 1/4/2010 |
| + | Melampyrum pratense | GB, VC36 Herefordshire, Predwardine | Augustin Ley | Augustin Ley | 24/6/1882 | BIRM | 1/4/2010 |
| + | Meum athamanticum | GB, VC90 Angus, Glen Esk | Augustin Ley | Augustin Ley | 30/6/1874 | BIRM | 1/4/2010 |
| + | Poa annua | GB, VC49 Caernarvonshire, Carnedd Dafydd | Augustin Ley | Augustin Ley | 28/7/1891 | BIRM | 1/4/2010 |
| + | Vulpia membranacea | GB, VC10 Isle of Wight, Saint Helen's | | Douglas Montague Heath | 5/6/1915 | BIRM | 1/4/2010 |
| + | Euphorbia portlandica | GB, VC45 Pembrokeshire, Tenby | William Henry Wilkinson | William Henry Wilkinson | 23/7/1898 | BIRM | 1/4/2010 |
| + | Sedum rupestre | GB, VC10 Isle of Wight, Sandown | Douglas Montague Heath | Douglas Montague Heath | 14/7/1914 | BIRM | 1/4/2010 |
| + | Agrostis stolonifera | GB, VC3 South Devon, Dawlish Warren | William West | George Stephen West
William West | 8/8/1892 | BIRM | 1/4/2010 |
| + | Dactylorhiza incarnata subsp. incarnata | | Hayes | Hayes
George Stephen West | 5/1894 | BIRM | 1/4/2010 |
| + | Primula farinosa | GB, VC65 North-west Yorkshire, Cronkley Scar | William West | George Stephen West
William West | 20/5/1888 | BIRM | 1/4/2010 |
| + | Lotus subbiflorus | GB, VC1 West Cornwall, Lizard | Augustin Ley | Augustin Ley | 13/6/1872 | BIRM | 1/4/2010 |
| + | Phyteuma orbiculare | GB, VC7 North Wiltshire, Avebury | | Douglas Montague Heath | 27/7/1939 | BIRM | 1/4/2010 |
| + | Luzula forsteri x pilosa = L. x borreri | GB, VC2 East Cornwall, Sheviock Wood | | Augustin Ley | 17/5/1876 | BIRM | 1/4/2010 |
| + | Thalictrum minus | GB, VC51 Flintshire, Mold, Loggerheads | Augustin Ley | Augustin Ley | 25/8/1898 | BIRM | 1/4/2010 |
| + | Potamogeton natans | GB, VC47 Montgomeryshire, Llangurig | Augustin Ley | Augustin Ley | 18/8/1893 | BIRM | 1/4/2010 |
| + | Sedum forsterianum | GB, VC35 Monmouthshire, Wynd Cliff | Augustin Ley | London Botanical Exchange Club
Robert Large Baker | 20/6/1876 | BIRM | 1/4/2010 |
| + | Spartina maritima x alterniflora = S. x townsendii | GB, VC11 South Hampshire, Hythe | | George Claridge Druce
George Stephen West | 4/1895 | BIRM | 1/4/2010 |
| + | Alnus glutinosa | GB, VC46 Cardiganshire, River Aeron | Martha Maria Atwood | | 3/1836 | BIRM | 1/4/2010 |
| + | Lotus corniculatus | GB, VC10 Isle of Wight, Shanklin | Douglas Montague Heath | Douglas Montague Heath | 24/7/1916 | BIRM | 1/4/2010 |
| + | Bromus racemosus | GB, VC36 Herefordshire, Hoarwithy | | Augustin Ley | 14/6/1886 | BIRM | 1/4/2010 |
| + | Festuca ovina | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Augustin Ley | 28/6/1881 | BIRM | 1/4/2010 |
| + | Ranunculus trichophyllus var. radians | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 22/4/1872
5/1876 | BIRM | 1/4/2010 |
| + | Thymus chamaedrys | GB, VC11 South Hampshire, Compton | William West | George Stephen West
William West | 26/7/1896 | BIRM | 1/4/2010 |
| + | Deschampsia cespitosa | GB, VC49 Caernarvonshire, Ceunant Mawr | John Harbord Lewis | George Stephen West
John Harbord Lewis
William West | 26/7/1875 | BIRM | 1/4/2010 |
| + | Poa nemoralis | GB, VC42 Breconshire, Tarren yr Esgob | Augustin Ley | Augustin Ley | 20/8/1880 | BIRM | 1/4/2010 |
| + | Cerastium arcticum | GB, VC97 West Inverness-shire, Spean Bridge | | | 12/8/1832 | BIRM | 1/4/2010 |
| + | Neckeria lutea | GB, VC2 East Cornwall, Millbrook | William Booth Waterfall | Harold Stuart Thompson | 6/1876 | BIRM | 1/4/2010 |
| + | Dipsacus fullonum | GB, VC5 South Somerset, Bridgwater | Harold Stuart Thompson | Harold Stuart Thompson | 6/1890 | BIRM | 1/4/2010 |
| + | Vaccinium vitis-idaea | GB, VC62 North-east Yorkshire, Great Ayton Moor | William A Mudd | George Stephen West | 6/1853 | BIRM | 1/4/2010 |
| + | Saxifraga tridactylites | GB, VC35 Monmouthshire, Tintern | Augustin Ley | Augustin Ley | 12/5/1904 | BIRM | 1/4/2010 |
| + | Cardamine impatiens | GB, VC36 Herefordshire, Chase Wood | William Henry Purchas | Augustin Ley | 5/1845 | BIRM | 1/4/2010 |
| + | Sanicula europaea | GB, VC38 Warwickshire, Solihull | George Stephen West | George Stephen West | 25/5/1907 | BIRM | 1/4/2010 |
| + | Festuca filiformis | GB, VC70 Cumberland, Egremont | Gardner Chambers | George Stephen West | 1851 | BIRM | 1/4/2010 |
| + | Saxifraga hypnoides | GB, VC49 Caernarvonshire, Caernarvon Cultivated | Augustin Ley
John Edwards Griffith | Augustin Ley | 5/6/1892 | BIRM | 1/4/2010 |
| + | Cardamine flexuosa | GB, VC10 Isle of Wight, Shanklin, America Wood | Douglas Montague Heath | Douglas Montague Heath | 8/4/1915 | BIRM | 1/4/2010 |
| + | Spiranthes spiralis | GB, VC6 North Somerset, Weston-super-Mare | T Stock | George Stephen West
William West | 8/1866 | BIRM | 1/4/2010 |
| + | Caltha palustris var. guerangerii | GB, VC63 South-west Yorkshire, Shipley | William West | George Stephen West
William West | 17/5/1876 | BIRM | 1/4/2010 |
| + | Agrostis stolonifera | GB, VC38 Warwickshire, Bradnock's Marsh | Harold Stuart Thompson | Watson Botanical Exchange Club
Harold Stuart Thompson | 13/7/1901 | BIRM | 1/4/2010 |
| + | Habenaria albida | GB, VC64 Mid-west Yorkshire, Ripon | M West | George Stephen West | 7/1907 | BIRM | 1/4/2010 |
| + | Poa trivialis | GB, VC20 Hertfordshire, Royston Heath | | Walter Stiles | 7/7/1909 | BIRM | 1/4/2010 |
| + | Epilobium roseum | GB, VC34 West Gloucestershire, Lydbrook | Augustin Ley | Augustin Ley | 8/1892 | BIRM | 1/4/2010 |
| + | Viola riviniana | GB, VC12 North Hampshire, Odiham | Charlotte Ellen Palmer | Augustin Ley
Charlotte Ellen Palmer | 14/5/1884 | BIRM | 1/4/2010 |
| + | Tanacetum vulgare | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 20/8/1898 | BIRM | 1/4/2010 |
| + | Ulmus glabra | GB, VC36 Herefordshire, Wilton | Augustin Ley | Augustin Ley | 22/5/1910 | BIRM | 1/4/2010 |
| + | Ornithogalum nutans | GB, VC38 Warwickshire, Offchurch | | Robert Large Baker | 4/1874 | BIRM | 1/4/2010 |
| + | Cochlearia pyrenaica subsp. alpina | GB, VC82 East Lothian, Aberlady Bay | Ida Margaret Hayward | Watson Botanical Exchange Club
Augustin Ley
Ida Margaret Hayward | 22/5/1908 | BIRM | 1/4/2010 |
| + | Danthonia decumbens | GB, VC64 Mid-west Yorkshire, Eldwick | William West | George Stephen West
William West | 7/1899 | BIRM | 1/4/2010 |
| + | Vulpia myuros | GB, VC36 Herefordshire, Shucknall Hill | Augustin Ley | Augustin Ley | 11/6/1890 | BIRM | 1/4/2010 |
| + | Potamogeton pectinatus | GB, VC1 West Cornwall, Saint Mary's, Scilly Isles | Augustin Ley | Augustin Ley | 20/9/1884 | BIRM | 1/4/2010 |
| + | Ballota nigra | GB, VC29 Cambridgeshire, Pampisford | William Hillhouse | William Hillhouse | 8/1879 | BIRM | 1/4/2010 |
| + | Fumaria bastardii | GB, VC21 Middlesex, Teddington | Julius R Neve | George Stephen West
Julius R Neve | 8/1878 | BIRM | 1/4/2010 |
| + | Orchis mascula | GB, VC29 Cambridgeshire, Gamlingay Wood | William West | George Stephen West
William West | 5/6/1895 | BIRM | 1/4/2010 |
| + | Minuartia hybrida subsp. tenuifolia | GB, VC8 South Wiltshire, Wishford | Augustin Ley | Augustin Ley | 16/8/1882 | BIRM | 1/4/2010 |
| + | Euphorbia cyparissias | GB, VC12 North Hampshire, Ibworth | Douglas Montague Heath | Douglas Montague Heath | 12/9/1925 | BIRM | 1/4/2010 |
| + | Festuca rubra | GB, VC36 Herefordshire, Bromyard | Augustin Ley | Augustin Ley | 17/5/1881 | BIRM | 1/4/2010 |
| + | Puccinellia maritima | GB, VC62 North-east Yorkshire, Middlesbrough | William A Mudd | George Stephen West | 7/1856 | BIRM | 1/4/2010 |
| + | Chelidonium majus var. laciniatum | GB, VC17 Surrey, Leatherhead | | Walter Stiles | 22/6/1910 | BIRM | 2/4/2010 |
| + | Lamium album | | | Robert Large Baker | | BIRM | 2/4/2010 |
| + | Dentaria bulbifera | GB, VC24 Buckinghamshire, Buckingham | | George Stephen West | 5/1887 | BIRM | 2/4/2010 |
| + | Apera spica-venti | GB, VC36 Herefordshire, King's Caple Cultivated | Augustin Ley | Augustin Ley | 9/7/1877 | BIRM | 2/4/2010 |
| + | Lotus glaber | GB, VC51 Flintshire, Hawarden | Augustin Ley | Augustin Ley | 27/8/1898 | BIRM | 2/4/2010 |
| + | Medicago lupulina | GB, VC29 Cambridgeshire, Gog Magog Hills | | Walter Stiles | 26/5/1907 | BIRM | 2/4/2010 |
| + | Dactylorhiza incarnata subsp. incarnata | IE, VCH27 West Mayo, Westport | Edward Shearburn Marshall | Watson Botanical Exchange Club
Harold Stuart Thompson | 22/6/1899 | BIRM | 2/4/2010 |
| + | Lagurus ovatus | GB, VC113 Channel Islands, L'Ancresse Common | Frederick Arundel Rogers | Botanical Exchange Club of The British Isles
Augustin Ley
William Moyle Rogers | 2/7/1897 | BIRM | 2/4/2010 |
| + | Meconopsis cambrica | GB, VC42 Breconshire, Craig Cerrig-gleisiad | Augustin Ley | Augustin Ley | 20/6/1898 | BIRM | 2/4/2010 |
| + | Epilobium palustre | GB, VC46 Cardiganshire, Pysgotwr Valley | Augustin Ley | Augustin Ley | 16/7/1890 | BIRM | 2/4/2010 |
| + | Anthoxanthum aristatum subsp. puelii | GB, VC37 Worcestershire, Malvern | Charles Waterfall | Watson Botanical Exchange Club
Edward Shearburn Marshall
Harold Stuart Thompson
Richard Francis Towndrow | 7/1898 | BIRM | 2/4/2010 |
| + | Callitriche hamulata | GB, VC36 Herefordshire, Brampton Abbotts | | Augustin Ley | 15/8/1909 | BIRM | 2/4/2010 |
| + | Geranium pusillum | GB, VC62 North-east Yorkshire, Wilton | William A Mudd | George Stephen West | 8/1852 | BIRM | 2/4/2010 |
| + | Lepidium latifolium | GB, VC34 West Gloucestershire, Bristol, Saint Philip's Marsh | Harold Stuart Thompson | Harold Stuart Thompson | 11/8/1934 | BIRM | 2/4/2010 |
| + | Arctostaphylos alpinus | GB, VC111 Orkney, Ward Hill | J Stirton | William Henry Wilkinson | 10/1888 | BIRM | 2/4/2010 |
| + | Sedum villosum | GB, VC64 Mid-west Yorkshire, Cam Fell | Langley Kitching | Langley Kitching | 6/1876 | BIRM | 2/4/2010 |
| + | Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC29 Cambridgeshire, Parson Ware Drove, Benwick | Alfred Fryer | Augustin Ley | 22/8/1892 | BIRM | 2/4/2010 |
| + | Apium nodiflorum | GB, VC17 Surrey, Barnes Common | | William Hillhouse | 7/1898 | BIRM | 2/4/2010 |
| + | Dactylis glomerata | GB, VC17,VC21, Kew Green | Harold Stuart Thompson | Harold Stuart Thompson | 15/6/1904 | BIRM | 2/4/2010 |
| + | Arrhenatherum elatius | | | Langley Kitching | | BIRM | 2/4/2010 |
| + | Apium nodiflorum | GB, VC38 Warwickshire, Kenilworth, Rouncil Lane | Robert Large Baker | Birmingham Natural History and Philosophical Society
Robert Large Baker | 9/1873 | BIRM | 2/4/2010 |
| + | Agrostis canina | GB, VC6 North Somerset, Shapwick Moor | Harold Stuart Thompson | Harold Stuart Thompson | 13/8/1930 | BIRM | 2/4/2010 |
| + | Lolium multiflorum | GB, VC34 West Gloucestershire, Bristol | Harold Stuart Thompson | Harold Stuart Thompson | | BIRM | 2/4/2010 |
| + | Polypogon monspeliensis | GB, VC9 Dorset, Little Sea | Augustin Ley | Augustin Ley | 8/9/1892 | BIRM | 2/4/2010 |
| + | Barbarea stricta | | Robert Maulkin Lingwood
William Henry Purchas | Augustin Ley | 24/5/1852 | BIRM | 3/4/2010 |
| + | Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC98 Argyllshire, Connel Ferry | Charles Bailey | Botanical Exchange Club of The British Isles
Augustin Ley
Charles Bailey | 21/7/1885 | BIRM | 3/4/2010 |
| + | Anthoxanthum odoratum | | | | | BIRM | 3/4/2010 |
| + | Epipactis helleborine | GB, VC6 North Somerset, Fallington | | | 24/7/1915 | BIRM | 3/4/2010 |
| + | Sedum forsterianum | GB, VC35 Monmouthshire, Wynd Cliff
GB, VC36 Herefordshire, Downton | | | 20/6/1876
6/7/1878 | BIRM | 3/4/2010 |
| + | Sedum forsterianum subsp. elegans | GB, VC36 Herefordshire, Downton | | | 6/7/1878 | BIRM | 3/4/2010 |
| + | Sedum forsterianum subsp. elegans | GB, VC49 Caernarvonshire, Little Ormes Head | | Robert Large Baker | 7/1874 | BIRM | 3/4/2010 |
| + | Luzula multiflora | GB, VC43 Radnorshire, Norton Cultivated | | | 1/7/1897 | BIRM | 3/4/2010 |
| + | Menyanthes trifoliata | GB, VC38 Warwickshire, Sutton Park | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 24/5/1862 | BIRM | 3/4/2010 |
| + | Lotus glaber | GB, VC36 Herefordshire, Kilpeck | Eleonora Armitage | Augustin Ley | 9/1905 | BIRM | 3/4/2010 |
| + | Prunella vulgaris | GB, VC64 Mid-west Yorkshire, Collingham | William West | George Stephen West | 5/1879 | BIRM | 3/4/2010 |
| + | Phleum pratense var. nodosum | GB, VC5 South Somerset, Steart Point | Harold Stuart Thompson | Harold Stuart Thompson | 11/8/1923 | BIRM | 3/4/2010 |
| + | Allium ampeloprasum | GB, VC1 West Cornwall, Lizard | James Cunnack | Augustin Ley | 8/1878 | BIRM | 4/4/2010 |
| + | Leonurus cardiaca | GB, VC23 Oxfordshire, Oxford, Botanic Gardens Cultivated
GB, VC59 South Lancashire, Southport | | Robert Large Baker | 7/1877 | BIRM | 4/4/2010 |
| + | Elytrigia repens | GB, VC38 Warwickshire, Milverton | Henry Bromwich | Botanical Exchange Club of The British Isles
Augustin Ley | 8/1889 | BIRM | 4/4/2010 |
| + | Juncus triglumis | GB, VC49 Caernarvonshire, Carnedd Dafydd | Augustin Ley | Augustin Ley | 28/7/1891 | BIRM | 4/4/2010 |
| + | Eleocharis acicularis | GB, VC36 Herefordshire, Monnington-on-Wye | | Augustin Ley | 18/7/1901 | BIRM | 4/4/2010 |
| + | Ceratocapnos claviculata | GB, VC37 Worcestershire | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 1878 | BIRM | 4/4/2010 |
| + | Juncus gerardii | GB, VC6 North Somerset, Saint Georges | Harold Stuart Thompson | Harold Stuart Thompson | 22/7/1906 | BIRM | 4/4/2010 |
| + | Poa compressa | GB, VC36 Herefordshire, Saddlebow Hill | William Henry Purchas | Augustin Ley | 5/7/1850 | BIRM | 4/4/2010 |
| + | Epilobium tetragonum | GB, VC36 Herefordshire, Lower Buckenhill | | Augustin Ley | 12/7/1893 | BIRM | 4/4/2010 |
| + | Origanum vulgare | GB, VC91 Kincardineshire, Saint Cyrus | Alexander Somerville | Harold Stuart Thompson | 11/8/1903 | BIRM | 4/4/2010 |
| + | Erysimum cheiri | GB, VC34 West Gloucestershire, Saint Vincent's Rocks | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 8/5/1849 | BIRM | 4/4/2010 |
| + | Bromus mollis | GB, VC36 Herefordshire, Brampton Abbotts | | Augustin Ley | 29/5/1908 | BIRM | 4/4/2010 |
| + | Hyacinthoides non-scripta | GB, VC16 West Kent, Kemsing | | Langley Kitching | 22/5/1898 | BIRM | 4/4/2010 |
| + | Arabidopsis thaliana | GB, VC38 Warwickshire, Lapworth | George Stephen West | George Stephen West | 25/5/1897 | BIRM | 4/4/2010 |
| + | Sedum telephium subsp. fabaria | GB, VC69 Westmorland, Rydal | Augustin Ley | Augustin Ley | 8/9/1871 | BIRM | 4/4/2010 |
| + | Ulmus procera | GB, VC40 Shropshire, Ludlow Castle | Augustin Ley | Augustin Ley | 5/9/1910 | BIRM | 4/4/2010 |
| + | Geranium columbinum | GB, VC44 Carmarthenshire, Glynhir Mansion | | Augustin Ley | 23/9/1875 | BIRM | 4/4/2010 |
| + | Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Augustin Ley | 8/1888 | BIRM | 4/4/2010 |
| + | Meum athamanticum | GB, VC87,VC88,VC89, Glen Lochaidh | William West | George Stephen West
William West | 7/1889 | BIRM | 4/4/2010 |
| + | Avena sterilis | GB, VC17 Surrey, Kew | George Nicholson | Augustin Ley | 7/1878 | BIRM | 4/4/2010 |
| + | Armeria maritima | GB, VC49 Caernarvonshire, Carnedd Dafydd | Augustin Ley | Augustin Ley | 28/7/1891 | BIRM | 4/4/2010 |
| + | Potamogeton pectinatus | GB, VC22 Berkshire, Oxford | George Claridge Druce | Augustin Ley | 9/1889 | BIRM | 4/4/2010 |
| + | Carpinus betulus | GB, VC34 West Gloucestershire, Clifton Down | Harold Stuart Thompson | Harold Stuart Thompson | 26/6/1916 | BIRM | 4/4/2010 |
| + | Festuca altissima | GB, VC35 Monmouthshire, Llandogo | | Augustin Ley | 31/7/1877 | BIRM | 4/4/2010 |
| + | Epilobium obscurum | GB, VC62 North-east Yorkshire, Marske | Charles Bailey | Charles Bailey | 23/7/1897 | BIRM | 4/4/2010 |
| + | Epilobium parviflorum | GB, VC37 Worcestershire, Harborne, Pills wood | Harold Stuart Thompson | Harold Stuart Thompson | 8/8/1901 | BIRM | 4/4/2010 |
| + | Sibbaldia procumbens | GB, VC6 North Somerset, Trudoxhill | Edgar Wolston Bertram Handsley Milne-Redhead | Harold Stuart Thompson | 10/8/1921 | BIRM | 4/4/2010 |
| + | Erica cinerea | GB, VC48 Merionethshire, Dolgellau | Colly | George Stephen West | 7/1888 | BIRM | 4/4/2010 |
| + | Saxifraga hirsuta | IE, VCH1 South Kerry, Dingle | | Augustin Ley | 11/8/1887 | BIRM | 4/4/2010 |
| + | Erica cinerea | GB, VC3 South Devon, Haldon | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 1849 | BIRM | 4/4/2010 |
| + | Sonchus oleraceus | GB, VC63,VC64, Apperley | William West | George Stephen West
William West | 9/1899 | BIRM | 4/4/2010 |
| + | Melica nutans | GB, VC35 Monmouthshire, Wynd Cliff | Harold Stuart Thompson | Harold Stuart Thompson | 20/7/1933 | BIRM | 4/4/2010 |
| + | Caltha palustris var. guerangerii | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 7/5/1875
8/6/1875 | BIRM | 4/4/2010 |
| + | Galeopsis tetrahit | GB, VC88 Mid Perthshire, Lawers | | Langley Kitching | 27/7/1877 | BIRM | 4/4/2010 |
| + | Ulmus glabra x minor x plotii = U. x hollandica | GB, VC20 Hertfordshire, Beechwood | Augustin Ley | Augustin Ley | 8/9/1910 | BIRM | 4/4/2010 |
| + | Poa balfourii | GB, VC49 Caernarvonshire, Cwm Llafar | Augustin Ley | Augustin Ley | 13/8/1879 | BIRM | 4/4/2010 |
| + | Iris pseudacorus | GB, VC16 West Kent, Dartford | William Richardson Linton | Augustin Ley
William Richardson Linton | 4/7/1885 | BIRM | 4/4/2010 |
| + | Fumaria muralis subsp. boraei | GB, VC59 South Lancashire, Speke | | Augustin Ley
John Harbord Lewis | 2/10/1876 | BIRM | 4/4/2010 |
| + | Geranium nodosum | GB, VC5 South Somerset, Allerford | | Botanical Exchange Club of The British Isles
Augustin Ley
Edward Henry Farr | | BIRM | 4/4/2010 |
| + | Sesleria caerulea | GB, VC88 Mid Perthshire, Ben Lawers | Douglas Montague Heath | Douglas Montague Heath | 4/7/1926 | BIRM | 4/4/2010 |
| + | Tofieldia pusilla | GB, VC66 County Durham, Widdybank Fell, Teesdale | William A Mudd | George Stephen West | 7/1853 | BIRM | 5/4/2010 |
| + | Limonium humile | GB, VC13 West Sussex, Thorney Island | Edward Charles Wallace | Edward Charles Wallace
Harold Stuart Thompson | 11/8/1935 | BIRM | 5/4/2010 |
| + | Ulmus glabra | GB, VC17 Surrey, Kew | | Augustin Ley | 5/1909
8/1909 | BIRM | 5/4/2010 |
| + | Lolium perenne | GB, VC30 Bedfordshire, Cardington | William Hillhouse | William Hillhouse | 2/6/1895 | BIRM | 5/4/2010 |
| + | Hypericum maculatum subsp. obtusiusculum | GB, VC30 Bedfordshire, Woburn | William Hillhouse | William Hillhouse | 10/4/1875 | BIRM | 5/4/2010 |
| + | Scilla verna | GB, VC1 West Cornwall, Perranporth | Frederick Robinson | Douglas Montague Heath | 6/1919 | BIRM | 5/4/2010 |
| + | Teesdalia nudicaulis | GB, VC30 Bedfordshire, Leighton Buzzard | M A Poulton | William Hillhouse | 24/4/1876 | BIRM | 5/4/2010 |
| + | Erica vagans | GB, VC1 West Cornwall, Lizard | | Augustin Ley | 8/1871 | BIRM | 5/4/2010 |
| + | Saxifraga granulata | GB, VC36 Herefordshire, Tedstone Delamere | Augustin Ley | Augustin Ley | 21/5/1907 | BIRM | 5/4/2010 |
| + | Claytonia alsinoides | GB, VC67 South Northumberland, North Shields | W H Brown | Botanical Exchange Club of The British Isles
Augustin Ley | 7/1884 | BIRM | 5/4/2010 |
| + | Ulmus minor subsp. angustifolia | GB, VC20 Hertfordshire, Stanstead Bury | | Botanical Exchange Club of The British Isles
Augustin Ley
George Claridge Druce | 8/1890 | BIRM | 5/4/2010 |
| + | Callitriche hamulata | GB, VC39 Staffordshire, Alstonefield | Augustin Ley | Augustin Ley | 25/6/1886 | BIRM | 5/4/2010 |
| + | Epilobium obscurum | GB, VC43 Radnorshire, Rhayader | | Augustin Ley | 10/7/1889 | BIRM | 6/4/2010 |
