| Mentha aquatica x spicata = M. x piperita | GB, VC5 South Somerset, Minehead | Spencer Henry Bickham | Spencer Henry Bickham | 3/9/1895 | CGE |
| Potentilla erecta x anglica = P. x suberecta | GB, VC5 South Somerset, Minehead | Augustin Ley Spencer Henry Bickham | Augustin Ley | 18/6/1906 | BIRM |
+ | Sorbus subcuneata | GB, VC5 South Somerset, Minehead | Augustin Ley Spencer Henry Bickham | Charles Bailey | 19/6/1906 | MANCH |
+ | Sorbus subcuneata | GB, VC5 South Somerset, Minehead | Spencer Henry Bickham | Charles Bailey | 15/8/1908 | MANCH |
| Sorbus subcuneata | GB, VC5 South Somerset, Minehead | Spencer Henry Bickham | Augustin Ley Spencer Henry Bickham | 15/8/1908 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Monkton Heathfield | Edward Shearburn Marshall | Spencer Henry Bickham | 16/8/1906 | CGE |
| Epilobium lanceolatum | GB, VC5 South Somerset, West Monkton | Augustin Ley Edward Shearburn Marshall Spencer Henry Bickham | Augustin Ley | 20/6/1906 | BIRM |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC5 South Somerset, West Monkton Cultivated | Edward Shearburn Marshall | Edward Shearburn Marshall Spencer Henry Bickham | 16/8/1907 | CGE |
+ | Dianthus gratianopolitanus | GB, VC6 North Somerset, Cheddar | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1850 | MANCH |
| Dianthus gratianopolitanus | GB, VC6 North Somerset, Cheddar Gorge | Spencer Henry Bickham | Watson Botanical Exchange Club Augustin Ley Spencer Henry Bickham | 20/6/1906 | BIRM |
| Sedum forsterianum | GB, VC6 North Somerset, Cheddar Gorge | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 27/6/1906 | BIRM |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC6 North Somerset, Clifton Cultivated | James Walter White | Watson Botanical Exchange Club James Walter White Spencer Henry Bickham | 14/8/1908 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Compton Dando | James Walter White | Spencer Henry Bickham | 1/9/1925 | CGE |
| Carex digitata | GB, VC6 North Somerset, Leigh Woods | Henry Oxley Stephens | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1844 | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Newton Saint Loe | Ida Mary Roper | Watson Botanical Exchange Club Spencer Henry Bickham | 13/9/1916 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Pensford | Ida Mary Roper | Botanical Exchange Club of The British Isles Ida Mary Roper J Fraser Spencer Henry Bickham | 30/3/1927 to 22/6/1927 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 15/8/1909 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 20/8/1909 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Spencer Henry Bickham | 16/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy-on-Mendip | James Walter White | Spencer Henry Bickham | 24/9/1925 | CGE |
| Paeonia mascula | GB, VC6 North Somerset, Steep Holm Island | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson | 28/5/1919 | BIRM |
| Paeonia mascula | GB, VC6 North Somerset, Steep Holm Island Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club | 22/5/1922 | SLBI |
| Trinia glauca | GB, VC6 North Somerset, Uphill | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Augustin Ley | 26/6/1906 | BIRM |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Charles Edgar Salmon J Fraser Spencer Henry Bickham | 25/8/1925 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club Charles Edgar Salmon Spencer Henry Bickham | 17/8/1925 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Watson Botanical Exchange Club Spencer Henry Bickham | 5/9/1924 | CGE |
| Sagina maritima | GB, VC6 North Somerset, Weston-super-Mare | Spencer Henry Bickham | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 29/6/1902 | BIRM |
| Sagina maritima | GB, VC6 North Somerset, Weston-super-Mare | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 21/6/1906 | ABS |
| Sagina maritima | GB, VC6 North Somerset, Weston-super-Mare | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Augustin Ley Spencer Henry Bickham | 21/6/1906 | BIRM |
| Carex digitata | GB, VC7 North Wiltshire, Box | Thomas Bruges Flower | John Wilson Rimington Spencer Henry Bickham | 4/1869 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC7 North Wiltshire, Monkton Farleigh | Spencer Henry Bickham | John Wilson Rimington Spencer Henry Bickham | 30/3/1859 | MANCH |
| Orchis mascula | GB, VC9 Dorset, Athelhampton GB, VC9 Dorset, Athelhampton | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 19/4/1834 | MANCH |
| Dactylorhiza maculata subsp. ericetorum | GB, VC9 Dorset, Edmondsham | Edward Francis Linton | Watson Botanical Exchange Club Harold Stuart Thompson Spencer Henry Bickham | 9/6/1908 | BIRM |
| Dactylorhiza maculata subsp. ericetorum | GB, VC9 Dorset, Edmondsham Dorset | Edward Francis Linton | Watson Botanical Exchange Club Spencer Henry Bickham | 9/6/1908 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Edmonsham Cultivated | Edward Francis Linton | Spencer Henry Bickham | 15/9/1909 | CGE |
| Luzula forsteri x pilosa = L. x borreri | GB, VC10 Isle of Wight | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1853 | MANCH |
+ | Scleranthus annuus | GB, VC10 Isle of Wight | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1850 | MANCH |
| Silene gallica | GB, VC10 Isle of Wight, Bembridge | C Bickham | Augustin Ley Spencer Henry Bickham | 12/7/1905 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC10 Isle of Wight, Freshwater | Edward Walter Hunnybun | Spencer Henry Bickham | 18/9/1906 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC10 Isle of Wight, Freshwater | Edward Walter Hunnybun | Spencer Henry Bickham | 25/9/1906 | CGE |