| Erica erigena | IE, Ambiguous locality (IE), Mayo | | Fraser Joseph Hesselgrave Thompson William Hunt Painter | 4/1876 | ABS |
| Potentilla reptans | IE, Ambiguous locality (IE), Marley Bog | | | | ABS |
| Cicendia filiformis | IE, Ambiguous locality (IE), Killarney | | | 9/1936 | ABS |
| Littorella uniflora | IE, Ambiguous locality (IE), Killarney | | | 9/1936 | ABS |
| Petasites fragrans | IE, Ambiguous locality (IE), Killarney | U C W Field Course | | 25/3/1972 | ABS |
| Petasites fragrans | IE, Ambiguous locality (IE), Killarney | U. C. W. Field Course | | 25/3/1972 | ABS |
| Ceterach officinarum | IE, Ambiguous locality (IE), galway | Richard Henry Yapp | | 8/1908 | ABS |
| Helianthemum nummularium | IE, Ambiguous locality (IE), Dysert | | | 20/7/1960 | ABS |
| Veronica scutellata | IE, Ambiguous locality (IE), Dublin | Richard Henry Yapp | | 9/1908 | ABS |
| Veronica scutellata | IE, Ambiguous locality (IE), Dublin | Richard Henry Yapp | | 9/1908 | ABS |
| Cystopteris fragilis | IE, Ambiguous locality (IE), Burren | M Hildred Bigwood | | 24/3/1972 | ABS |
| Cornus sericea | IE, Ambiguous locality (IE), Ballyduff | | | 25/3/1972 | ABS |
| Saxifraga hirsuta | IE, Ambiguous locality (IE), Ballybrack | Henry (Harry) Searle | William Hunt Painter | 6/1872 | ABS |
| Helianthemum nummularium | IE, Ambiguous locality (IE), Ballard | | Philip Scarborough King | 4/9/1883 | ABS |
| Agrostis stolonifera | IE, VCH40 Co. Londonderry, Toom Bridge | George Claridge Druce | Charles Edgar Salmon | 1898 | ABS |
| Agrostis stolonifera | IE, VCH40 Co. Londonderry, Toom Bridge | George Claridge Druce | George Claridge Druce | 8/1898 | ABS |
| Potamogeton perfoliatus x crispus = P. x cooperi | IE, VCH39 Co. Antrim, Templepatrick | Samuel Alexander Stewart | | 10/8/1894 | ABS |
| Viola tricolor subsp. curtisii | IE, VCH39 Co. Antrim, Portrush | Charles Bailey | William Hunt Painter | 15/7/1896 | ABS |
| Hieracium basalticola | IE, VCH39 Co. Antrim, Knockagh | Samuel Alexander Stewart | Botanical Exchange Club of The British Isles | | ABS |
| Saxifraga hirculus | IE, VCH39 Co. Antrim, Garron Point | Robert Lloyd Praeger | | 7/1886 | ABS |
| Hieracium latobrigorum | IE, VCH39 Co. Antrim, Cranfield | Samuel Alexander Stewart | | 27/7/1899 | ABS |
| Pilosella peleteriana | IE, VCH39 Co. Antrim, Core Hill, Belfast Cultivated | Coslett Herbert Waddell | Botanical Exchange Club of The British Isles Coslett Herbert Waddell Edward Francis Linton Samuel Alexander Stewart | 8/1900 | ABS |
| Hieracium orcadense | IE, VCH39 Co. Antrim, Cave Hill, Belfast | Samuel Alexander Stewart | | 21/6/1896 | ABS |
| Alchemilla filicaulis | IE, VCH39 Co. Antrim, Cave Hill | Samuel Alexander Stewart | William Hunt Painter | 5/7/1886 | ABS |
| Pilosella lactucella | IE, VCH39 Co. Antrim, Cave Hill | Samuel Alexander Stewart | | 5/7/1902 | ABS |
| Zannichellia palustris | IE, VCH39 Co. Antrim, Belfast | Samuel Alexander Stewart | Botanical Exchange Club of The British Isles Samuel Alexander Stewart | 12/8/1878 | ABS |
| Lamium confertum | IE, VCH39 Co. Antrim, Ballycastle | Robert Lloyd Praeger | Robert Lloyd Praeger | 19/7/1891 | ABS |
| Hieracium flocculosum | IE, VCH38 Co. Down, Tollymore Park | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1891 | ABS |
| Hieracium flocculosum | IE, VCH38 Co. Down, Tollymore Park | Robert Lloyd Praeger | Robert Lloyd Praeger | 12/7/1891 | ABS |
| Solidago virgaurea var. angustifolia | IE, VCH38 Co. Down, Tollymore Park | Coslett Herbert Waddell | Coslett Herbert Waddell William Hunt Painter | 9/1895 | ABS |
| Rosa spinosissima x canina = R. x hibernica | IE, VCH38 Co. Down, Tillysburn | Robert Lloyd Praeger | Robert Lloyd Praeger | 25/7/1891 | ABS |
| Puccinellia maritima | IE, VCH38 Co. Down, Strangford Lough | Coslett Herbert Waddell | Botanical Exchange Club of The British Isles Coslett Herbert Waddell William Hunt Painter | 7/1904 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | IE, VCH38 Co. Down, Saul Cultivated | Coslett Herbert Waddell | Coslett Herbert Waddell William Hunt Painter | 9/1894 | ABS |
| Rubus hibernicus | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | | 6/1898 to 8/1898 | ABS |
| Rubus leyanus | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Coslett Herbert Waddell | 21/8/1894 | ABS |
| Rubus mucronulatus | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Watson Botanical Exchange Club Charles Edgar Salmon Coslett Herbert Waddell | 9/8/1894 | ABS |
| Rubus procerus | IE, VCH38 Co. Down, Saintfield | Coslett Herbert Waddell | Watson Botanical Exchange Club Charles Edgar Salmon Coslett Herbert Waddell | 31/8/1897 | ABS |
| Bromus racemosus | IE, VCH38 Co. Down, Rathfriland | Coslett Herbert Waddell | Watson Botanical Exchange Club Charles Edgar Salmon | 14/7/1900 | ABS |
| Asplenium adiantum-nigrum | IE, VCH38 Co. Down, Newtownards | Robert Lloyd Praeger | Robert Lloyd Praeger William Hunt Painter | 11/12/1892 | ABS |
| Mertensia maritima | IE, VCH38 Co. Down, Newcastle | | Henry Haselfoot Haines | 16/8/1935 | ABS |