| Gentiana verna | IE, VCH9 Co. Clare, Ballyvaughan | Harry Corbyn Levinge | George Stephen West Harry Corbyn Levinge | 18/5/1892 | BIRM |
| Marrubium vulgare | IE, VCH9 Co. Clare, Black Head | Harry Corbyn Levinge | | 21/6/1891 | K |
| Marrubium vulgare | IE, VCH9 Co. Clare, Black Head | Harry Corbyn Levinge | Harry Corbyn Levinge | 21/6/1891 | K |
| Saxifraga rosacea | IE, VCH9 Co. Clare, Black Head | Harry Corbyn Levinge | Croydon Natural History and Scientific Society Henry Franklin Parsons | 19/5/1892 | SLBI |
| Butomus umbellatus | IE, VCH9 Co. Clare, Ennis | Patrick Bernard O' Kelly | Harry Corbyn Levinge | 6/7/1892 | E |
| Neotinea maculata | IE, VCH9 Co. Clare, Glanquin | Harry Corbyn Levinge | Harry Corbyn Levinge | 20/5/1892 | ABS |
| Arctostaphylos uva-ursi | IE, VCH9 Co. Clare, Gleninagh Hills | Harry Corbyn Levinge | George Stephen West Harry Corbyn Levinge | 19/5/1892 | BIRM |
| Neotinea maculata | IE, VCH9 Co. Clare, Glenquin | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Harry Corbyn Levinge | 20/5/1893 | ABS |
| Habenaria albida | IE, VCH9 Co. Clare, Lisdoonvarna | Harry Corbyn Levinge | | 23/6/1891 | K |
| Helianthemum canum | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Dublin Museum Harry Corbyn Levinge | 19/5/1892 | GALW |
| Helianthemum canum | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Dublin Museum Harry Corbyn Levinge | 19/5/1892 | GALW |
| Cerastium arvense | IE, VCH9 Co. Clare, Poulsallagh | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Harry Corbyn Levinge | 19/5/1892 | SLBI |
| Carex pseudocyperus | IE, VCH9 Co. Clare, Tubber | Patrick Bernard O' Kelly | Alexander Somerville Harry Corbyn Levinge | 6/7/1894 | E |
| Sesleria caerulea | IE, VCH15 South-east Galway, Castle Taylor | Harry Corbyn Levinge | | 16/5/1894 | ABS |
| Teucrium scordium | IE, VCH15 South-east Galway, Lough Derg | Harry Corbyn Levinge | Harry Corbyn Levinge | 8/1892 | GALW |
| Sium latifolium | IE, VCH15 South-east Galway, Portumna | Harry Corbyn Levinge | Harry Corbyn Levinge | 20/8/1892 | GALW |
| Daboecia cantabrica | IE, VCH16 West Galway, Connemara | Harry Corbyn Levinge | C S Salmon Harry Corbyn Levinge | 17/9/1890 | SHYB |
+ | Utricularia intermedia | IE, VCH16 West Galway, Connemara | Harry Corbyn Levinge | | 17/9/1891 | MANCH |
| Sium latifolium | IE, VCH16 West Galway, Portumna | Harry Corbyn Levinge | Dublin Museum | 20/8/1892 | GALW |
| Pilosella aurantiaca | IE, VCH17 North-east Galway, Mount Bellew | M Bayly | Harry Corbyn Levinge | 19/7/1894 | ABS |
| Pilosella aurantiaca | IE, Galway, Mount Bellow | Harry Corbyn Levinge | Harry Corbyn Levinge M Bayly | 19/7/1894 | SHYB |
| Chaenorhinum minus | IE, VCH20 Co. Wicklow, Killoughter | Harry Corbyn Levinge | Harry Corbyn Levinge | 7/10/1890 | K |
+ | Myriophyllum verticillatum | IE, VCH20 Co. Wicklow, nr Mullingar | Harry Corbyn Levinge | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 22/7/1895 | MANCH |
| Oenanthe fistulosa | IE, VCH20 Co. Wicklow, The Murrough | Harry Corbyn Levinge | | 10/7/1890 | K |
| Silene latifolia subsp. alba | IE, VCH21 Co. Dublin, Portmarnock | Harry Corbyn Levinge | Dublin Museum Irish National Herbarium Glasnevin Dublin | 12/7/1890 | GALW |
| Moehringia trinervia | IE, VCH23 Westmeath | Harry Corbyn Levinge | Dublin Museum Irish National Herbarium Glasnevin Dublin | 24/7/1890 | GALW |
| Juncus bulbosus | IE, VCH23 Westmeath | | Harry Corbyn Levinge | 1891 | SLBI |
| Dryopteris affinis | IE, VCH23 Westmeath | Harry Corbyn Levinge | Harry Corbyn Levinge | 8/9/1895 | ABS |
| 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 |
| Salix pentandra | IE, VCH23 Westmeath, Bog of Lynn | Harry Corbyn Levinge | Harry Corbyn Levinge | 14/6/1895 | SHYB |
| Rubus rubristylus | IE, VCH23 Westmeath, Crooked Wood | Harry Corbyn Levinge | Harry Corbyn Levinge | 6/8/1895 | ABS |
| Rubus rubristylus | IE, VCH23 Westmeath, Crooked Wood | Harry Corbyn Levinge | | 6/8/1895 | SLBI |
| Rubus macrophyllus var. schlechtendalii | IE, VCH23 Westmeath, Knock | Harry Corbyn Levinge | | 28/8/1895 | ABS |
| Festuca arundinacea | IE, VCH23 Westmeath, Knock Drui, Co. West Meath | Harry Corbyn Levinge | | 4/8/1884 | K |
| Ranunculus trichophyllus | IE, VCH23 Westmeath, Knock Drui, Co. West Meath | Harry Corbyn Levinge | | 10/7/1893 | SHYB |
| 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 |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | | 23/8/1888 | DBN |
| Veronica montana | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Harry Corbyn Levinge | 4/1890 | K |
| Brassica napus | IE, VCH23 Westmeath, Knockdrin | Harry Corbyn Levinge | Harry Corbyn Levinge | 22/7/1894 | SHYB |