| + | Viola tricolor subsp. tricolor | GB, VC60 West Lancashire, Pilling | Daniel Angell Jones
James Alfred Wheldon | Augustin Ley
James Alfred Wheldon | 8/1902 | BIRM | 7/11/2009 |
| + | Viola reichenbachiana | GB, VC36 Herefordshire, Great Doward | | Augustin Ley | | BIRM | 30/10/2009 |
| + | Viola reichenbachiana | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Augustin Ley | 31/3/1910 | BIRM | 30/10/2009 |
| + | Viola reichenbachiana | GB, VC36 Herefordshire, Saint Weonards, Crossiago | Augustin Ley | Augustin Ley | 11/5/1909 | BIRM | 1/11/2009 |
| + | Viola reichenbachiana | GB, VC38 Warwickshire, Ufton Wood | William Hillhouse | William Hillhouse | 5/1873 | BIRM | 20/11/2009 |
| + | Viola reichenbachiana | GB, VC30 Bedfordshire, Bletsoe
GB, VC30 Bedfordshire, Riseley | William Hillhouse | | 23/4/1874 | BIRM | 20/11/2009 |
| + | Viola odorata | GB, VC38 Warwickshire, Myton | Robert Large Baker | Robert Large Baker | 4/1874 | BIRM | 25/11/2009 |
| + | Viola lutea | GB, VC43 Radnorshire, Water-break-its-neck | Augustin Ley | Augustin Ley | 29/5/1874 | BIRM | 17/10/2009 |
| + | Viola lutea | GB, VC70 Cumberland, Skiddaw | | George Stephen West
Robert Large Baker | 8/1875 | BIRM | 9/11/2009 |
| + | Viola lutea | GB, VC69 Westmorland, Ambleside | | George Stephen West
Robert Large Baker | 8/1875 | BIRM | 9/11/2009 |
| + | Viola lutea | GB, VC57 Derbyshire, Chapel-en-le-Frith | John Barrow | Charles Bailey
John Barrow | 17/7/1869 | BIRM | 9/11/2009 |
| + | Viola lutea | GB, VC64 Mid-west Yorkshire, Malham, Malham Moor | William West | Charles Bailey
William West | 6/1878 | BIRM | 9/11/2009 |
| + | Viola lutea | Tan y Ffordd | | Charles Bailey | 15/5/1871 | BIRM | 9/11/2009 |
| + | Viola arvensis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 18/10/1907 | BIRM | 23/10/2009 |
| + | Veronica scutellata | GB, VC36 Herefordshire, Moccas Park | Augustin Ley | Augustin Ley | 17/8/1880 | BIRM | 21/11/2009 |
| + | Veronica scutellata | GB, VC43 Radnorshire, Rhos-gôch | Augustin Ley | Augustin Ley | 20/8/1880 | BIRM | 21/11/2009 |
| + | Veronica scutellata | GB, VC36 Herefordshire, Shobdon, Lady Pool | Augustin Ley | Augustin Ley | 11/8/1880 | BIRM | 21/11/2009 |
| + | Veronica agrestis | GB, VC55 Leicestershire, Leire | Augustin Ley | Augustin Ley | 16/4/1875 | BIRM | 15/11/2009 |
| + | Valerianella carinata | GB, VC1 West Cornwall, Newquay | Chambre Corker Vigurs | Botanical Exchange Club of The British Isles
Augustin Ley | 24/5/1908 | BIRM | 3/11/2009 |
| + | Valeriana officinalis | | | Augustin Ley | | BIRM | 15/10/2009 |
| + | Valeriana officinalis | GB, VC42 Breconshire, Byfre Glen | | Augustin Ley | 4/8/1898 | BIRM | 31/10/2009 |
| + | Valeriana officinalis | GB, VC36 Herefordshire, Eardisland | Augustin Ley | Augustin Ley | 5/7/1900 | BIRM | 20/11/2009 |
| + | Utricularia intermedia | GB, VC110 Outer Hebrides, North Uist | William Andrew Shoolbred | Augustin Ley | 18/7/1894 | BIRM | 23/10/2009 |
| + | Urtica urens | GB, VC46 Cardiganshire, Aberaeron | Martha Maria Atwood | | 9/1838 | BIRM | 31/10/2009 |
| + | Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Greytree | | Augustin Ley | 24/9/1909 | BIRM | 19/10/2009 |
| + | Ulmus glabra x minor x plotii = U. x hollandica | GB, VC36 Herefordshire, Athelstans Wood | Augustin Ley | Augustin Ley | 12/9/1876 | BIRM | 21/11/2009 |
| + | Ulmus glabra | GB, VC31 Huntingdonshire, Huntingdon | Augustin Ley | Augustin Ley | 11/8/1910 | BIRM | 4/11/2009 |
| + | Ulmus glabra | GB, VC6 North Somerset, Glastonbury | Augustin Ley | Augustin Ley | 26/6/1909 | BIRM | 8/11/2009 |
| + | Ulmus glabra | | | Augustin Ley | | BIRM | 14/11/2009 |
| + | Ulex europaeus | GB, VC59 South Lancashire, Allerton | John William Burton | Charles Bailey
John William Burton | 24/4/1875 | BIRM | 9/11/2009 |
| + | Typha latifolia | GB, VC3 South Devon, Woodbury Common | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 24/7/1846 | BIRM | 25/10/2009 |
| + | Trollius europaeus | GB, VC36 Herefordshire, Craswall | Augustin Ley | Augustin Ley | 17/6/1880 | BIRM | 23/10/2009 |
| + | Trollius europaeus | GB, VC64 Mid-west Yorkshire, Buckden | William West | George Stephen West
William West | 6/1907 | BIRM | 28/10/2009 |
| + | Trollius europaeus | GB, VC64 Mid-west Yorkshire, Kettlewell | William West | George Stephen West | 6/1904 | BIRM | 28/10/2009 |
| + | Trinia glauca | GB, VC6 North Somerset, Uphill | Thomas Clark | Harold Stuart Thompson
Thomas Clark | 4/6/1832 | BIRM | 10/11/2009 |
| + | Trinia glauca | GB, VC6 North Somerset, Weston-super-Mare | Thomas Clark | Harold Stuart Thompson
Thomas Clark | 5/7/1847 | BIRM | 10/11/2009 |
| + | Tilia x vulgaris | GB, VC65 North-west Yorkshire, Cautley | William West | George Stephen West | 8/1879 | BIRM | 18/10/2009 |
| + | Tilia x vulgaris | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 24/8/1899 | BIRM | 6/11/2009 |
| + | Tilia platyphyllos | GB, VC40 Shropshire, Presthope | Augustin Ley | Augustin Ley | 2/9/1909 | BIRM | 8/11/2009 |
| + | Thymus chamaedrys | GB, VC29 Cambridgeshire, Gog Magog Cultivated | Edward Walter Hunnybun | Watson Botanical Exchange Club
Augustin Ley
George Goode | 7/1909 | BIRM | 25/11/2009 |
| + | Thlaspi caerulescens | GB, VC6 North Somerset, Shipham | Harold Stuart Thompson | Harold Stuart Thompson | 4/4/1914 | BIRM | 21/10/2009 |
| + | Thlaspi caerulescens | GB, VC64 Mid-west Yorkshire, Arncliff | William West | George Stephen West
William West | 7/1904 | BIRM | 24/10/2009 |
| + | Thlaspi caerulescens | GB, VC64 Mid-west Yorkshire, Arncliff | William West | George Stephen West
William West | 6/1909 | BIRM | 24/10/2009 |
| + | Thlaspi caerulescens | GB, VC65,VC66, Teesdale | William West | George Stephen West | 5/1888 | BIRM | 24/10/2009 |
| + | Thlaspi caerulescens | GB, VC64 Mid-west Yorkshire, Settle | Henry Elliott Fox | Botanical Exchange Club of The British Isles
Augustin Ley | 8/1877 | BIRM | 29/10/2009 |
| + | Thlaspi caerulescens | GB, VC90 Angus, Caenlochan Glen | Augustin Ley | Augustin Ley | 12/7/1876 | BIRM | 29/10/2009 |
| + | Thlaspi caerulescens | GB, VC66 County Durham, Cauldron Snout | Augustin Ley | Augustin Ley | 8/8/1878 | BIRM | 29/10/2009 |
| + | Thalictrum minus | GB, VC1 West Cornwall, Lizard | Richard Vercoe Tellam | George Stephen West | 1877 | BIRM | 24/10/2009 |
| + | Thalictrum minus | GB, VC82 East Lothian, North Berwick | Alexander Carroll Maingay | George Stephen West | 7/1856 | BIRM | 26/10/2009 |
| + | Thalictrum minus | GB, VC42 Breconshire, Dyffryn Crawnon | Augustin Ley | Augustin Ley | 24/8/1892 | BIRM | 4/11/2009 |
| + | Tamarix gallica | GB, VC1 West Cornwall, Newquay | J Town | George Stephen West
William West | 9/1906 | BIRM | 30/10/2009 |
| + | Stachys palustris | GB, VC88 Mid Perthshire, Lawers | Langley Kitching | Langley Kitching | 7/1876 | BIRM | 7/11/2009 |
| + | Stachys palustris | GB, VC6 North Somerset, Bath,Prior Park | Harold Stuart Thompson
Herbert William Pugsley | Harold Stuart Thompson | 6/7/1927 | BIRM | 7/11/2009 |
| + | Spiranthes spiralis | GB, VC3 South Devon, Torquay | J Town | George Stephen West
William West | 9/1907 | BIRM | 19/10/2009 |
| + | Sparganium natans | GB, VC27 East Norfolk, Redgrave Fen | Douglas Montague Heath | Douglas Montague Heath | 22/7/1914 | BIRM | 25/10/2009 |
| + | Sparganium erectum subsp. neglectum | GB, VC62 North-east Yorkshire, Scarborough | Isaac Henry Burkill | George Stephen West
Isaac Henry Burkill | 9/1895 | BIRM | 18/10/2009 |
| + | Sonchus asper | GB, VC38 Warwickshire, Alcester | | | 3/10/1951 | BIRM | 16/10/2009 |
| + | Smyrnium olusatrum | GB, VC29 Cambridgeshire, Cherry Hinton | Richard Henry Yapp | U C W Aberystwyth
Richard Henry Yapp | 11/7/1903 | BIRM | 7/11/2009 |
| + | Smyrnium olusatrum | GB, VC29 Cambridgeshire, Cherry Hinton | Richard Henry Yapp | U C W Aberystwyth
Richard Henry Yapp | 3/6/1903 | BIRM | 18/11/2009 |
| + | Sisymbrium orientale | GB, VC17 Surrey, Headly Lane, Surrey | Job Edward Lousley | Harold Stuart Thompson
Job Edward Lousley | 4/6/1932 | BIRM | 18/11/2009 |
| + | Sison amomum | GB, VC5 South Somerset, Taunton | Charles Bailey | Charles Bailey | 2/10/1891 | BIRM | 19/10/2009 |
| + | Sison amomum | GB, VC5 South Somerset, Bridgwater | Thomas Clark | Harold Stuart Thompson
Thomas Clark | 15/8/1830 | BIRM | 25/10/2009 |
| + | Sison amomum | GB, VC63 South-west Yorkshire, Askern | James Abbot | George Stephen West
William West | | BIRM | 5/11/2009 |
| + | Sison amomum | GB, Ambiguous locality (GB), Salford | | Birmingham Natural History and Philosophical Society | | BIRM | 24/11/2009 |
| + | Sinapis arvensis | GB, VC28 West Norfolk, Barnham Common | Douglas Montague Heath | Douglas Montague Heath | 25/9/1916 | BIRM | 7/11/2009 |
| + | Sinapis alba | GB, VC6,VC34, Bristol | Harold Stuart Thompson | Harold Stuart Thompson | 5/8/1917 | BIRM | 5/11/2009 |
| + | Silene acaulis | GB, VC97 West Inverness-shire, Ben Nevis | William West | George Stephen West
William West | 12/8/1880 | BIRM | 1/11/2009 |
| + | Silene acaulis | GB, VC49 Caernarvonshire, Twll Du | John Harbord Lewis | George Stephen West
John Harbord Lewis | 15/8/1874 | BIRM | 1/11/2009 |
| + | Silene acaulis | GB, VC88 Mid Perthshire, Creag an Lochain | William West | George Stephen West
William West | 7/1889 | BIRM | 1/11/2009 |
| + | Setaria viridis | GB, VC16 West Kent, Chislehurst | | Robert Large Baker | 8/1874 | BIRM | 1/2/2010 |
| + | Senecio vulgaris var. radiatus | GB, VC19 North Essex, Bush End | Douglas Montague Heath | Douglas Montague Heath | 7/1901 | BIRM | 6/11/2009 |
| + | Senecio vulgaris var. radiatus | GB, VC28 West Norfolk, Swaffham | Douglas Montague Heath | Douglas Montague Heath | 3/1914 | BIRM | 6/11/2009 |
| + | Selinum carvifolia | GB, VC28 West Norfolk, Hunstanton | William Hillhouse | Harold Stuart Thompson | 20/8/1879 | BIRM | 14/11/2009 |
| + | Sedum forsterianum | GB, VC4 North Devon, Countisbury Foreland | | Douglas Montague Heath | 7/1923 | BIRM | 24/10/2009 |
| + | Sedum anglicum | GB, VC2 East Cornwall, Launceston | Jean Clodius Tempere | William West | 7/1876 | BIRM | 20/10/2009 |
| + | Sedum anglicum | GB, VC62 North-east Yorkshire, Lanbraugh Rigg, Cleveland | William A Mudd | George Stephen West | 7/1852 | BIRM | 23/11/2009 |
| + | Sedum album | GB, VC79 Selkirkshire, Thornielee | Ida Margaret Hayward | Botanical Exchange Club of The British Isles
Augustin Ley
Ida Margaret Hayward | 2/7/1910 | BIRM | 21/10/2009 |
| + | Scutellaria galericulata | GB, VC29 Cambridgeshire, Ely | | Douglas Montague Heath | 8/1903 | BIRM | 3/11/2009 |
| + | Scutellaria galericulata | GB, VC28 West Norfolk, South Pickenham | | | 22/8/1914 | BIRM | 3/11/2009 |
| + | Scilla autumnalis | GB, VC3 South Devon, Babbacombe | William West | George Stephen West
William West | 5/8/1892 | BIRM | 20/10/2009 |
| + | Scilla autumnalis | GB, VC3 South Devon, Berry Head | E J Lumb | George Stephen West
William West | 7/1889 | BIRM | 20/10/2009 |
| + | Schoenoplectus tabernaemontani | GB, VC2 East Cornwall, Par | Richard Vercoe Tellam | George Stephen West | 1875 | BIRM | 29/10/2009 |
| + | Scabiosa columbaria | GB, VC6 North Somerset, Shipham | Harold Stuart Thompson | Harold Stuart Thompson | 7/8/1924 | BIRM | 20/11/2009 |
| + | Saxifraga umbrosa var. punctata | IE, VCH1 South Kerry, Killarney | William Richardson Linton | Botanical Exchange Club of The British Isles
Augustin Ley
William Richardson Linton | 31/7/1885 | BIRM | 3/11/2009 |
| + | Saxifraga rosacea | IE, VCH1 South Kerry, Carrauntoohil | Augustin Ley | Augustin Ley | 20/8/1887 | BIRM | 10/11/2009 |
| + | Saxifraga rosacea | IE, VCH1 South Kerry, Brandon Mountain | Augustin Ley | Augustin Ley | 16/8/1887 | BIRM | 10/11/2009 |
| + | Saxifraga rosacea | IE, VCH1 South Kerry, Brandon Head | Augustin Ley | Augustin Ley | 16/8/1887 | BIRM | 10/11/2009 |
| + | Saxifraga nivalis | GB, VC88 Mid Perthshire, Ben Laoigh [Ben Lui] | Peter Ewing | Watson Botanical Exchange Club
Augustin Ley
Peter Ewing | 7/1908 | BIRM | 7/11/2009 |
| + | Saxifraga nivalis | GB, VC90 Angus, Caenlochan | Augustin Ley | Augustin Ley | 12/7/1876 | BIRM | 7/11/2009 |
| + | Saxifraga nivalis | GB, VC88 Mid Perthshire, Ben More | Augustin Ley | Augustin Ley | 12/7/1872 | BIRM | 7/11/2009 |
| + | Saxifraga hypnoides | GB, VC48 Merionethshire, Cwm Maesglase Cultivated | Augustin Ley | Augustin Ley | 9/6/1877 | BIRM | 25/10/2009 |
| + | Saxifraga hypnoides | GB, VC42 Breconshire, Llanthony Valley | Augustin Ley | London Botanical Exchange Club
Robert Large Baker | 4/6/1877 | BIRM | 25/10/2009 |
| + | Saxifraga hypnoides | GB, VC49 Caernarvonshire, Clogwyn y Garnedd | Augustin Ley | Augustin Ley | 18/7/1904 | BIRM | 31/10/2009 |
| + | Saxifraga hypnoides | GB, VC42 Breconshire, Rhos Dirion Daren | Augustin Ley | Augustin Ley | 26/6/1907 | BIRM | 7/11/2009 |
| + | Saxifraga hypnoides | GB, VC49 Caernarvonshire, Twll Du | Augustin Ley | Augustin Ley | 29/7/1891 | BIRM | 24/11/2009 |
| + | Saxifraga hirsuta | IE, VCH1,VCH2 Cultivated | Edward Francis Linton | Augustin Ley | 18/6/1888 | BIRM | 18/12/2009 |
| + | Saxifraga hirsuta | IE, VCH2 North Kerry, Killarney,Torc [Turk] Mountain | William Richardson Linton | Botanical Exchange Club of The British Isles
Augustin Ley | 31/7/1885 | BIRM | 18/12/2009 |
| + | Saxifraga granulata | | | Birmingham Natural History and Philosophical Society | | BIRM | 23/10/2009 |
| + | Saponaria officinalis | GB, VC23 Oxfordshire, Bloxham | William Hillhouse | William Hillhouse | 28/9/1875 | BIRM | 23/10/2009 |
| + | Saponaria officinalis | GB, VC14 East Sussex, Eastbourne | Robert Large Baker | Robert Large Baker | 8/1874 | BIRM | 30/10/2009 |
| + | Salvia verticillata | GB, VC6 North Somerset, Cambridge Batch | Harold Stuart Thompson | Harold Stuart Thompson | 9/1918 | BIRM | 25/11/2009 |
| + | Salvia pratensis | GB, VC17 Surrey, Reigate Downs
GB, VC5 South Somerset, West Monkton Cultivated | Edward Shearburn Marshall | Augustin Ley
Edward Shearburn Marshall | 1908
27/5/1910 | BIRM | 30/10/2009 |
| + | Sagina procumbens | GB, VC30 Bedfordshire, Sandy | William Hillhouse | William Hillhouse | 23/6/1875 | BIRM | 25/10/2009 |
| + | Sagina maritima | GB, VC59 South Lancashire, Southport | Charles Bailey | Charles Bailey | 27/8/1892 | BIRM | 8/11/2009 |
| + | Sagina maritima | GB, VC10 Isle of Wight, Ryde | Douglas Montague Heath | Douglas Montague Heath | 6/7/1918 | BIRM | 10/11/2009 |
| + | Sagina apetala | GB, VC57 Derbyshire, Buxton | Augustin Ley | Augustin Ley | 13/6/1870 | BIRM | 14/11/2009 |
| + | Ruscus aculeatus | GB, VC6 North Somerset, Sidcot | Harold Stuart Thompson | Harold Stuart Thompson | 23/4/1919 | BIRM | 31/10/2009 |
| + | Ruscus aculeatus | GB, VC3 South Devon, Bolt Head | William Booth Waterfall | Harold Stuart Thompson | 1880 | BIRM | 31/10/2009 |
| + | Rumex obtusifolius | GB, VC17 Surrey, Mortlake | Henry Groves
James Groves | Botanical Exchange Club of The British Isles
Augustin Ley
Henry & James Groves | 1/10/1892 | BIRM | 19/10/2009 |
| + | Rumex crispus | GB, VC17 Surrey, Kew | George Nicholson | London Botanical Exchange Club
Robert Large Baker | 7/1877 | BIRM | 1/11/2009 |
| + | Rorippa nasturtium-aquaticum | GB, VC15 East Kent, Folkestone Warren | Langley Kitching | Langley Kitching | 15/6/1898 | BIRM | 7/11/2009 |
| + | Ribes rubrum | GB, VC28 West Norfolk, Brandon | William West | George Stephen West
William West | 14/5/1895 | BIRM | 1/11/2009 |
| + | Ribes rubrum | GB, VC35 Monmouthshire, Shirenewton | William Andrew Shoolbred | Botanical Exchange Club of The British Isles
Augustin Ley
William Andrew Shoolbred | 20/5/1895 | BIRM | 5/11/2009 |
| + | Rhynchospora fusca | GB, VC9 Dorset, Morden Decoy | Job Edward Lousley | Harold Stuart Thompson
Job Edward Lousley | 18/6/1933 | BIRM | 10/11/2009 |
| + | Rhynchospora fusca | GB, VC6 North Somerset, Shapwick | Arthur William Graveson
Harold Stuart Thompson | Harold Stuart Thompson | 25/6/1932 to 21/7/1932 | BIRM | 10/11/2009 |
| + | Rhynchospora alba | GB, VC6 North Somerset, Turfmoor | Harold Stuart Thompson | Harold Stuart Thompson | 7/1889 | BIRM | 5/11/2009 |
| + | Reseda lutea | GB, VC29 Cambridgeshire, Fleam Dyke | William Hillhouse | William Hillhouse | 27/7/1881 | BIRM | 13/11/2009 |
| + | Rapistrum rugosum | GB, VC6 North Somerset, Bath,Twerton | Stephen Troyte Dunn | Botanical Exchange Club of The British Isles
Augustin Ley | 8/9/1897 | BIRM | 6/11/2009 |
| + | Raphanus raphanistrum | GB, VC28 West Norfolk, King's Lynn | Douglas Montague Heath | Douglas Montague Heath | 26/6/1916 | BIRM | 25/10/2009 |
| + | Raphanus raphanistrum | GB, VC19 North Essex, Bush End | Douglas Montague Heath | Douglas Montague Heath | 5/6/1912 | BIRM | 25/10/2009 |
| + | Raphanus raphanistrum | GB, VC6 North Somerset, Wolland Mill Yard | Harold Stuart Thompson | Harold Stuart Thompson | 23/8/1932 | BIRM | 5/11/2009 |
| + | Ranunculus trichophyllus var. drouetti | GB, VC58 Cheshire, Leasowe | John William Burton | George Stephen West
John William Burton | 13/5/1876 | BIRM | 20/10/2009 |
| + | Ranunculus ficaria | GB, VC17 Surrey, Albury | Stephen Troyte Dunn | Botanical Exchange Club of The British Isles
Augustin Ley | 11/4/1894 | BIRM | 16/10/2009 |
| + | Ranunculus bulbosus | GB, VC45 Pembrokeshire, Freshwater West Cultivated | Susan Margaret Coles | | 6/1971 | BIRM | 15/10/2009 |
| + | Ranunculus bulbosus | IE, VCH39,VCH40, Somerset | Thomas Clark | Harold Stuart Thompson | | BIRM | 3/11/2009 |
| + | Ranunculus bulbosus | GB, VC62 North-east Yorkshire, Ayton | William A Mudd | George Stephen West | 5/1852 | BIRM | 13/11/2009 |
| + | Ranunculus acris | GB, VC112 Shetland, Ollaberry | William Hadden Beeby | Botanical Exchange Club of The British Isles
Augustin Ley | 5/7/1889 | BIRM | 30/10/2009 |
| + | Ranunculus acris | GB, VC11 South Hampshire, Shedfield Lodge | Frederick Townsend | Botanical Exchange Club of The British Isles
Augustin Ley
Frederick Townsend | 5/1873 | BIRM | 31/10/2009 |
| + | Ranunculus acris | GB, VC34 West Gloucestershire, Moorend | Cedric Bucknall | Watson Botanical Exchange Club
Harold Stuart Thompson | 6/1910 | BIRM | 1/11/2009 |
| + | Pyrola media | GB, VC96 East Inverness-shire, Aviemore | R E Longton | | 4/7/1959 | BIRM | 1/11/2009 |
| + | Prunus avium | GB, VC6 North Somerset, Abbots Leigh | Harold Stuart Thompson | Harold Stuart Thompson | 4/1915 | BIRM | 26/10/2009 |
| + | Prunella vulgaris | GB, VC41 Glamorganshire, Merthyr Mawr | Harold Stuart Thompson | Harold Stuart Thompson | 29/8/1920 | BIRM | 1/11/2009 |
| + | Prunella vulgaris | GB, VC34 West Gloucestershire, Blaise Castle | Harold Stuart Thompson | Harold Stuart Thompson | 9/10/1920 | BIRM | 1/11/2009 |
| + | Prunella vulgaris | GB, VC6 North Somerset, Pill | Harold Stuart Thompson | Harold Stuart Thompson | 7/1916 | BIRM | 1/11/2009 |
| + | Prunella vulgaris | GB, VC6 North Somerset, Ashcott | Harold Stuart Thompson | Harold Stuart Thompson | 20/7/1929 | BIRM | 1/11/2009 |
| + | Prunella laciniata | GB, VC6 North Somerset, Cheddar | Harold Stuart Thompson | Watson Botanical Exchange Club
Harold Stuart Thompson | 28/7/1917 | BIRM | 25/10/2009 |
| + | Prunella laciniata | GB, VC6 North Somerset, Cheddar | Julia Alice Maltby | Harold Stuart Thompson | 7/1917 | BIRM | 25/10/2009 |
| + | Primula farinosa | GB, VC64 Mid-west Yorkshire, Malham, Malham Moor | | George Stephen West | | BIRM | 25/10/2009 |
| + | Primula farinosa | GB, VC62 North-east Yorkshire, Boltby | William Hillhouse | William Hillhouse | 7/1875 | BIRM | 12/12/2009 |
| + | Potentilla reptans | GB, VC35 Monmouthshire, Pandy | Augustin Ley
William Henry Purchas | Augustin Ley | 8/1892 | BIRM | 1/11/2009 |
| + | Potentilla reptans | GB, VC36 Herefordshire, King's Caple | Augustin Ley | Augustin Ley | 21/7/1898 | BIRM | 14/11/2009 |
| + | Potentilla erecta | GB, VC34 West Gloucestershire, Mitcheldean | Augustin Ley | Augustin Ley | 5/9/1894 | BIRM | 14/11/2009 |
| + | Potentilla crantzii | GB, VC49 Caernarvonshire, Betws y Coed | | Robert Large Baker | 7/7/1874 | BIRM | 31/10/2009 |
| + | Potentilla argentea | GB, VC55 Leicestershire, Croft | Augustin Ley | Augustin Ley | 30/9/1875 | BIRM | 6/11/2009 |
| + | Potentilla argentea | GB, VC36 Herefordshire, Ballingham | Augustin Ley | | 19/6/1873 | BIRM | 6/11/2009 |
| + | Potentilla anglica | GB, VC42 Breconshire, Talyllyn | Augustin Ley | Augustin Ley | 31/7/1906 | BIRM | 4/11/2009 |
| + | Potamogeton praelongus | GB, VC90 Angus, Rescobie | Edward Shearburn Marshall | Harold Stuart Thompson | 16/7/1892 | BIRM | 26/10/2009 |
| + | Potamogeton praelongus | GB, VC22,VC23, Oxford | George Claridge Druce | George Stephen West | 6/1880 | BIRM | 11/11/2009 |
| + | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC6 North Somerset, Keynsham | Harold Stuart Thompson | Harold Stuart Thompson | 18/8/1933 | BIRM | 31/10/2009 |
| + | Potamogeton lucens | GB, VC52 Anglesey, Llyn Dinam | John Edwards Griffith | Botanical Exchange Club of The British Isles
Augustin Ley | 8/1893 | BIRM | 26/11/2009 |
| + | Potamogeton compressus | GB, VC38 Warwickshire, Arbury Park | Thomas Kirk | George Stephen West
Thomas Kirk | 6/1849 | BIRM | 2/11/2009 |
| + | Polygonatum odoratum | GB, VC33 East Gloucestershire, Stanway | Douglas Montague Heath | Douglas Montague Heath | 26/6/1906 | BIRM | 18/10/2009 |
| + | Polygonatum odoratum | GB, VC64 Mid-west Yorkshire, Giggleswick Scar | Douglas Montague Heath | Douglas Montague Heath | 19/7/1930 | BIRM | 18/10/2009 |
| + | Polygonatum multiflorum | GB, VC12 North Hampshire, Ashmansworth | William Charles Barton | Watson Botanical Exchange Club
Harold Stuart Thompson
William Charles Barton | 25/4/1916 | BIRM | 15/10/2009 |
| + | Polygonatum multiflorum | GB, VC6 North Somerset, Charterhouse | Harold Stuart Thompson | Harold Stuart Thompson | 24/6/1915 | BIRM | 15/10/2009 |
| + | Polygonatum multiflorum | GB, VC36 Herefordshire, Gorsty Hill Copse | Augustin Ley | Augustin Ley | 17/10/1882 | BIRM | 2/11/2009 |
| + | Polygala vulgaris | GB, VC64 Mid-west Yorkshire, Grassington | William West | George Stephen West | 22/6/1887 | BIRM | 15/10/2009 |
| + | Polygala vulgaris subsp. collina | GB, VC58 Cheshire, Wallasey | John Harbord Lewis | Charles Bailey | 7/1879 | BIRM | 19/10/2009 |
| + | Polygala vulgaris | GB, VC64 Mid-west Yorkshire, Austwick | William West | George Stephen West
William West | 7/1907 | BIRM | 23/10/2009 |
| + | Polygala vulgaris | GB, VC6 North Somerset, Bath | Harold Stuart Thompson | Harold Stuart Thompson | 1/6/1921 | BIRM | 13/11/2009 |
| + | Polygala vulgaris subsp. collina | GB, VC28 West Norfolk, Cockley Cley | Douglas Montague Heath | Douglas Montague Heath | 22/5/1916 | BIRM | 14/11/2009 |
| + | Polygala serpyllifolia | GB, VC64 Mid-west Yorkshire, Allerton | William West | George Stephen West
William West | 1876 | BIRM | 7/11/2009 |
| + | Polygala serpyllifolia | GB, VC64 Mid-west Yorkshire, Hob Moor | G Webster | George Stephen West | 7/1877 | BIRM | 7/11/2009 |
| + | Polygala serpyllifolia | GB, VC92 South Aberdeenshire, Ben Macdui | William West | George Stephen West
William West | 17/8/1880 | BIRM | 7/11/2009 |
| + | Polygala serpyllifolia | GB, VC62 North-east Yorkshire, Scarborough | George Edward Massee | George Stephen West
William West | 1881 | BIRM | 7/11/2009 |
| + | Polycarpon tetraphyllum | GB, VC113 Channel Islands, L'Ancresse Common | Langley Kitching | | 4/7/1898 | BIRM | 20/10/2009 |
| + | Platanthera chlorantha | GB, VC28 West Norfolk, Stibbard | Douglas Montague Heath | Douglas Montague Heath | 4/6/1915 | BIRM | 26/10/2009 |
| + | Platanthera chlorantha | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Augustin Ley | 1/6/1871 | BIRM | 2/11/2009 |
| + | Plantago maritima | GB, VC49 Caernarvonshire, Little Ormes Head | William Henry Wilkinson | William Henry Wilkinson | 1/9/1884 | BIRM | 20/11/2009 |
| + | Plantago major | GB, VC12 North Hampshire, Petersfield | William West | George Stephen West
William West | 21/6/1896 | BIRM | 30/10/2009 |
| + | Plantago coronopus | GB, VC28 West Norfolk, Swaffham | Douglas Montague Heath | Douglas Montague Heath | 16/6/1913 | BIRM | 11/11/2009 |
| + | Plantago coronopus | GB, VC113 Channel Islands, Jersey,Vingtaine de Noirmont | Augustin Ley | Augustin Ley | 26/6/1883 | BIRM | 18/11/2009 |
| + | Pinguicula grandiflora | IE, VCH2 North Kerry, Killarney,Upper Lake | Augustin Ley | Augustin Ley | 25/8/1887 | BIRM | 5/11/2009 |
| + | Phalaris paradoxa | GB, VC34 West Gloucestershire, Shirehampton | Cecil Ivry Sandwith | Harold Stuart Thompson | 1/7/1918 | BIRM | 9/11/2009 |
| + | Peucedanum ostruthium | GB, VC59 South Lancashire, Bolton | Charles Bailey | Botanical Exchange Club of The British Isles
Charles Bailey | 6/5/1882 | BIRM | 6/11/2009 |
| + | Peucedanum ostruthium | GB, VC85 Fifeshire, North Balmule | John Thomas Irvine Boswell-Syme | George Stephen West | 7/1872 | BIRM | 6/11/2009 |
| + | Petroselinum segetum | GB, North Wales | | George Stephen West | 8/1879 | BIRM | 19/10/2009 |
| + | Petroselinum crispum | GB, VC28 West Norfolk, South Pickenham Cultivated | Douglas Montague Heath | Douglas Montague Heath | 22/6/1916 | BIRM | 26/10/2009 |
| + | Persicaria vivipara | GB, VC89 East Perthshire, Glen Tilt | Augustin Ley | Augustin Ley | 19/7/1870 | BIRM | 16/10/2009 |
| + | Persicaria hydropiper | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 22/9/1883 | BIRM | 1/2/2010 |
| + | Persicaria bistorta | GB, VC64 Mid-west Yorkshire, Leeds, Weetwood | William West | George Stephen West
William West | 10/6/1889 | BIRM | 23/11/2009 |
| + | Parietaria judaica | GB, VC30 Bedfordshire, Bromham | Mary Ann Brooks | | | BIRM | 25/11/2009 |
| + | Parapholis strigosa | GB, VC59 South Lancashire, Liverpool | John Harbord Lewis | Augustin Ley
John Harbord Lewis | 6/7/1873 | BIRM | 26/11/2009 |
| + | Papaver somniferum subsp. setigerum | GB, VC9 Dorset, White Nothe | Elizabeth Anne Lomax | Watson Botanical Exchange Club
Augustin Ley | 30/6/1884 | BIRM | 26/10/2009 |
| + | Papaver somniferum subsp. setigerum | GB, VC17 Surrey, Mickleham | Eyre Champion de Crespigny | Botanical Exchange Club of The British Isles
Augustin Ley | 7/1879
1881 | BIRM | 7/11/2009 |
| + | Papaver rhoeas | GB, VC34 West Gloucestershire, Minchinhampton | Charles Bailey | Charles Bailey | 23/9/1907 | BIRM | 14/10/2009 |
| + | Papaver rhoeas | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 3/8/1872 | BIRM | 1/11/2009 |
| + | Orobanche minor | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 2/1869 | BIRM | 29/10/2009 |
| + | Ornithogalum umbellatum | GB, VC36 Herefordshire, Saint Weonards | Augustin Ley | Augustin Ley | 22/5/1884 | BIRM | 26/10/2009 |
| + | Ornithogalum pyrenaicum | GB, VC22 Berkshire, Ashridge Wood | George Claridge Druce | Augustin Ley
George Claridge Druce | 7/1891 | BIRM | 3/11/2009 |
| + | Ornithogalum pyrenaicum | GB, VC6 North Somerset, Queen Charlton | Douglas Montague Heath | Douglas Montague Heath | 2/7/1927 | BIRM | 14/11/2009 |
| + | Ornithogalum pyrenaicum | GB, VC7 North Wiltshire, Bradford-on-Avon | Jenner | Douglas Montague Heath | 10/6/1928 | BIRM | 14/11/2009 |
| + | Ornithogalum pyrenaicum | GB, VC6 North Somerset, Bath | Douglas Montague Heath | Douglas Montague Heath | 31/3/1927 | BIRM | 14/11/2009 |
| + | Origanum vulgare | GB, VC64 Mid-west Yorkshire, Grassington | | George Stephen West | | BIRM | 16/10/2009 |
| + | Origanum vulgare | GB, VC64 Mid-west Yorkshire, Ripon | William West | George Stephen West
William West | 7/1906 | BIRM | 26/10/2009 |
| + | Orchis morio | GB, VC37 Worcestershire, Lickey | Robert Coane Roberts Jordan | George Stephen West
Robert Coane Roberts Jordan | 8/6/1853 | BIRM | 31/10/2009 |
| + | Orchis morio | GB, VC21 Middlesex, Harefield | George Stephen West | George Stephen West | 13/5/1895 | BIRM | 31/10/2009 |
| + | Orchis mascula | GB, VC34 West Gloucestershire, Bicknor Woods | Augustin Ley | Augustin Ley | 30/5/1876 | BIRM | 6/11/2009 |
| + | Ophrys sphegodes | GB, VC15 East Kent, Abbots Cliff | A Bennett
J Bennett | Harold Stuart Thompson | 25/5/1901 | BIRM | 11/11/2009 |
| + | Ophrys sphegodes | GB, VC15 East Kent, Saint Margaret's at Cliffe | A Bennett
J Bennett | Harold Stuart Thompson | 27/6/1901 | BIRM | 11/11/2009 |
