+ | Calamagrostis stricta | | Harry Joseph Riddelsdell | Frederick Ernest Weiss George Claridge Druce | 8/1902 | MANCH |
+ | Melampyrum arvense | | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 9/1909 | MANCH |
+ | Mentha arvensis x spicata = M. x gracilis | | George Claridge Druce | Botanical Society & Exchange Club of The British Isles Charles Bailey George Claridge Druce | | MANCH |
+ | Polygala amarella | | George Claridge Druce | Warrington Museum William Wilson | 6/1909 | MANCH |
+ | Rhinanthus angustifolius | | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 7/1920 | MANCH |
+ | Salvia pratensis | | Harry Joseph Riddelsdell | Charles Bailey George Claridge Druce | 10/6/1907 | MANCH |
+ | Salvia pratensis | | Andrew Heaton | Charles Bailey Frederick Robinson George Claridge Druce | 21/6/1872 | MANCH |
+ | Viola canina | | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 5/1919 | MANCH |
| Lobelia dortmanna | US, New Hampshire, Pelham | F S Beattie | Isaac A Helsby George Claridge Druce | 14/7/1927 | SLBI |
| Eriophorum vaginatum | IT | | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 7/1886 | BIRM |
| Senecio vulgaris var. radiatus | IE, Ambiguous locality (IE), Killarney | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 6/1890 | BIRM |
| 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 |
| Agrostis palustris | IE, VCH40 Co. Londonderry, Ridge | George Claridge Druce | William Hunt Painter | 8/1898 | SHYB |
+ | Calamagrostis stricta | IE, VCH39 Co. Antrim, Toome Bridge | George Claridge Druce | Botanical Exchange Club of The British Isles Charles Bailey | 7/1909 | MANCH |
+ | Calamagrostis stricta | IE, VCH39 Co. Antrim, Lough Neagh | George Claridge Druce | Frederick Ernest Weiss George Claridge Druce | 8/7/1866 | MANCH |
| Euphrasia nemorosa | IE, VCH38 Co. Down, Newcastle | George Claridge Druce | Frederick Townsend | 8/1898 | SLBI |
| Puccinellia maritima | IE, VCH38 Co. Down, Killyleagh | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 8/1909 | BIRM |
| Blysmus rufus | IE, VCH28 Co. Sligo, Sligo Bay | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 6/1909 | BIRM |
| Arenaria ciliata | IE, VCH28 Co. Sligo, Sligo | George Claridge Druce | Isaac A Helsby | 7/1928 | SLBI |
| Equisetum hyemale x variegatum = E. x trachyodon | IE, VCH28 Co. Sligo, Glencar | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley | 5/1909 | BIRM |
+ | Equisetum hyemale x variegatum = E. x trachyodon | IE, VCH28 Co. Sligo, Glen Car | George Claridge Druce | Botanical Exchange Club of The British Isles Charles Bailey George Claridge Druce | 5/1909 | MANCH |
| Equisetum palustre | IE, VCH28 Co. Sligo, Drumcliff | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 5/1909 | BIRM |
| Arenaria ciliata | IE, VCH28 Co. Sligo, Benbulben | George Claridge Druce | Allan Octavian Hume Edward Shearburn Marshall | 9/1906 | SLBI |
| Artemisia stelleriana | IE, VCH21 Co. Dublin, North Bull Island | George Claridge Druce | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1900 | ABS |
| Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Rockfield | George Claridge Druce | | 5/1909 | BIRM |
| Viola tricolor subsp. curtisii | IE, VCH20 Co. Wicklow, Rockfield | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley George Claridge Druce | 5/1909 | BIRM |
| Arabis hirsuta | IE, VCH16 West Galway, Roundstone | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 9/1906 | BIRM |
| 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 | | Botanical Exchange Club of The British Isles George Claridge Druce | 9/1906 | ABS |
+ | Eriocaulon aquaticum | IE, VCH16 West Galway, Connemara,Roundstone | George Claridge Druce | Botanical Exchange Club of The British Isles George Claridge Druce | 8/1911 | MANCH |
+ | Eriocaulon aquaticum | IE, VCH16 West Galway, Connemara IE, VCH20 Co. Wicklow, Glendalough | John Wesley Carr | Miss Haywood & G C Druce George Goode George Claridge Druce Mary Hayward | 12/7/1895 | MANCH |
| Daboecia cantabrica | IE, VCH16 West Galway, Clifden | George Claridge Druce | George Stephen West | 7/1875 | BIRM |
| Sisyrinchium californicum | IE, VCH12 Co. Wexford, Wexford | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley | 9/1906 | BIRM |
+ | Otanthus maritimus | IE, VCH12 Co. Wexford, Rosslare | George Claridge Druce | Botanical Exchange Club of The British Isles George Claridge Druce | 9/1906 | MANCH |
| Otanthus maritimus | IE, VCH12 Co. Wexford, Lady's Island | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley | 9/1906 | BIRM |
| Cerastium arvense | IE, VCH9 Co. Clare, Cappanawalla | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley | 5/1909 | BIRM |
| 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, Caher River | George Claridge Druce | George Claridge Druce | 8/1928 | E |