| Apium nodiflorum x inundatum = A. x moorei | IE, VCH16 West Galway, Portumna | Edward Francis Linton | Botanical Exchange Club of The British Isles Charles Bailey Edward Francis Linton | 6/8/1885 | MANCH |
| Potamogeton polygonifolius | IE, VCH16 West Galway, Oughterard | Charles Bailey | Charles Bailey Charles Bailey | 3/10/1885 | MANCH |
| Apium nodiflorum x inundatum = A. x moorei | IE, VCH16 West Galway, Munster,Portumna | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey William Richardson Linton | 5/8/1885 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | IE, VCH16 West Galway, Maam | Thomas Barker | | 8/1868 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | David Moore | Charles Bailey | 8/1868 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey William Richardson Linton | 13/8/1885 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | Edward Francis Linton | Charles Bailey | 13/8/1885 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | Edward Francis Linton | Charles Bailey | 13/8/1885 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey William Richardson Linton | 13/8/1885 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | Alban Edward Lomax | Alban Edward Lomax Charles Bailey | 6/8/1886 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | William Andrew Shoolbred | Botanical Exchange Club of The British Isles Charles Bailey William Andrew Shoolbred | 5/7/1895 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | George Claridge Druce | Botanical Exchange Club of The British Isles Charles Bailey George Claridge Druce | 9/1906 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | George Claridge Druce | George Claridge Druce | 9/1907 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | William Arthur Sledge | Botanical Exchange Club of The British Isles William Arthur Sledge | 9/9/1935 | MANCH |
| Potamogeton polygonifolius | IE, VCH16 West Galway, Maam | Charles Bailey | Charles Bailey | 3/10/1885 | MANCH |
| Potamogeton perfoliatus | IE, VCH16 West Galway, Lough Craigduff | John Norton Mills June R J Mills | John Norton Mills | 22/8/1953 | MANCH |
| Saxifraga umbrosa x spathularis = S. x urbium | IE, VCH16 West Galway, Derry-Voreathra | | John Hutton Balfour | 13/8/1838 | MANCH |
| Eriophorum angustifolium | IE, VCH16 West Galway, Connemara,Clifden | Charles Bailey | Charles Bailey | 18/8/1868 | MANCH |
| Anaphalis margaritacea | IE, VCH16 West Galway, Connemara | Hooker | William Wilson | | MANCH |
| Potamogeton natans | IE, VCH16 West Galway, Connemara | William Richardson Linton | Botanical Exchange Club of The British Isles William Richardson Linton | 8/8/1885 | MANCH |
| Saxifraga umbrosa x spathularis = S. x urbium | IE, VCH16 West Galway, Connemara | Samuel Alexander Stewart | Charles Bailey | 10/5/1876 | MANCH |
| Lobelia dortmanna | IE, VCH16 West Galway, Clifden | Charles Bailey | Charles Bailey | 18/8/1868 | MANCH |
| Potamogeton natans | IE, VCH16 West Galway, Bealanabrack River | Charles Bailey | Charles Bailey | 3/10/1885 | MANCH |
| Inula salicina | IE, VCH15 South-east Galway, Lough Derg | Alban Edward Lomax | Alban Edward Lomax Charles Bailey Eyre Champion de Crespigny | 10/8/1886 | MANCH |
| Inula salicina | IE, VCH15 South-east Galway, Lough Derg Cultivated | Edward Francis Linton | Botanical Exchange Club of The British Isles Charles Bailey Edward Francis Linton | 8/7/1895 | MANCH |
| Inula salicina | IE, VCH15 South-east Galway, Lough Derg | Edward Francis Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 14/7/1895 | MANCH |
| Inula salicina | IE, VCH15 South-east Galway, Lough Derg | Edward Francis Linton | Charles Bailey | 8/8/1895 | MANCH |
| Pyrola minor | IE, VCH14 Laois, Barrahill | F C King | Charles Bailey G Robson | 6/1880 | MANCH |
| Potamogeton berchtoldii | IE, VCH9 Co. Clare, Calluragh | George Claridge Druce | George Claridge Druce | 7/1921 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Cahir River | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 11/6/1909 | MANCH |
| Potamogeton coloratus | IE, VCH9 Co. Clare, Caher River | John Norton Mills | John Norton Mills | 12/8/1953 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | | John Norton Mills | 12/8/1953 | MANCH |
| Epipactis helleborine | IE, VCH9 Co. Clare, Black Head | John Norton Mills | John Norton Mills | 12/8/1953 | MANCH |
| Epipactis helleborine | IE, VCH9 Co. Clare, Ballyvaughan | Arthur John Farmer | Arthur John Farmer | 16/8/1968 | MANCH |
| Salix fragilis x alba = S. x rubens | IE, VCH8 Co. Limerick, Limerick | George Fogerty | Charles Bailey Edward Francis Linton | 10/5/1912 2/7/1912 | MANCH |
| Saxifraga umbrosa x spathularis = S. x urbium | IE, Cork, Cork | | Manchester Museum (Owens College) | 6/1840 | MANCH |
| Saxifraga umbrosa x spathularis = S. x urbium | IE, Cork, Cork | John Bland Wood | John Bland Wood | 6/1840 | MANCH |
| Saxifraga umbrosa x spathularis = S. x urbium | IE, VCH3 West Cork | Thomas Allin | Charles Bailey Thomas Allin | | MANCH |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 8/1887 | MANCH |
| Potamogeton alpinus | IE, Kerry, Lower Lake, Killarney | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 6/1888 | MANCH |