| Dryopteris dilatata | IE, VCH40 Co. Londonderry, Limavady | Mary Isabella Leebody | Robert Lloyd Praeger | 9/1894 | GALW |
| Dryopteris dilatata | IE, VCH27 West Mayo, Slievemore | Augustin Ley | Augustin Ley | 18/9/1867 | BIRM |
| Dryopteris dilatata | IE, VCH27 West Mayo, Old Head | Ann Folan | | 1/8/1964 | GALW |
| Dryopteris dilatata | IE, VCH27 West Mayo, Croaghaun | Augustin Ley | Augustin Ley | 17/9/1867 | BIRM |
| Dryopteris dilatata | IE, VCH21 Co. Dublin, Killiney Hill | | | 7/1931 | GALW |
| Dryopteris dilatata | IE, VCH17 North-east Galway, Abbeyknockmoy | Michael O'Connell | | 19/11/1978 | GALW |
| Dryopteris dilatata | IE, VCH8 Co. Limerick, Lough Gur | Irish Biogeographical Society | Irish Biogeographical Society | 6/8/1978 | GALW |
| Dryopteris dilatata | IE, VCH3 West Cork, Timoleague | Michael O'Connell | | 29/10/1978 | GALW |
| Dryopteris dilatata | IE, VCH2 North Kerry, Muckross | Augustin Ley | Augustin Ley | 24/8/1887 | BIRM |
| Dryopteris dilatata | IE, VCH2 North Kerry, Muckross | | Augustin Ley | 24/8/1887 | BIRM |
| Dryopteris dilatata | IE, VCH1 South Kerry, Glen Caragh | Augustin Ley | Augustin Ley | 19/8/1887 | BIRM |
| Dryopteris dilatata | IE, VCH1 South Kerry, Brandon Peak | | Augustin Ley | 12/8/1887 | BIRM |
| Dryopteris dilatata | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | William Hillhouse | William Hillhouse | 24/9/1879 | BIRM |
| Dryopteris dilatata | GB, VC113 Channel Islands, Jersey, Saint Catherine's Bay | William Hillhouse | William Hillhouse | 24/9/1879 | BIRM |
| Dryopteris dilatata | GB, VC111 Orkney, Orkney | John Thomas Irvine Boswell-Syme | Augustin Ley John Thomas Irvine Boswell-Syme | 8/1875 | BIRM |
| Dryopteris dilatata | GB, VC111 Orkney, Loch of Stenness | Boswell | Boswell Augustin Ley | 8/1875 | BIRM |
| Dryopteris dilatata | GB, VC111 Orkney, Loch of Stenness | John Thomas Irvine Boswell-Syme | Augustin Ley | 8/1875 | BIRM |
| Dryopteris dilatata | GB, VC110 Outer Hebrides, Loch Maddy | William Andrew Shoolbred | Augustin Ley William Andrew Shoolbred | 12/7/1894 | BIRM |
| Dryopteris dilatata | GB, VC108 West Sutherland, Glen Dhu | Robert Lloyd Praeger | Robert Lloyd Praeger | 9/1903 | DBC |
| Dryopteris dilatata | GB, VC100 Clyde Islands, Glen Sannox | | Augustin Ley | 10/9/1883 | BIRM |
| Dryopteris dilatata | GB, Ambiguous locality (GB), Castleton | Alexander Croall | | 7/1854 | BON |
| Dryopteris dilatata | GB, Aberdeenshire GB, VC17 Surrey, Kew Cultivated | | William Hillhouse | 7/1879 | BIRM |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Luib | | Langley Kitching | 24/7/1876 | BIRM |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Killin | Leslie Beeching Hall | Charles Smith Nicholson | 19/7/1903 | ABS |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Creag na Caillich | Charles Smith Nicholson | Charles Smith Nicholson | 12/7/1903 | ABS |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Birnam | | | 18/8/1875 | DBC |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Birnam | | | 18/8/1875 | DBC |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Birnam | | | 18/8/1875 | DBC |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Ben Lawers | Edward Cleminshaw | Edward Cleminshaw Harold Stuart Thompson | 8/1902 | BIRM |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Ben Lawers | Augustin Ley | Augustin Ley | 10/7/1872 | BIRM |
| Dryopteris dilatata | GB, VC88 Mid Perthshire, Ben Laoigh [Ben Lui] | Charles Smith Nicholson | Charles Smith Nicholson | 5/3/1909 | ABS |
| Dryopteris dilatata | GB, VC85 Fifeshire, Saint Andrews | Douglas Montague Heath | Douglas Montague Heath | 14/6/1915 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Pirniss Wood | John Thomas Irvine Boswell-Syme | Augustin Ley | 6/1875 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto,Pirniss Wood | John Thomas Irvine Boswell-Syme | | 6/1875 | BON |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto,Pirniss Wood | John Thomas Irvine Boswell-Syme | Augustin Ley | 11/1874 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto,Pirniss Wood | John Thomas Irvine Boswell-Syme | Augustin Ley | 6/1875 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto | John Thomas Irvine Boswell-Syme | | 11/1874 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto | John Thomas Irvine Boswell-Syme | Augustin Ley | 6/1875 | BIRM |
| Dryopteris dilatata | GB, VC85 Fifeshire, Balmuto | John Thomas Irvine Boswell-Syme | Augustin Ley | 6/1875 | BIRM |
| Dryopteris dilatata | GB, VC70 Cumberland, Lodore | | Mantua And Montferrat | | BON |