| Thalictrum minus subsp. minus | IE, VCH9 Co. Clare, Black Head | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Watson Botanical Exchange Club Harry Corbyn Levinge | 12/7/1894 | ABS |
+ | Ajuga pyramidalis | IE, VCH9 Co. Clare, Ballyryan | Patrick Bernard O'Kelly | Charles Bailey Harry Corbyn Levinge | 5/5/1894 | MANCH |
+ | Ajuga pyramidalis | IE, VCH9 Co. Clare, Ballyryan | Patrick Bernard O'Kelly | Charles Bailey Harry Corbyn Levinge | 15/5/1895 | MANCH |
+ | Astragalus danicus | IE, Galway Bay,Gt Island of Arran,Killeany | Patrick Bernard O'Kelly | Charles Bailey Harry Corbyn Levinge | 14/6/1894 | 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 |
+ | Potamogeton friesii | IE, VCH20 Co. Wicklow, Loch Derravaragh | Harry Corbyn Levinge | Charles Bailey Harry Corbyn Levinge | 24/7/1895 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| Ajuga pyramidalis | IE, VCH9 Co. Clare, Ballyryan | Patrick Bernard O'Kelly | Harry Corbyn Levinge William Hadden Beeby | 15/5/1895 | SLBI |
| Allium ampeloprasum | IE, VCH16 West Galway, Roundstone | Harry Corbyn Levinge | William Hadden Beeby | 15/9/1891 | SLBI |
| Erica mackaiana | IE, VCH16 West Galway, Roundstone | Harry Corbyn Levinge | William Hadden Beeby | 14/9/1891 | SLBI |
| Vaccinium oxycoccos | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Harry Corbyn Levinge William Hadden Beeby | 5/7/1891 | SLBI |
| Carex dioica | IE, VCH23 Westmeath, Lough Derravaragh | Harry Corbyn Levinge | Arthur Bennett | 28/5/1895 | BM |
| Habenaria albida | IE, VCH9 Co. Clare, Ballyvaughan | Harry Corbyn Levinge | Arthur Bennett | 18/5/1892 | K |
| Erica carnea | IE, VCH16 West Galway, Roundstone | Harry Corbyn Levinge | S A Chambers | 14/9/1891 | SLBI |
| Habenaria viride | IE, VCH9 Co. Clare, Lisdoonvarna | Harry Corbyn Levinge | Charles Baron Clarke | 23/6/1891 | K |
| Baldellia ranunculoides | IE, VCH23 Westmeath | Harry Corbyn Levinge | James Sykes Gamble | 16/9/1888 | K |
| Baldellia ranunculoides | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
| Callitriche stagnalis | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
| Galeopsis tetrahit | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
| Glebionis segetum | GB, VC49 Caernarvonshire, Portmadoc | Harry Corbyn Levinge | James Sykes Gamble | 9/9/1884 | K |
| Mentha spicata | IE, VCH23 Westmeath, River Gaine | Harry Corbyn Levinge | James Sykes Gamble | 27/9/1888 | K |
| Plantago maritima | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
| Scutellaria minor | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
| Veronica scutellata | GB, VC49 Caernarvonshire, Criccieth | Harry Corbyn Levinge | James Sykes Gamble | 8/1884 | K |
+ | Bupleurum falcatum | | Harry Corbyn Levinge | A J Mary Gray Samuel Octavus Gray | 8/1837 | MANCH |
| Mentha spicata x suaveolens = M. x villosa | GB, VC57 Derbyshire, Matlock | A Steuart Eleonora Armitage Harry Corbyn Levinge | Harry Corbyn Levinge John Durbin Gray | 30/8/1893 | CGE |
| Pyrola rotundifolia | IE, VCH23 Westmeath, Scragh Bog | Harry Corbyn Levinge Henry Groves James Groves | Allan Octavian Hume Henry & James Groves | 4/8/1892 | SLBI |
| Carex appropinquata | IE, VCH23 Westmeath, Bog of Lynn | Harry Corbyn Levinge | Frederick Janson Hanbury Harry Corbyn Levinge | 6/6/1892 | BM |
| Carex appropinquata | IE, VCH23 Westmeath, Bog of Lynn | Harry Corbyn Levinge | Frederick Janson Hanbury | 6/6/1892 | BM |
| Carex appropinquata | IE, VCH23 Westmeath, Ladestown | Harry Corbyn Levinge | Frederick Janson Hanbury Harry Corbyn Levinge | 16/7/1891 | BM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Miller's Dale | Harry Corbyn Levinge | | 7/9/1893 | LIV |
| Erica mackaiana | IE, VCH16 West Galway, Craiggamore | Bolton King | Harry Corbyn Levinge | 27/8/1892 | ABS |
| Erica mackaiana | IE, VCH16 West Galway, Craiggamore | Bolton King | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 27/8/1892 | BIRM |
| Arctostaphylos uva-ursi | IE, VCH9 Co. Clare, Gleninagh Hills | Harry Corbyn Levinge | George Stephen West Harry Corbyn Levinge | 19/5/1892 | BIRM |
| Brassica napus | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Harry Corbyn Levinge | 22/7/1894 | SHYB |
| Brassica napus | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Harry Corbyn Levinge | 9/9/1895 | ABS |
| Butomus umbellatus | IE, VCH9 Co. Clare, Ennis | Patrick Bernard O' Kelly | Harry Corbyn Levinge | 6/7/1892 | E |
+ | Carex appropinquata | IE, VCH23 Westmeath, Mullingar, Bog of Lynn | Harry Corbyn Levinge | Charles Bailey | 14/6/1895 | MANCH |