| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Alexander Somerville Reginald Wiliam Scully | 22/8/1890 | E |
| Potamogeton gramineus | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Reginald Wiliam Scully | 13/7/1888 | E |
| Alyssum calycinum | IE, VCH4,VCH5, Cork | | Ard-Mhusaeum na h-Eireann Reginald Wiliam Scully | 19/6/1891 | GALW |
| Erysimum repandum | IE, VCH4,VCH5, Cork | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 19/6/1891 | SLBI |
| Isoetes lacustris | IE, VCH20,VCH21, Lough Bray Upper | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 3/10/1887 | BIRM |
| Potamogeton gramineus | IE, VCH22,VCH31, River Boyne | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 30/8/1893 | BIRM |
| Carex riparia | IE, VCH5,VCH6, Youghal | Reginald Wiliam Scully Robert Albert Phillips | Alexander Somerville Robert Albert Phillips | 6/1896 | E |
| Salix purpurea x viminalis = S. x rubra | IE, VCH1 South Kerry, Blackwater Bridge | Reginald Wiliam Scully | Reginald Wiliam Scully | 25/8/1890 | DBN |
| Eleocharis parvula | IE, VCH1 South Kerry, Cashen River near Ballybunnion | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 8/1889 | BIRM |
| Simethis planifolia | IE, VCH1 South Kerry, Darrymane Harbor | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 9/7/1889 | BIRM |
| Arabis hirsuta | IE, VCH1 South Kerry, Darrynane Bay | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 10/7/1889 | BIRM |
| Polygonum arifolium | IE, VCH1 South Kerry, Derrynane | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 12/7/1889 | BIRM |
| Polygonum arifolium | IE, VCH1 South Kerry, Derrynane | N Colgan Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 7/1892 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH1 South Kerry, Home Park, Killarney | Reginald Wiliam Scully | Reginald Wiliam Scully | 24/7/1903 | DBN |
| Carex aquatilis x nigra = C. x hibernica | IE, VCH1 South Kerry, Kenmare | Reginald Wiliam Scully | Allan Octavian Hume Reginald Wiliam Scully Arthur Bennett | 5/6/1889 | SLBI |
| Juncus tenuis | IE, VCH1 South Kerry, Kenmare | Reginald Wiliam Scully | Botanical Society & Exchange Club of The British Isles Reginald Wiliam Scully William Hadden Beeby | 25/8/1890 | SLBI |
| Juncus tenuis | IE, VCH1 South Kerry, Kenmare | Reginald Wiliam Scully | Reginald Wiliam Scully William Hunt Painter | 25/8/1889 | SHYB |
| Mentha aquatica x spicata = M. x piperita | IE, VCH1 South Kerry, Kenmare | Reginald Wiliam Scully | Reginald Wiliam Scully | 28/8/1890 | DBN |
| Salix viminalis x caprea = S. x smithiana | IE, VCH1 South Kerry, Kenmare | Reginald Wiliam Scully | Reginald Wiliam Scully | 27/8/1890 | DBN |
+ | Eriocaulon aquaticum | IE, VCH1 South Kerry, Kenmare bay | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 15/7/1889 | MANCH |
| Persicaria sagittata | IE, VCH1 South Kerry, Kenmare bay | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 12/7/1889 | SLBI |
| Isoetes echinospora | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | | 8/1887 | BSBI |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Reginald Wiliam Scully | 8/1887 | DBN |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Reginald Wiliam Scully | 8/1887 | DBN |
| Potamogeton berchtoldii | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 13/8/1890 | ABS |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey | 13/8/1890 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 13/8/1890 | SLBI |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles | 8/1888 | SLBI |
| Potamogeton natans | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Society & Exchange Club of The British Isles Reginald Wiliam Scully William Hadden Beeby | 6/8/1887 | SLBI |
| Potamogeton natans | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Charles Bailey | 8/1887 | MANCH |
| Saxifraga hirsuta | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Harold Stuart Thompson Reginald Wiliam Scully | 8/1887 | BIRM |
+ | Utricularia intermedia | IE, VCH1 South Kerry, Killarney | Elizabeth Anne Lomax Reginald Wiliam Scully | Charles Bailey Elizabeth Anne Lomax Reginald Wiliam Scully | 20/8/1908 | MANCH |
+ | Hieracium scullyi | IE, VCH1 South Kerry, Roughty River at Morley's Bridge | Reginald Wiliam Scully | | 25/7/1903 | BIRM |
| Eleocharis parvula | IE, VCH2 North Kerry, Ballybunnion | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully | 8/1889 | ABS |
| Eleocharis parvula | IE, VCH2 North Kerry, Ballybunnion | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Reginald Wiliam Scully William Hadden Beeby | 8/1889 | SLBI |
| Salix viminalis x cinerea = S. x holosericea | IE, VCH2 North Kerry, Ballybunnion | Reginald Wiliam Scully | Reginald Wiliam Scully | 8/1889 | DBN |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH2 North Kerry, Ballymalis Castle | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 27/7/1889 | MANCH |
| Senecio jacobaea | IE, VCH2 North Kerry, Banna | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Augustin Ley Reginald Wiliam Scully | 7/1888 | BIRM |
| Senecio jacobaea | IE, VCH2 North Kerry, Banna | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles William Hunt Painter | 7/1888 | ABS |
| Viola tricolor subsp. curtisii | IE, VCH2 North Kerry, Banna | Reginald Wiliam Scully | | 8/1887 | BSBI |