| Papaver rhoeas | IE, VCH40 Co. Londonderry, Magilligan | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 25/7/1894 | GALW |
| Osmunda regalis | IE, VCH40 Co. Londonderry, Maghera | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 21/7/1894 | GALW |
| Mentha aquatica x spicata = M. x piperita | IE, VCH39 Co. Antrim, Carnmoney | Samuel Alexander Stewart | Science & Art Museum Dublin | 14/9/1872 | DBN |
| Mentha aquatica x spicata = M. x piperita | IE, VCH39 Co. Antrim, Carnmoney | Samuel Alexander Stewart | Science & Art Museum Dublin | 12/8/1893 | DBN |
| Stellaria palustris | IE, VCH38 Co. Down, Kearny | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 25/7/1897 | GALW |
| Sanicula europaea | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 5/1893 | GALW |
| Papaver rhoeas | IE, VCH38 Co. Down, County Down | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 12/7/1902 | GALW |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH37 Co. Armagh, ballybrennan | W F Johnson | Science & Art Museum Dublin | 9/1894 | DBN |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH36 Tyrone, Strabane Canal | | Science & Art Museum Dublin | 9/1900 | DBN |
| Mentha aquatica x spicata = M. x piperita | IE, VCH36 Tyrone, Strabane | Matilda Cullen Knowles | Science & Art Museum Dublin | 7/1896 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH36 Tyrone, Foyle | Matilda Cullen Knowles | Science & Art Museum Dublin | 9/1900 | DBN |
| Calluna vulgaris | IE, VCH36 Tyrone, Bessy Bell | Matilda Cullen Knowles | Science & Art Museum Dublin | 7/1896 | DBC |
| Salix viminalis x caprea = S. x smithiana | IE, VCH36 Tyrone | Matilda Cullen Knowles | Science & Art Museum Dublin | 9/1900 | DBN |
| Trifolium striatum | IE, VCH35 West Donegal, Saint John's Point | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 15/7/1902 | GALW |
| Salix cinerea x phylicifolia = S. x laurina | IE, VCH35 West Donegal, Ardara | | Science & Art Museum Dublin Henry Chichester Hart | | DBN |
| Osmunda regalis | IE, VCH33 Fermanagh, County Fermà nagh | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 7/1903 | GALW |
| Mentha arvensis x spicata = M. x gracilis | IE, VCH30 Co. Cavan, Cavan | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 9/8/1905 | DBN |
| Stellaria palustris | IE, VCH29 Co. Leitrim, Rinn Lough | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 19/7/1899 | GALW |
| Scutellaria galericulata | IE, VCH29 Co. Leitrim, Lough Gill | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 24/7/1899 | GALW |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH29 Co. Leitrim, Garadice Lough | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 21/8/1900 | DBN |
| Juniperus nana | IE, VCH28 Co. Sligo, Rosses Point | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 12/7/1904 | GALW |
| Coronopus didymus | IE, VCH27 West Mayo, Westport Quay | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 7/7/1903 | GALW |
| Hymenophyllum tunbrigense | IE, VCH27 West Mayo, Slievemore | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 4/1898 | GALW |
| Hymenophyllum wilsonii | IE, VCH27 West Mayo, Slievemore | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 4/1898 | GALW |
| Crithmum maritimum | IE, VCH27 West Mayo, Dooega | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 27/7/1904 | GALW |
| Coronopus squamatus | IE, VCH27 West Mayo, Clare Island | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 7/1903 | GALW |
| Pimpinella saxifraga | IE, VCH26 East Mayo, Lough Carra | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 7/1906 | GALW |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH25 Co. Roscommon, Slieve Bawn | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 21/8/1900 | DBN |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH25 Co. Roscommon, Kilteevan | | Science & Art Museum Dublin | 31/8/1897 | DBN |
| Rhynchospora alba | IE, VCH25 Co. Roscommon, Kilteevan | | Science & Art Museum Dublin T A P Mapother | 21/7/1897 | DBC |
| Teucrium scordium | IE, VCH24 Co. Longford, Lough Ree | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 20/8/1900 | GALW |
| Myosotis discolor | IE, VCH24 Co. Longford, Carn Clonhugh | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 12/6/1898 | GALW |
| Stellaria palustris | IE, VCH23 Westmeath, Lough Ennell | Harry Corbyn Levinge | Science & Art Museum Dublin Harry Corbyn Levinge | 6/8/1891 | GALW |
| Carex appropinquata | IE, VCH23 Westmeath, Ladestown | Harry Corbyn Levinge | Science & Art Museum Dublin Harold Stuart Thompson | 16/7/1891 | BIRM |
| Rosa villosa | IE, VCH23 Westmeath, Knock Ross | Harry Corbyn Levinge | Irish National Herbarium Glasnevin Dublin Science & Art Museum Dublin Harry Corbyn Levinge | 9/9/1892 | GALW |
| Polypodium vulgare | IE, VCH21 Co. Dublin, Three Rock Mountain | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 9/8/1894 | GALW |
| Cerastium semidecandrum | IE, VCH21 Co. Dublin, Portmarnock | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 12/5/1895 | GALW |
| Spergularia marina | IE, VCH21 Co. Dublin, North Bull Island | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 1/8/1894 | GALW |
| Geranium sanguineum | IE, VCH21 Co. Dublin, Howth | Harry Corbyn Levinge | Science & Art Museum Dublin Harold Stuart Thompson | 24/8/1890 | BIRM |
| Salvia verbenaca | IE, VCH21 Co. Dublin, Howth | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 6/1894 | GALW |