| Blackstonia perfoliata | GB, VC17 Surrey, Box Hill | George Nicholson | Croydon Natural History and Scientific Society | 25/7/1889 | SLBI |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Botanical Exchange Club of The British Isles Charles Bailey | 8/1888 | MANCH |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Charles Bailey | 8/1888 | MANCH |
+ | Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Charles Bailey | 8/1888 | MANCH |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Botanical Exchange Club of The British Isles William Hadden Beeby | 8/1888 | SLBI |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Augustin Ley | 8/1888 | BIRM |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Augustin Ley | 8/1888 | BIRM |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Botanical Exchange Club of The British Isles Elizabeth Anne Lomax | 8/1888 | MANCH |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1888 | ABS |
| Vaccinium vitis-idaea x myrtillus = V. x intermedium | GB, VC39 Staffordshire, Cannock Chase | George Nicholson | Botanical Exchange Club of The British Isles William Hunt Painter | 8/1888 | ABS |
| Pseudosasa japonica | GB, VC17 Surrey, Kew Gardens | George Nicholson | James Sykes Gamble | 5/3/1888 | K |
| Pseudosasa japonica | GB, VC17 Surrey, Kew Gardens | George Nicholson | George Nicholson James Sykes Gamble | 5/3/1888 | K |
| Sagittaria sagittifolia | GB, VC17 Surrey, Richmond | George Nicholson | William Booth Waterfall | 31/3/1887 | E |
| Betula pendula | GB, VC36 Herefordshire, Shobdon Hill Wood | Augustin Ley | Botanical Exchange Club of The British Isles George Nicholson William Hadden Beeby | 16/9/1886 | SLBI |
| Callitriche hamulata | GB, VC17 Surrey, Burford Bridge | George Nicholson | William Hillhouse | 25/7/1886 | BIRM |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | George Nicholson | | 6/7/1886 | K |
| Callitriche truncata | GB, VC113 Channel Islands, Guernsey | Frederic Henry Ward | George Nicholson | 1886 | SLBI |
| Rosa pomifera | IE, VCH20 Co. Wicklow, The Devil's Glen | | George Nicholson William Hadden Beeby E Walpole | 1886 | SLBI |
| Orchis militaris | FR, Dauphine, Rhone-Alpes | George Nicholson | William Hadden Beeby | 1/6/1885 | SLBI |
| Erysimum cheiri | GB, VC113 Channel Islands GB, VC17 Surrey, Richmond Cultivated | George Nicholson | | 5/1885 | SLBI |
| Eleocharis acicularis | GB, VC17 Surrey, Godalming | George Nicholson | William Hadden Beeby | 17/8/1884 | SLBI |
| Cerastium diffusum | GB, VC59 South Lancashire, Southport | George Nicholson | William Hadden Beeby | 6/1884 | SLBI |
| Plantago lanceolata | GB, VC17 Surrey, Kew | George Nicholson | | 1884 | K |
| Radiola linoides | GB, VC17 Surrey, Puttenham Common | Frederic Henry Ward | William Hadden Beeby George Nicholson | 16/9/1883 | SLBI |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | Botanical Exchange Club of The British Isles Augustin Ley | 7/8/1883 | BIRM |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | William Hadden Beeby Arthur Bennett | 8/1883 | SLBI |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | William Hadden Beeby Arthur Bennett | 8/1883 | SLBI |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | Allan Octavian Hume Frederick Townsend | 8/1883 | SLBI |
| Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | Frederick Townsend | 8/1883 9/1883 | SLBI |
| Scutellaria minor | GB, VC17 Surrey, Virginia Water | George Nicholson | Frederick Townsend | 8/1883 to 9/1883 | SLBI |
| Anagallis tenella | GB, VC17 Surrey, Godalming | George Nicholson | Croydon Natural History and Scientific Society | 8/7/1883 | SLBI |
| Erica cinerea | GB, VC17 Surrey, Godalming | George Nicholson | Croydon Natural History and Scientific Society | 7/1883 | SLBI |
| Erica tetralix | GB, VC17 Surrey, Godalming | George Nicholson | Croydon Natural History and Scientific Society | 7/1883 | SLBI |
| Geranium columbinum | GB, VC17 Surrey, Guildford | George Nicholson | | 7/1883 | SLBI |
| Scirpus sylvaticus | GB, VC17 Surrey, Guildford | George Nicholson | | 7/1883 | SLBI |
+ | Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | Botanical Exchange Club of The British Isles Charles Bailey | 7/1883 | MANCH |
+ | Scutellaria galericulata x minor = S. x hybrida | GB, VC17 Surrey, Virginia Water | George Nicholson | Botanical Exchange Club of The British Isles Charles Bailey | 7/1883 | MANCH |
| Carex remota | IE, VCH6 Co. Waterford, Dungarvan | George Nicholson James Britten | | 23/6/1883 | BM |
| Carex acutiformis | GB, VC17 Surrey, Kew | George Nicholson | Arthur Bennett | 6/1883 | BM |
| Drosera intermedia | GB, VC17 Surrey, Godalming | George Nicholson | Croydon Natural History and Scientific Society | 6/1883 | SLBI |