| Oenothera rosea | GB, VC6 North Somerset, Failand | James Walter White | Watson Botanical Exchange Club | 8/1920 | SLBI |
| Pyrola minor | GB, VC6 North Somerset, Failand | James Walter White | Watson Botanical Exchange Club William Robert Sherrin | 14/6/1887 | SLBI |
| Symphytum officinale | GB, VC6 North Somerset, Flax Bourton | James Walter White | Watson Botanical Exchange Club William Robert Sherrin | 13/6/1912 | SLBI |
| Symphytum | GB, VC6 North Somerset, Gatcombe Mill | Ida Mary Roper James Walter White | Watson Botanical Exchange Club | 23/5/1918 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Gurney Slade | James Walter White | Watson Botanical Exchange Club James Walter White | 11/9/1925 | SLBI |
| Stellaria neglecta | GB, VC6 North Somerset, Keynsham | James Walter White | Watson Botanical Exchange Club Harold Stuart Thompson | 8/6/1930 | BIRM |
| Symphytum officinale var. patens | GB, VC6 North Somerset, Keynsham | James Walter White | Watson Botanical Exchange Club | 16/5/1930 7/6/1930 | SLBI |
| Rubus diversus | GB, VC6 North Somerset, Leigh Woods | James Walter White | Watson Botanical Exchange Club | 15/7/1921 | SLBI |
| Rubus fuscicaulis | GB, VC6 North Somerset, Leigh Woods | James Walter White | Watson Botanical Exchange Club | 7/1920 8/1920 | SLBI |
| Rubus vestitus | GB, VC6 North Somerset, Leigh Woods | James Walter White | Watson Botanical Exchange Club James Walter White | 8/1920 | SLBI |
| Rubus vestitus | GB, VC6 North Somerset, Leigh Woods | James Walter White | Watson Botanical Exchange Club James Walter White | 6/8/1920 | SLBI |
| Valeriana officinalis | GB, VC6 North Somerset, Leigh Woods | James Walter White | Watson Botanical Exchange Club | 28/6/1924 | SLBI |
| Chenopodium album | GB, VC6 North Somerset, Meare | James Walter White | Watson Botanical Exchange Club | 5/8/1912 | SLBI |
| Carex acutiformis | GB, VC6 North Somerset, Oakford Vale | Cedric Bucknall James Walter White | Watson Botanical Exchange Club | 30/5/1911 | BM |
| Ranunculus baudotii var. marinus | GB, VC6 North Somerset, Portbury | James Walter White | Watson Botanical Exchange Club Harold Stuart Thompson | 10/6/1932 | BIRM |
| Ranunculus aquatilis | GB, VC6 North Somerset, Portbury Marsh | James Walter White | Watson Botanical Exchange Club Harold Stuart Thompson | 29/5/1914 | BIRM |
| Ranunculus aquatilis | GB, VC6 North Somerset, Portbury Marsh | James Walter White | Watson Botanical Exchange Club William Robert Sherrin | 29/5/1914 | SLBI |
| Lactuca virosa | GB, VC6 North Somerset, Portishead | James Walter White | Watson Botanical Exchange Club William Robert Sherrin | 2/9/1904 | SLBI |
| Malva sylvestris | GB, VC6 North Somerset, Portishead | James Walter White | Watson Botanical Exchange Club James Walter White | 30/7/1906 | SLBI |
| Ruppia rostellata | GB, VC6 North Somerset, Portishead | James Walter White | Watson Botanical Exchange Club James Walter White | 1/10/1904 | SLBI |
| Senecio vulgaris | GB, VC6 North Somerset, Portishead | James Walter White | Watson Botanical Exchange Club Allan Octavian Hume | 30/5/1904 | SLBI |
| Senecio vulgaris | GB, VC6 North Somerset, Portishead | James Walter White | Watson Botanical Exchange Club William Robert Sherrin | 26/5/1905 | SLBI |
| Malva sylvestris | GB, VC6 North Somerset, Portshead Dock | James Walter White | Watson Botanical Exchange Club Harold Stuart Thompson James Walter White | 30/7/1906 | BIRM |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Watson Botanical Exchange Club Job Edward Lousley | 19/9/1929 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy | James Walter White | Watson Botanical Exchange Club | 19/9/1929 | SLBI |
| Stellaria neglecta | GB, VC6 North Somerset, Publow | James Walter White | Watson Botanical Exchange Club | 1/6/1929 | SLBI |
| Chenopodium album | GB, VC6 North Somerset, Shapwick Moor | James Walter White | Watson Botanical Exchange Club Harold Stuart Thompson James Walter White | 4/8/1912 | BIRM |
| Chenopodium album | GB, VC6 North Somerset, Shapwick Moor | | Watson Botanical Exchange Club James Walter White | 4/8/1912 | SLBI |
| Senecio sylvaticus | GB, VC6 North Somerset, Shapwick Moor | James Walter White | Watson Botanical Exchange Club James Walter White | 20/8/1928 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC6 North Somerset, Shipham on Mendip | James Walter White | Watson Botanical Exchange Club Job Edward Lousley | 23/8/1916 | SLBI |
| Juncus compressus | GB, VC6 North Somerset, Stanton Drew | | Isaac A Helsby Watson Botanical Exchange Club James Walter White | 18/7/1888 | SLBI |
| Juncus compressus | GB, VC6 North Somerset, Stanton Drew | James Walter White | Watson Botanical Exchange Club | 18/7/1888 | SLBI |
| Paeonia mascula | GB, VC6 North Somerset, Steep Holm Island Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club | 22/5/1922 | SLBI |
| Stellaria neglecta | GB, VC6 North Somerset, Stockwood | James Walter White | Watson Botanical Exchange Club James Walter White | 8/6/1930 | SLBI |
| Carex elata | GB, VC6 North Somerset, Tickenham | James Walter White | Watson Botanical Exchange Club | 16/6/1909 | SLBI |
| Salix triandra | GB, VC6 North Somerset, Walton | James Walter White | Watson Botanical Exchange Club James Walter White | 24/5/1924 2/9/1924 | SLBI |
| Dactylorhiza praetermissa | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club James Walter White Job Edward Lousley | 15/6/1929 | SLBI |
| Mentha aquatica | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club James Walter White | 30/8/1927 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | | Watson Botanical Exchange Club Isaac A Helsby James Walter White | 28/8/1927 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Watson Botanical Exchange Club James Walter White | 28/8/1927 | SLBI |