| + | Stellaria palustris | SE, Dagsberg | A Winen | William Hadden Beeby | 6/1877 | SLBI | 7/9/2011 |
| + | Stellaria palustris | SE, Gotlands l, Berggvara | C O U Montelin | William Hadden Beeby | 1/7/1880 | SLBI | 7/9/2011 |
| + | Silene uniflora | NO, S, vorings fos | William Hillhouse | William Hillhouse | 22/7/1890 | BIRM | 12/7/2010 |
| + | Spergularia marina | NO, Akershus, Oslo Cultivated | Augustin Ley | Augustin Ley | 1/8/1873 | BIRM | 16/6/2010 |
| + | Artemisia campestris | NO, Akershus, Oslo | Augustin Ley | Augustin Ley | 8/8/1861 | BIRM | 31/8/2010 |
| + | Listera ovata | NO, S, Hitteren | Robert Collett | Allan Octavian Hume
Frederick Townsend | 17/6/1870 | SLBI | 9/12/2011 |
| + | Saussurea alpina | NO, Dovre Fjeld / Dovrevold | Augustin Ley | Augustin Ley | 7/1861 | BIRM | 16/6/2010 |
| + | Gentianella amarella | NO, Oppland, Dombas | William West | George Stephen West
William West | 8/1909 | BIRM | 11/4/2010 |
| + | Gymnocarpium dryopteris | NO | Dorothy Ellis de Vesian | Dorothy Ellis de Vesian | | GLR | 22/9/2010 |
| + | Stellaria nemorum | IT, Lazio, Monte Maggiore | Joseph Woods | Allan Octavian Hume
Frederick Townsend | | SLBI | 8/9/2011 |
| + | Papaver rhoeas | IT, Liguria, Bordighera | | Allan Octavian Hume
Frederick Townsend | 5/1869 | SLBI | 16/2/2011 |
| + | Silene uniflora | IS, Eskifjvrd | G Thorgoodson | William Hadden Beeby | 1884 | SLBI | 4/8/2011 |
| + | Viola lutea | IE, VCH40 Co. Londonderry, Magilligan point | Coslett Herbert Waddell | Allan Octavian Hume
Coslett Herbert Waddell | 5/1904 | SLBI | 31/5/2011 |
| + | Veronica peregrina | IE, VCH40 Co. Londonderry, Londonderry | Mary Isabella Leebody | Robert Lloyd Praeger | 7/1896 | DBC | 5/5/2011 |
| + | Carum verticillatum | IE, VCH40 Co. Londonderry, coleraine | Robert Lloyd Praeger | Robert Lloyd Praeger | 23/7/1894 | DBC | 10/5/2011 |
| + | Holcus lanatus | IE, VCH39 Co. Antrim, Whitehead | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/7/1902 | DBC | 9/5/2011 |
| + | Geranium pratense | IE, VCH39 Co. Antrim, White Park Bay | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1899 | DBC | 4/5/2011 |
| + | Sagina maritima | IE, VCH39 Co. Antrim, White Head | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/7/1902 | DBC | 22/4/2011 |
| + | Callitriche hermaphroditica | IE, VCH39 Co. Antrim, Toome | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 9/5/2011 |
| + | Carex riparia | IE, VCH39 Co. Antrim, Portmore Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 5/4/2011 |
| + | Myriophyllum spicatum | IE, VCH39 Co. Antrim, Portmore Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 6/4/2011 |
| + | Carex acuta | IE, VCH39 Co. Antrim, Portmore Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 1/5/2011 |
| + | Callitriche autumnalis | IE, VCH39 Co. Antrim, Lough Neagh | Coslett Herbert Waddell | Watson Botanical Exchange Club
Augustin Ley
Coslett Herbert Waddell | 13/8/1909 | BIRM | 25/4/2010 |
| + | Apium inundatum | IE, VCH39 Co. Antrim, Lough Neagh | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1886 | DBC | 30/3/2011 |
| + | Elatine hydropiper | IE, VCH39 Co. Antrim, Lough Beg | W J Sayers | Isaac A Helsby | | SLBI | 26/9/2011 |
| + | Fumaria densiflora | IE, VCH39 Co. Antrim, Larne | William Robert Sherrin | | 8/1928 | SLBI | 5/7/2011 |
| + | Salix viminalis x caprea = S. x smithiana | IE, VCH39 Co. Antrim, Kilroot | Samuel Alexander Stewart | George Stephen West | 5/1868 | BIRM | 3/8/2010 |
| + | Dryopteris aemula | IE, VCH39 Co. Antrim, Glenshesk | Robert Lloyd Praeger | Robert Lloyd Praeger | 5/7/1897 | DBC | 21/4/2011 |
| + | Leontodon saxatilis | IE, VCH39 Co. Antrim, Divis | | William Marsden Hind | 1/9/1862 | BIRM | 15/6/2010 |
| + | Stachys palustris | IE, VCH39 Co. Antrim, Cullybackey | Matilda Cullen Knowles | Robert Lloyd Praeger | 7/1893 | DBC | 4/5/2011 |
| + | Neottia nidus-avis | IE, VCH39 Co. Antrim, Colin Glen | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1886 | DBC | 3/5/2011 |
| + | Equisetum pratense | IE, VCH39 Co. Antrim, Colin Glen | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1886 | DBC | 5/5/2011 |
| + | Senecio jacobaea | IE, VCH39 Co. Antrim, Belfast | James Walter White | Watson Botanical Exchange Club
Harold Stuart Thompson
James Walter White | 27/7/1926 | BIRM | 25/6/2010 |
| + | Fumaria purpurea | IE, VCH39 Co. Antrim, Belfast | James Walter White | Watson Botanical Exchange Club | 24/8/1924 | SLBI | 8/7/2011 |
| + | Trifolium repens | IE, VCH38 Co. Down, Wolf Island Bog | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 10/5/2011 |
| + | Potentilla anserina | IE, VCH38 Co. Down, Tyrella | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 7/4/2011 |
| + | Viola canina | IE, VCH38 Co. Down, Tyrella | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 19/4/2011 |
| + | Hypericum elodes | IE, VCH38 Co. Down, Tyrella | Robert Lloyd Praeger | Robert Lloyd Praeger | 16/7/1902 | DBC | 6/5/2011 |
| + | Dactylorhiza incarnata | IE, VCH38 Co. Down, Tillysburn | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 4/5/2011 |
| + | Dactylorhiza maculata | IE, VCH38 Co. Down, Tillysburn | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 10/5/2011 |
| + | Linaria repens | IE, VCH38 Co. Down, Spelgo Mountain | Frederick Janson Hanbury | Augustin Ley | 7/1891 | BIRM | 13/4/2010 |
| + | Diphasiastrum alpinum | IE, VCH38 Co. Down, Slieve Donard | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1885 | DBC | 19/4/2011 |
| + | Selaginella selaginoides | IE, VCH38 Co. Down, Slieve Commedagh | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1889 | DBC | 20/4/2011 |
| + | Potamogeton obtusifolius | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Coslett Herbert Waddell
Harold Stuart Thompson | 9/1896 | BIRM | 15/4/2010 |
| + | Salix daphnoides | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Botanical Exchange Club of The British Isles
Augustin Ley
Coslett Herbert Waddell | 4/1909 to 8/1909 | BIRM | 3/8/2010 |
| + | Trifolium arvense | IE, VCH38 Co. Down, Rathmullan | Robert Lloyd Praeger | Robert Lloyd Praeger | 16/7/1902 | DBC | 18/3/2011 |
| + | Verbascum thapsus | IE, VCH38 Co. Down, Rathmullan | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 19/4/2011 |
| + | Linaria vulgaris | IE, VCH38 Co. Down, Rathmullan | Robert Lloyd Praeger | Robert Lloyd Praeger | 16/7/1902 | DBC | 6/5/2011 |
| + | Euphorbia portlandica | IE, VCH38 Co. Down, Rathmullan | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 6/5/2011 |
| + | Sparganium emersum | IE, VCH38 Co. Down, Portaferry | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 5/5/2011 |
| + | Spergularia rupicola | IE, VCH38 Co. Down, Portaferry | Coslett Herbert Waddell | Alfred Loydell
William Robert Sherrin | 9/1905 | SLBI | 14/9/2011 |
| + | Camelina sativa | IE, VCH38 Co. Down, Newtownards | William Richardson Linton | Augustin Ley | 7/1871 | BIRM | 25/5/2010 |
| + | Camelina alyssum | IE, VCH38 Co. Down, Newtownards | Edward Francis Linton | Augustin Ley | 7/1871 | BIRM | 25/5/2010 |
| + | Malva neglecta | IE, VCH38 Co. Down, Murphystown | Robert Lloyd Praeger | Robert Lloyd Praeger | 15/7/1902 | DBC | 19/4/2011 |
| + | Phegopteris connectilis | IE, VCH38 Co. Down, Mourne Mountains | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1889 | DBC | 9/5/2011 |
| + | Typha angustifolia | IE, VCH38 Co. Down, Lough Cowey | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 5/5/2011 |
| + | Atriplex patula | IE, VCH38 Co. Down, Killough | Coslett Herbert Waddell | Watson Botanical Exchange Club
Coslett Herbert Waddell
Harold Stuart Thompson | 8/1897 | BIRM | 21/7/2010 |
| + | Asplenium adiantum-nigrum | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 14/7/1902 | DBC | 14/3/2011 |
| + | Trifolium agrarium | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 5/4/2011 |
| + | Blysmus rufus | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 16/7/1902 | DBC | 6/4/2011 |
| + | Trifolium agrarium | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 16/7/1902 | DBC | 20/4/2011 |
| + | Valerianella olitoria | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 14/7/1902 | DBC | 21/4/2011 |
| + | Veronica anagallis-aquatica | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 14/7/1902 | DBC | 26/4/2011 |
| + | Utricularia vulgaris | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 15/7/1902 | DBC | 3/5/2011 |
| + | Plantago maritima | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 3/5/2011 |
| + | Carex caryophyllea | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 4/5/2011 |
| + | Ononis repens | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 5/5/2011 |
| + | Puccinellia distans | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 5/5/2011 |
| + | Torilis nodosa | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 6/5/2011 |
| + | Cerastium diffusum | IE, VCH38 Co. Down, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 10/5/2011 |
| + | Callitriche brutia | IE, VCH38 Co. Down, Holywood | William Mateer | Donor Unknown
William Mateer | 7/1847 | BIRM | 25/5/2010 |
| + | Carex vulpina | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 5/7/1902 | DBC | 18/3/2011 |
| + | Festuca ovina | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 1/4/2011 |
| + | Epilobium obscurum | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1895 | DBC | 7/4/2011 |
| + | Lychnis flos-cuculi | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 20/4/2011 |
| + | Myosotis laxa | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 21/4/2011 |
| + | Petasites fragrans | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 4/1889 | DBC | 21/4/2011 |
| + | Alopecurus geniculatus | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 26/4/2011 |
| + | Carex ovalis | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 26/4/2011 |
| + | Vicia sepium | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 5/7/1902 | DBC | 4/5/2011 |
| + | Senecio sylvaticus | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 4/5/2011 |
| + | Crepis capillaris | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 4/5/2011 |
| + | Bromus mollis | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC | 9/5/2011 |
| + | Catabrosa aquatica | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/7/1902 | DBC | 10/5/2011 |
| + | Oenanthe lachenalii | IE, VCH38 Co. Down, Guns Island | Robert Lloyd Praeger | Robert Lloyd Praeger | 13/7/1902 | DBC | 3/5/2011 |
| + | Atriplex laciniata | IE, VCH38 Co. Down, Groomport | Samuel Alexander Stewart | Augustin Ley | 10/9/1870 | BIRM | 31/8/2010 |
| + | Lemna gibba | IE, VCH38 Co. Down, Downpatrick | Coslett Herbert Waddell | Watson Botanical Exchange Club
Coslett Herbert Waddell
Harold Stuart Thompson | 8/1896 | BIRM | 9/4/2010 |
| + | Lathyrus linifolius | IE, VCH38 Co. Down, Crawfordsburn | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 26/4/2011 |
| + | Vulpia bromoides | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 21/4/2011 |
| + | Habenaria bifolia | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 26/4/2011 |
| + | Galium saxatile | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 28/4/2011 |
| + | Cytisus scoparius | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 28/4/2011 |
| + | Carex rostrata | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 9/5/2011 |
| + | Luzula multiflora var. congesta | IE, VCH38 Co. Down, Cotton Moss | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/7/1902 | DBC | 10/5/2011 |
| + | Scandix pecten-veneris | IE, VCH38 Co. Down, Coney Island, Killough | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 6/4/2011 |
| + | Erodium moschatum | IE, VCH38 Co. Down, Coney Island | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 6/5/2011 |
| + | Spergularia rupicola | IE, VCH38,VCH39, Belfast | Samuel Alexander Stewart | George Stephen West | 8/1869 | BIRM | 21/6/2010 |
| + | Cakile maritima | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 5/4/2011 |
| + | Epilobium palustre | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 7/4/2011 |
| + | Viola tricolor | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 20/4/2011 |
| + | Salsola kali | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 29/4/2011 |
| + | Salicornia europaea | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 1/5/2011 |
| + | Gnaphalium uliginosum | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 3/5/2011 |
| + | Atriplex laciniata | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 4/5/2011 |
| + | Triglochin maritima | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 6/5/2011 |
| + | Lythrum salicaria | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 6/5/2011 |
| + | Galeopsis tetrahit | IE, VCH38 Co. Down, Ballywalter | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 9/5/2011 |
| + | Gnaphalium sylvaticum | IE, VCH38 Co. Down, Ballykinler | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1902 | DBC | 28/4/2011 |
| + | Ligusticum scoticum | IE, VCH38 Co. Down, Ballyhalbert Bay | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1903 | DBC | 4/5/2011 |
| + | Radiola linoides | IE, VCH38 Co. Down, Ballygowan | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/1896 | DBC | 15/3/2011 |
| + | Anagallis minima | IE, VCH38 Co. Down, Ballygowan | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1886 | DBC | 5/5/2011 |
| + | Stachys arvensis | IE, VCH38 Co. Down, Ardglass | Robert Lloyd Praeger | Robert Lloyd Praeger | 18/7/1902 | DBC | 6/4/2011 |
| + | Viola canina | IE, VCH38 Co. Down, Ardglass | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1902 | DBC | 19/4/2011 |
| + | Stellaria palustris | IE, VCH38 Co. Down, Ardglass | Robert Lloyd Praeger | Robert Lloyd Praeger | 14/7/1902 | DBC | 6/5/2011 |
| + | Eleocharis quinqueflora | IE, VCH38 Co. Down, Ardglass | Robert Lloyd Praeger | Robert Lloyd Praeger | 14/7/1902 | DBC | 10/5/2011 |
| + | Rubus aghadergensis | IE, VCH38 Co. Down, Aghaderg Glebe | Henry William Lett | Allan Octavian Hume
Henry William Lett | 20/7/1897 | SLBI | 3/2/2012 |
| + | Rubus lindleianus | IE, VCH37 Co. Armagh, Tanderagee | Henry William Lett | Henry William Lett | 22/7/1895 | SLBI | 2/2/2012 |
| + | Ranunculus peltatus | IE, VCH36 Tyrone, Omagh | | William Nichols Tetley | 7/1901 | SLBI | 24/2/2011 |
| + | Narthecium ossifragum | IE, VCH36 Tyrone, Omagh | Matilda Cullen Knowles | | 7/1896 | DBC | 6/5/2011 |
| + | Drosera rotundifolia | IE, VCH36 Tyrone, Omagh | | | 7/1896 | DBC | 6/5/2011 |
| + | Rhynchospora alba var. sordida | IE, VCH36,VCH37, Church Hill | W F Johnson | Science & Art Museum Dublin | 9/1894 | DBC | 4/5/2011 |
| + | Rubus amplificatus | IE, VCH34,VCH40, Magilligan Point | Charles Bailey | Botanical Exchange Club of The British Isles
Allan Octavian Hume
Charles Bailey | 15/7/1896 | SLBI | 25/1/2012 |
| + | Ranunculus aquatilis | IE, VCH33 Fermanagh, Devenish | | William Nichols Tetley | 21/5/1901 | SLBI | 1/3/2011 |
| + | Medicago lupulina | IE, VCH33 Fermanagh, Castle Hume | | William Nichols Tetley | 14/6/1900 | SLBI | 1/11/2011 |
| + | Osmunda regalis | IE, VCH33 Fermanagh, Carrol Glen | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1903 | DBC | 27/4/2011 |
| + | Pinguicula lusitanica | IE, VCH33 Fermanagh, Carrick Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1903 | DBC | 5/5/2011 |
| + | Listera cordata | IE, VCH33 Fermanagh, Ben Aghlin | | William Nichols Tetley | 23/7/1902 | SLBI | 5/12/2011 |
| + | Potamogeton polygonifolius | IE, VCH32 Co. Monaghan, Creeve Lakes | Robert Lloyd Praeger | Robert Lloyd Praeger | 18/7/1900 | DBC | 10/5/2011 |
| + | Viola lactea | IE, VCH31 Co. Louth, Three Castle Head | Job Edward Lousley | Job Edward Lousley | 6/1937 | SLBI | 3/6/2011 |
| + | Vulpia myuros | IE, VCH31 Co. Louth, Termonfeckin | Robert Lloyd Praeger | Robert Lloyd Praeger | 3/7/1902 | DBC | 10/5/2011 |
| + | Silene noctiflora | IE, VCH31 Co. Louth, Greenore | Robert Lloyd Praeger | Robert Lloyd Praeger | 17/7/1902 | DBC | 26/4/2011 |
| + | Anthoxanthum odoratum | IE, VCH31 Co. Louth, Clogher Head | Robert Lloyd Praeger | Robert Lloyd Praeger | 3/7/1902 | DBC | 27/4/2011 |
| + | Rhynchospora alba | IE, VCH30 Co. Cavan, Mullagh | Robert Lloyd Praeger | Robert Lloyd Praeger | 24/8/1903 | DBC | 28/4/2011 |
| + | Ranunculus aquatilis | IE, VCH30,VCH33, Belcoo | | William Nichols Tetley | | SLBI | 14/3/2011 |
| + | Rhynchospora fusca | IE, VCH29 Co. Leitrim, Rinn Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 19/7/1899 | DBC | 5/4/2011 |
| + | Trollius europaeus | IE, VCH29,VCH33, Lough Melvin | | William Nichols Tetley | 6/1902 | SLBI | 17/3/2011 |
| + | Cirsium dissectum | IE, VCH28 Co. Sligo, Mullaghmore | Robert Lloyd Praeger | Robert Lloyd Praeger | 1/7/1903 | DBC | 19/4/2011 |
| + | Silene acaulis | IE, VCH28 Co. Sligo, Lugnagall | Nathaniel Cohen | Allan Octavian Hume
Nathaniel Cohen | 13/7/1896 | SLBI | 5/8/2011 |
| + | Viburnum opulus | IE, VCH28 Co. Sligo, Lough Gill | Robert Lloyd Praeger | Robert Lloyd Praeger | 29/6/1903 | DBC | 5/4/2011 |
| + | Melampyrum pratense | IE, VCH28 Co. Sligo, Lough Gill | Robert Lloyd Praeger | Robert Lloyd Praeger | 29/6/1903 | DBC | 28/4/2011 |
| + | Populus tremula | IE, VCH28 Co. Sligo, Lough Gill | Robert Lloyd Praeger | Robert Lloyd Praeger | 29/6/1903 | DBC | 5/5/2011 |
| + | Melica uniflora | IE, VCH28 Co. Sligo, Lough Gill | Robert Lloyd Praeger | Robert Lloyd Praeger | 29/6/1903 | DBC | 6/5/2011 |
| + | Sanicula europaea | IE, VCH28 Co. Sligo, Lough Gill | Robert Lloyd Praeger | Robert Lloyd Praeger | 29/6/1903 | DBC | 10/5/2011 |
| + | Arenaria ciliata | IE, VCH28 Co. Sligo, Kings Mountain | Samuel Alexander Stewart | Botanical Exchange Club of The British Isles
Augustin Ley | 18/7/1879 | BIRM | 23/4/2010 |
| + | Hypericum humifusum | IE, VCH28 Co. Sligo, Kesh | Robert Lloyd Praeger | Robert Lloyd Praeger | 28/6/1903 | DBC | 17/3/2011 |
| + | Elymus caninus | IE, VCH28 Co. Sligo, Keishcorran | Robert Lloyd Praeger | Robert Lloyd Praeger | 8/1903 | DBC | 4/5/2011 |
| + | Arenaria ciliata | IE, VCH28 Co. Sligo, Glencar | Robert Lloyd Praeger | Robert Lloyd Praeger | 30/6/1903 | DBC | 6/5/2011 |
| + | Sedum rosea | IE, VCH28 Co. Sligo, Glencar | Robert Lloyd Praeger | Robert Lloyd Praeger | 30/6/1903 | DBC | 6/5/2011 |
| + | Cicuta virosa | IE, VCH28 Co. Sligo, Feenagh Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 28/6/1903 | DBC | 1/4/2011 |
| + | Arenaria ciliata | IE, VCH28 Co. Sligo, Benbulbin Range | Frederick Janson Hanbury | Botanical Exchange Club of The British Isles
Frederick Janson Hanbury | 12/7/1891 | BIRM | 23/4/2010 |
| + | Arenaria ciliata | IE, VCH28 Co. Sligo, Benbulbin Range | Frederick Janson Hanbury | Botanical Exchange Club of The British Isles
Frederick Janson Hanbury | 13/7/1891 | BIRM | 23/4/2010 |
| + | Polygala vulgaris | IE, VCH28 Co. Sligo, Benbulben | Samuel Alexander Stewart | Reginald Wiliam Scully | 3/8/1883 | SLBI | 19/5/2011 |
| + | 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 |
| + | Thalictrum alpinum | IE, VCH27 West Mayo, Sheffry Mountain | Nathaniel Colgan | Allan Octavian Hume | 7/1899 | SLBI | 23/2/2011 |
| + | Caltha palustris var. radicans | IE, VCH27 West Mayo, Pontoon | Job Edward Lousley | Job Edward Lousley | 15/6/1937 | SLBI | 4/2/2011 |
| + | Erica erigena | IE, VCH27 West Mayo, Newport | | Augustin Ley | 16/9/1887 | BIRM | 17/4/2010 |
| + | Erica erigena | IE, VCH27 West Mayo, Mulrany | | Augustin Ley
John (Joannis) Fraser | 29/4/1876 | BIRM | 17/4/2010 |
| + | Listera cordata | IE, VCH27 West Mayo, Mallaranny | Edward Shearburn Marshall | Watson Botanical Exchange Club
Harold Stuart Thompson | 27/6/1899 | BIRM | 5/5/2010 |
| + | Chara globularis | IE, VCH27 West Mayo, Clare Island | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC | 9/5/2011 |
| + | Matricaria discoidea | IE, VCH26 East Mayo, Claremorris | Robert Lloyd Praeger | Robert Lloyd Praeger | 3/7/1902 | DBC | 3/5/2011 |
| + | Erica erigena | IE, VCH26,VCH27 | John (Joannis) Fraser | Robert Large Baker | 1876 | BIRM | 10/4/2010 |
| + | Carex vesicaria | IE, VCH24 Co. Longford, Lough Gowna | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/6/1900 | DBC | 10/5/2011 |
| + | Nepeta cataria | IE, VCH24,VCH25, Elfeet Bay | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1900 | DBC | 28/4/2011 |
| + | Cephalanthera longifolia | IE, VCH23 Westmeath, Lough Ree | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 4/5/2011 |
| + | Agrostis canina | IE, VCH23 Westmeath, Lough Drin | William Richardson Linton | Botanical Exchange Club of The British Isles
Augustin Ley
William Richardson Linton | 28/7/1895 | BIRM | 15/4/2010 |
| + | Galium boreale | IE, VCH23 Westmeath, Killinare House | James Ponsonby Brunker | | 12/7/1929 | DBC | 6/5/2011 |
| + | Luzula sylvatica | IE, VCH23,VCH24,VCH30, Finea | | | 16/6/1865 | DBC | 27/4/2011 |
| + | Lathyrus palustris | IE, VCH23 Westmeath, Athlone | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1899 | DBC | 28/4/2011 |
| + | Potamogeton gramineus | IE, VCH22,VCH31, River Boyne | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles
Augustin Ley
Reginald Wiliam Scully | 30/8/1893 | BIRM | 23/4/2010 |
| + | Hypericum hirsutum | IE, VCH22 Meath, Navan | Robert Lloyd Praeger | Robert Lloyd Praeger | 5/7/1896 | DBC | 20/4/2011 |
| + | Acorus calamus | IE, VCH22 Meath, Navan | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1900 | DBC | 5/5/2011 |
| + | Clinopodium vulgare | IE, VCH22,VCH31, Drogheda | Robert Lloyd Praeger | Robert Lloyd Praeger | 7/1895 | DBC | 22/4/2011 |
| + | Lithospermum officinale | IE, VCH22,VCH31, Drogheda | Robert Lloyd Praeger | Robert Lloyd Praeger | 3/7/1902 | DBC | 4/5/2011 |
| + | Potamogeton obtusifolius | IE, VCH22 Meath, Breakey Lough | Robert Lloyd Praeger | Robert Lloyd Praeger | 24/9/1903 | DBC | 28/4/2011 |
| + | Poa palustris | IE, VCH22 Meath, Beau Parc | Robert Lloyd Praeger | Robert Lloyd Praeger | 11/7/1900 | DBC | 10/5/2011 |
| + | Empetrum nigrum | IE, VCH21 Co. Dublin, Two Rock Mountain | Robert Lloyd Praeger | Robert Lloyd Praeger | 31/5/1903 | DBC | 5/5/2011 |
| + | Catapodium rigidum | IE, VCH21 Co. Dublin, Ticknock | George H McLean | | 11/6/1942 | DBC | 28/4/2011 |
| + | Senecio jacobaea | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 17/7/1902 | DBC | 15/3/2011 |
| + | Galium mollugo | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 15/3/2011 |
| + | Geranium molle | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 30/3/2011 |
| + | Leucanthemum vulgare | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 20/4/2011 |
| + | Epipactis helleborine | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 10/8/1902 | DBC | 26/4/2011 |
| + | Centaurea nigra | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC | 26/4/2011 |
| + | Ajuga reptans | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1902 | DBC | 27/4/2011 |
| + | Vicia sativa | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 28/4/2011 |
| + | Briza media | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/7/1902 | DBC | 1/5/2011 |
| + | Veronica chamaedrys | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 24/5/1902 | DBC | 6/5/2011 |
| + | Veronica arvensis | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 6/5/2011 |
| + | Potamogeton pusillus | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC | 6/5/2011 |
| + | Veronica polita | IE, VCH21 Co. Dublin, Terenure | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 9/5/2011 |
| + | Holcus lanatus | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 31/3/2011 |
| + | Papaver rhoeas | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 20/7/1902 | DBC | 5/4/2011 |
| + | Scrophularia nodosa | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 7/4/2011 |
| + | Vicia cracca | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 20/7/1902 | DBC | 19/4/2011 |
| + | Urtica urens | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC | 22/4/2011 |
| + | Senecio vulgaris | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 1/5/2011 |
| + | Trifolium striatum | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/6/1902 | DBC | 3/5/2011 |
| + | Leontodon hispidus | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 20/7/1902 | DBC | 4/5/2011 |
| + | Carlina vulgaris | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 20/7/1902 | DBC | 4/5/2011 |
| + | Senecio erucifolius | IE, VCH21 Co. Dublin, Templeogue | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC | 4/5/2011 |
