| Allium ampeloprasum | IE, VCH16 West Galway, Connemara,Roundstone Cultivated | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 8/1894 | BIRM |
| Allium ampeloprasum | IE, VCH16 West Galway, Roundstone | B King | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 7/1892 8/1892 | BIRM |
| Allium ampeloprasum | IE, VCH16 West Galway, Roundstone | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 15/9/1891 | BIRM |
| Carex appropinquata | IE, VCH23 Westmeath, Bog of Lynn | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 14/6/1895 | BIRM |
| Carex dioica | IE, VCH23 Westmeath, Donore | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 28/5/1895 | BIRM |
| Carex hostiana | IE, VCH23 Westmeath, Knock Drui, Co. West Meath | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 3/7/1895 | BIRM |
| Cerastium arvense | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley | 19/5/1892 | BIRM |
| Ceterach officinarum | IE, VCH9 Co. Clare, Ballyvaughan | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 19/5/1892 | BIRM |
| Cirsium dissectum | IE, VCH23 Westmeath, Lough Owel | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 13/7/1894 | BIRM |
| Cirsium dissectum | IE, VCH23 Westmeath, Westmeath | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 13/7/1894 | BIRM |
| Dryas octopetala | IE, VCH15 South-east Galway, Castle Taylor | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 16/5/1892 | BIRM |
| Erica mackaiana | IE, VCH16 West Galway, Craiggamore | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 14/9/1891 | BIRM |
| Galium mollugo var. insubricum | IE, VCH21 Co. Dublin, Hough | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge Arthur Bennett | 15/6/1891 to 11/7/1891 | BIRM |
| Galium mollugo var. insubricum | IE, VCH21 Co. Dublin, Howth | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 24/6/1892 | BIRM |
| Helianthemum oelandicum subsp. incanum | IE, VCH9 Co. Clare, Ballyryan | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 6/1895 | BIRM |
| Juncus bulbosus | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 8/7/1893 | BIRM |
| Juncus bulbosus | IE, VCH23 Westmeath, Quarry Bog | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 15/8/1891 | BIRM |
| Limosella aquatica | IE, VCH9 Co. Clare, Corofin | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 13/7/1892 | BIRM |
| Neotinea maculata | IE, VCH9 Co. Clare, Ballyvaughan | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 18/5/1892 | BIRM |
| Neotinea maculata | IE, VCH9 Co. Clare, Burren | Patrick Bernard O'Kelly | Augustin Ley Harry Corbyn Levinge | 5/1894 | BIRM |
| Neotinea maculata | IE, VCH9 Co. Clare, Glenquin House | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 20/5/1892 | BIRM |
| Polypodium vulgare | IE, VCH23 Westmeath, Knock Ross | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 17/6/1892 | BIRM |
| Potamogeton lucens | IE, VCH23 Westmeath, Lough Derravaragh | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley | 9/8/1892 | BIRM |
| Rumex crispus | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 27/7/1895 | BIRM |
| Saxifraga rosacea | IE, VCH9 Co. Clare, Black Head | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley | 19/5/1892 | BIRM |
| Saxifraga rosacea | IE, VCH9 Co. Clare, Black Head | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 21/6/1891 | BIRM |
| Scrophularia auriculata | IE, VCH23 Westmeath, Lough Derravaragh | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Augustin Ley | 13/9/1895 | BIRM |
| Sesleria caerulea | IE, VCH15 South-east Galway, Castle Taylor | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 16/5/1892 | BIRM |
| Ulmus diversifolia | IE, Ambiguous locality (IE), Lismore Castle | Harry Corbyn Levinge | Augustin Ley | 8/1878 | BIRM |
| Vaccinium oxycoccos | IE, VCH23 Westmeath, Quarry Bog | Harry Corbyn Levinge | Augustin Ley Harry Corbyn Levinge | 5/7/1891 | BIRM |
| Veronica scutellata | IE, VCH9,VCH15, Garryland Wood | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Augustin Ley Harry Corbyn Levinge | 14/8/1893 | 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, Bog of Lynn | Harry Corbyn Levinge | Harry Corbyn Levinge | 6/6/1892 | BM |
| Carex appropinquata | IE, VCH23 Westmeath, Bog of Lynn | Harry Corbyn Levinge | James Groves | 6/6/1892 | BM |
| Carex appropinquata | IE, VCH23 Westmeath, Ladestown | Harry Corbyn Levinge | Eliza Standerwick Gregory | 16/7/1891 | BM |
| Carex appropinquata | IE, VCH23 Westmeath, Ladestown | Harry Corbyn Levinge | Alexander Somerville | 16/7/1891 | E |
| Carex appropinquata | IE, VCH23 Westmeath, Lough Ennell | Harry Corbyn Levinge | Eliza Standerwick Gregory Harry Corbyn Levinge | 16/7/1891 | BM |