| Potamogeton polygonifolius | IE, Ambiguous locality (IE), Killarney | Reginald Wiliam Scully | | 6/8/1887 | BSBI |
| Arenaria ciliata | IE, VCH28 Co. Sligo, Kings Mountain | Samuel Alexander Stewart | Reginald Wiliam Scully | 18/7/1879 | SLBI |
| Polygala vulgaris | IE, VCH28 Co. Sligo, Benbulben | Samuel Alexander Stewart | Reginald Wiliam Scully | 3/8/1883 | SLBI |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 30/8/1893 | MANCH |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 30/8/1893 | MANCH |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Reginald Wiliam Scully Alfred Fryer | 30/8/1893 | E |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 30/8/1893 | ABS |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Job Edward Lousley Reginald Wiliam Scully | 30/8/1893 | SLBI |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Reginald Wiliam Scully | 30/8/1893 | SLBI |
| Potamogeton gramineus | IE, VCH22 Meath, Navan | Reginald Wiliam Scully | Reginald Wiliam Scully | 30/8/1893 | SLBI |
+ | Carex divisa | IE, VCH21 Co. Dublin, Dublin,North Lotts | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 4/1888 | MANCH |
| Carex divisa | IE, VCH21 Co. Dublin, Dublin | Richard Prendergast Vowell | Edward Francis Linton Reginald Wiliam Scully | 14/8/1886 | BM |
+ | Oenanthe fistulosa | IE, VCH21 Co. Dublin, Dublin | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 23/9/1889 | MANCH |
+ | Puccinellia fasciculata | IE, VCH21 Co. Dublin, Dublin | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 8/1889 | MANCH |
| Isoetes lacustris subsp. morei | IE, VCH20 Co. Wicklow, Upper Lough Bray | Reginald Wiliam Scully | | 3/10/1887 | BSBI |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 6/6/1889 | MANCH |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 3/10/1892 | MANCH |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 6/6/1889 | MANCH |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully Thomas Barker | 6/6/1889 | MANCH |
| Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | | 3/10/1892 | BIRM |
+ | Gentianella campestris | IE, VCH20 Co. Wicklow, Three Castle Head | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 6/9/1889 | MANCH |
| Lycopodium inundatum | IE, VCH20 Co. Wicklow, Glendalough | James Ponsonby Brunker | Reginald Wiliam Scully | 7/1928 | GALW |
+ | Polystichum lonchitis | IE, VCH16 West Galway, Twelve Bens [Pins] | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 7/1884 | MANCH |
| Trifolium striatum | IE, VCH12 Co. Wexford, Churchtown | Edward Shearburn Marshall | Reginald Wiliam Scully | 10/6/1897 | GALW |
| Juncus tenuis | IE, Cork, Lauragh | Reginald Wiliam Scully | Harry Corbyn Levinge | 7/8/1894 | SHYB |
| Anisantha tectorum | IE, Cork, Cork | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 19/6/1891 | BIRM |
| Sisymbrium pannonicum | IE, Cork, Cork | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 19/6/1891 | BIRM |
+ | Euphorbia exserta | IE, VCH4 Mid Cork, Crosshaven | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 8/1889 | MANCH |
| Potamogeton natans | IE, Kerry, The Long Range, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 11/8/1890 | BIRM |
| Potamogeton polygonifolius | IE, Kerry, The Long Range, Killarney | Reginald Wiliam Scully | Augustin Ley Reginald Wiliam Scully | 8/1888 | BIRM |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 8/1887 | MANCH |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | Augustin Ley Reginald Wiliam Scully | 8/1887 | BIRM |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | Augustin Ley Reginald Wiliam Scully | 11/8/1890 | BIRM |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | | 11/8/1890 | ABS |
| Potamogeton natans | IE, Kerry, The Long Range | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 11/8/1890 | ABS |
| Potamogeton polygonifolius | IE, Kerry, The Long Range | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 8/1888 | ABS |
| Salix viminalis x cinerea = S. x holosericea | IE, Kerry, Ross, Killarney | Reginald Wiliam Scully | Reginald Wiliam Scully | 24/8/1888 | DBN |
| Deschampsia cespitosa | IE, Kerry, Mangerton | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Edward Hackel Reginald Wiliam Scully | 27/7/1889 | ABS |
| Deschampsia cespitosa subsp. alpina | IE, Kerry, Mangerton | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 14/8/1888 | BIRM |
| Potamogeton alpinus | IE, Kerry, Lower Lake, Killarney | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 6/1888 | MANCH |