| Inula salicina | IE, Ambiguous locality (IE), Shannon | C W Davidson | Charles Bailey | 7/1878 | MANCH |
| Inula salicina | IE, Ambiguous locality (IE), Shannon | W Davidson | Charles Bailey | 8/1898 | MANCH |
| Inula salicina | IE, Ambiguous locality (IE), Lough Derg Cultivated | Edward Francis Linton | Charles Bailey Edward Francis Linton | 7/1887 | MANCH |
| Potamogeton pectinatus | IE, VCH40 Co. Londonderry, Portstewart | Alexander Cossart Hasse | | 7/1860 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | IE, VCH40 Co. Londonderry, coleraine | Samuel Alexander Stewart | Botanical Exchange Club of The British Isles Charles Bailey | 29/7/1883 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | IE, VCH39 Co. Antrim, Templepatrick | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 8/1894 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | IE, VCH39 Co. Antrim, Templepatrick | Samuel Alexander Stewart | Charles Bailey Samuel Alexander Stewart | 10/8/1894 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | IE, VCH39 Co. Antrim, Templepatrick | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 10/8/1894 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | IE, VCH39 Co. Antrim, Templepatrick | Samuel Alexander Stewart | Manchester Museum Charles Bailey | 10/8/1894 | MANCH |
| Potamogeton perfoliatus | IE, VCH39 Co. Antrim, River Main | Alexander Cossart Hasse | | 9/1858 | MANCH |
| Jasione montana | IE, VCH39 Co. Antrim, Portrush | Charles Bailey | Charles Bailey | 13/7/1896 | MANCH |
| Ranunculus bulbosus | IE, VCH39 Co. Antrim, Portrush | Charles Bailey | Charles Bailey | 13/7/1896 | MANCH |
| Ranunculus bulbosus | IE, VCH39 Co. Antrim, Portrush | Charles Bailey | Manchester Museum Charles Bailey | 14/7/1896 | MANCH |
| Potamogeton berchtoldii | IE, VCH39 Co. Antrim, Lough Neagh | Samuel Alexander Stewart | Alfred Fryer | 28/6/1880 | MANCH |
| Potamogeton alpinus | IE, VCH39 Co. Antrim, Lough Mourne | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | | MANCH |
| Potamogeton perfoliatus | IE, VCH39 Co. Antrim, Lough Mourne | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 19/7/1880 | MANCH |
| Saxifraga umbrosa x hirsuta = S. x geum | IE, Kerry, Lough Leane IE, VCH39 Co. Antrim, Clare Moutain | William Andrews | Botanical Society of London John Hardy | 7/1844 | MANCH |
| Potamogeton perfoliatus | IE, VCH39 Co. Antrim, Bushmills | Samuel Alexander Stewart | Richmond Museum Charles Bailey | 7/1866 | MANCH |
| Potamogeton alpinus | IE, VCH39 Co. Antrim, Belfast | Samuel Alexander Stewart | Richmond Museum Charles Bailey James Ward | 2/7/1866 | MANCH |
| Anemone nemorosa | IE, VCH39 Co. Antrim, Ballintoy | | Charles Bailey | | MANCH |
| Oxalis acetosella | IE, VCH39 Co. Antrim, Ballintoy | Charles Bailey | Charles Bailey | 11/7/1896 | MANCH |
| Potamogeton natans | IE, VCH39 Co. Antrim | William Mateer | Hewett Cottrell Watson | 7/1846 | MANCH |
| Potamogeton alpinus | IE, VCH38 Co. Down, Newcastle | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 8/8/1890 | MANCH |
| Lobelia dortmanna | IE, VCH38 Co. Down, Mourne Mountains | Samuel Alexander Stewart | Richmond Museum Charles Bailey James Ward | 7/9/1865 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH38 Co. Down, magheralin | Coslett Herbert Waddell | Botanical Exchange Club of The British Isles Charles Bailey Coslett Herbert Waddell | 7/1904 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | IE, VCH38 Co. Down, Lagan | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 12/8/1894 | MANCH |
| Apium nodiflorum x inundatum = A. x moorei | IE, VCH38 Co. Down, Downpatrick | Samuel Alexander Stewart | Botanical Exchange Club Charles Bailey | 16/9/1886 | MANCH |
| Apium nodiflorum x inundatum = A. x moorei | IE, VCH38 Co. Down, Downpatrick | Samuel Alexander Stewart | Charles Bailey | 7/1880 | MANCH |
| Potamogeton obtusifolius | IE, VCH38 Co. Down, Comber | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 27/7/1884 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | IE, VCH37 Co. Armagh, Battleford Bridge | Robert Lloyd Praeger | Alfred Fryer Charles Bailey | 7/1892 | MANCH |
| Potamogeton gramineus | IE, Donegal, Lough Ibby | | | 14/6/1955 | MANCH |
| Potamogeton perfoliatus | IE, Donegal, Lough Ibby | Effie Moira Rosser | | 14/6/1955 | MANCH |
| Potamogeton crispus | IE, Donegal | Effie Moira Rosser | | 16/6/1955 | MANCH |
| Salix aurita x repens x herbacea = S. x grahamii | IE, Donegal Cultivated | John Thomas Irvine Boswell-Syme | Charles Bailey | 5/1881 | MANCH |
| Salix aurita x repens x herbacea = S. x grahamii | IE, Donegal Cultivated | John Thomas Irvine Boswell-Syme | Charles Bailey | 7/1881 | MANCH |
| Salix aurita x repens x herbacea = S. x grahamii | IE, Donegal Cultivated | John Thomas Irvine Boswell-Syme | Charles Bailey | 7/1881 | MANCH |
| Potamogeton pectinatus | IE, VCH35 West Donegal, Fanad Head | Isherwood | | 16/6/1955 | MANCH |
| Potamogeton coloratus | IE, VCH28 Co. Sligo, Coolgagh Loch | Samuel Alexander Stewart | Alfred Fryer Charles Bailey | 4/8/1883 | MANCH |
| Viola canina x persicifolia = V. x ritschliana | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Charles Bailey | 8/7/1895 | MANCH |
| Viola canina x persicifolia = V. x ritschliana | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 8/7/1895 | MANCH |