| Viola riviniana | | Edward Shearburn Marshall | | 2/5/1894 | SLBI |
| Polygonum aviculare | IE, VCH38 Co. Down, Ballywalter | Coslett Herbert Waddell | Watson Botanical Exchange Club Arthur Bennett Charles Edgar Salmon Coslett Herbert Waddell Edward Shearburn Marshall Harold Stuart Thompson | 21/9/1917 | BIRM |
| Arenaria serpyllifolia | IE, VCH31 Co. Louth, Omeath | Coslett Herbert Waddell | Watson Botanical Exchange Club Charles Edgar Salmon Edward Shearburn Marshall Harold Stuart Thompson | 7/1916 | BIRM |
| Arenaria ciliata | IE, VCH28 Co. Sligo, Benbulben | George Claridge Druce | Allan Octavian Hume Edward Shearburn Marshall | 9/1906 | SLBI |
| Brassica rapa subsp. campestris | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles William Hunt Painter | 11/7/1895 | ABS |
| Campanula rotundifolia | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Augustin Ley | 15/7/1895 | BIRM |
| Geranium purpureum | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Augustin Ley | 9/6/1896 | BIRM |
| Viola canina | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles | 8/7/1895 | BIRM |
| Viola canina x persicifolia = V. x ritschliana | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Charles Bailey | 8/7/1895 | MANCH |
| Viola canina x persicifolia = V. x ritschliana | IE, Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 8/7/1895 | MANCH |
| Dactylorhiza incarnata subsp. incarnata | IE, VCH27 West Mayo, Westport | Edward Shearburn Marshall | Watson Botanical Exchange Club Harold Stuart Thompson | 22/6/1899 | BIRM |
| Ranunculus flammula subsp. scoticus | IE, VCH27 West Mayo, Sraheens Lough | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Allan Octavian Hume Edward Shearburn Marshall | 23/6/1899 | SLBI |
| Carex vulpina | IE, VCH27 West Mayo, Newport | Edward Shearburn Marshall | Edward Shearburn Marshall | 28/6/1899 | BM |
| Carex distans | IE, VCH27 West Mayo, near Newport | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles | 28/6/1899 | ABS |
| Euphrasia curta | IE, VCH27 West Mayo, Mallaranny | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Augustin Ley | 29/6/1899 | BIRM |
| Listera cordata | IE, VCH27 West Mayo, Mallaranny | Edward Shearburn Marshall | Watson Botanical Exchange Club Harold Stuart Thompson | 27/6/1899 | BIRM |
| Listera cordata | IE, VCH27 West Mayo, Mallaranny | Edward Shearburn Marshall | Allan Octavian Hume | 27/6/1899 | SLBI |
| Melampyrum pratense | IE, VCH27 West Mayo, Achill Sound | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Augustin Ley Edward Shearburn Marshall | 23/6/1899 | BIRM |
| Euphrasia brevipila | IE, VCH27 West Mayo, Achill Island | Edward Shearburn Marshall | Allan Octavian Hume | 23/6/1899 | SLBI |
| Ranunculus flammula subsp. scoticus | IE, VCH27 West Mayo, Achill Island | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles William Hunt Painter | 23/6/1899 | ABS |
| Ranunculus flammula subsp. scoticus | IE, VCH27 West Mayo, Achill Island | Edward Shearburn Marshall | Allan Octavian Hume Arthur Bennett | 23/6/1899 | SLBI |
| Melampyrum pratense | IE, VCH27 West Mayo, Achill | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles William Hunt Painter | 23/6/1899 | ABS |
| Melampyrum pratense | IE, VCH27 West Mayo, Achill | Edward Shearburn Marshall | | 23/6/1899 | SLBI |
| Viola canina x persicifolia = V. x ritschliana | IE, VCH26 East Mayo, Lough Mask, S end | Edward Shearburn Marshall | Edward Shearburn Marshall | 8/7/1895 | SLBI |
| Geranium robertianum | IE, VCH26 East Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles William Hunt Painter | 9/6/1896 | ABS |
| Geranium robertianum | IE, VCH26 East Mayo, Lough Mask | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles | 9/6/1896 | SLBI |
| Rosa spinosissima x sherardii = R. x involuta | IE, VCH26 East Mayo, Lough Mask | Edward Shearburn Marshall | Allan Octavian Hume | 9/6/1896 | SLBI |
| Arabis hirsuta | GB, VC17 Surrey, Milford Cultivated IE, VCH26 East Mayo, Cong | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Augustin Ley | 6/7/1889 | BIRM |
| Rubus hesperius | IE, VCH26 East Mayo, Cong | Edward Shearburn Marshall | Watson Botanical Exchange Club Edward Shearburn Marshall | 11/6/1896 | SLBI |
| Rubus hesperius | IE, VCH26 East Mayo, Cong | Edward Shearburn Marshall | William Charles Richard Watson | 11/6/1896 | SLBI |
| Rubus iricus | IE, VCH26 East Mayo, Cong | Edward Shearburn Marshall | Watson Botanical Exchange Club | 11/6/1894 | SLBI |
| Rosa spinosissima x tomentosa = R. x andrzejowskii | IE, VCH26 East Mayo, Clonbur | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles | 11/6/1896 | ABS |
| Rhinanthus | IE, VCH23 Westmeath, Mullingar, Bog of Lynn | Edward Shearburn Marshall | Harry Corbyn Levinge William Hunt Painter | 22/7/1895 | SHYB |
| Rhinanthus minor | IE, VCH23 Westmeath, Mullingar, Bog of Lynn | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Harry Corbyn Levinge William Hunt Painter | 22/7/1895 | ABS |
| Salix aurita x repens = S. x ambigua | IE, VCH23 Westmeath, Loughstown | Edward Shearburn Marshall | | 19/7/1895 | CGE |
| Chara contraria var. hispidula | IE, VCH23 Westmeath, Lough | Edward Shearburn Marshall | | 20/7/1895 | SHYB |
| Potamogeton lucens x gramineus = P. x angustifolius | IE, VCH23 Westmeath, County Westmeath | Edward Shearburn Marshall | Alexander Somerville Edward Shearburn Marshall | 18/7/1895 | E |
| Rhinanthus minor subsp. stenophyllus | IE, VCH23 Westmeath, Bog of Lynn | Edward Shearburn Marshall | Harry Corbyn Levinge | 22/7/1895 | SLBI |
| Carex hostiana x lepidocarpa = C. x fulva | IE, Galway, Maarn | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles | 5/7/1895 | ABS |
| Erica carnea | IE, VCH16 West Galway, Roundstone | Patrick Bernard O'Kelly | Edward Shearburn Marshall | 4/1888 | SLBI |