| Salix triandra x viminalis = S. x mollissima | GB, VC6 North Somerset, Corston | Ida Mary Roper | Ida Mary Roper | 24/4/1915 | CGE |
| Salix triandra x viminalis = S. x mollissima | GB, VC6 North Somerset, Corston | Ida Mary Roper | Ida Mary Roper | 16/8/1915 | CGE |
| Salix x mollissima var. hippophaefolia | GB, VC6 North Somerset, Corston | Ida Mary Roper | Watson Botanical Exchange Club Charles Bailey Ida Mary Roper | 24/4/1915 16/8/1915 | MANCH |
| Salix caprea x cinerea = S. x reichardtii | GB, VC6 North Somerset, Failand | Ida Mary Roper | Ida Mary Roper | 17/3/1925 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC6 North Somerset, Kenn | Ida Mary Roper | Watson Botanical Exchange Club Edward Francis Linton Ida Mary Roper Joseph Edward Little | 22/5/1915 to 17/8/1915 | CGE |
| Salix triandra | GB, VC6 North Somerset, Keynsham | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 11/5/1917 21/6/1917 | BIRM |
| Salix ferruginea | GB, VC6 North Somerset, Long Ashton | James Walter White | | | BSBI |
| Salix fragilis | GB, VC6 North Somerset, Long Ashton | James Walter White | James Walter White William Hunt Painter | 5/1887 to 6/1887 | SHYB |
| Salix purpurea x cinerea = S. x pontederiana | GB, VC6 North Somerset, Long Ashton | James Walter White | Botanical Exchange Club of The British Isles Augustin Ley | 3/1886 8/1886 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Long Ashton | James Walter White | Botanical Exchange Club of The British Isles Augustin Ley | 4/1887 5/1887 8/1887 | BIRM |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Long Ashton | James Walter White | Charles Bailey | 3/1885 to 7/1885 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Long Ashton | James Walter White | Botanical Exchange Club of The British Isles Charles Bailey | 4/1887 to 8/1887 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Long Ashton | James Walter White | Botanical Exchange Club of The British Isles Elizabeth Anne Lomax | 3/1886 8/1886 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Long Ashton | James Walter White | Botanical Exchange Club of The British Isles | 4/1887 to 8/1887 | MANCH |
| 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 |
| Salix fragilis var. decipiens | GB, VC6 North Somerset, Saltford | David Fry | Harold Augustus Hyde | 29/5/1891 14/8/1891 | SLBI |
| Salix fragilis var. britannicum | GB, VC6 North Somerset, Saltford | David Fry | Allan Octavian Hume Edward Francis Linton | 29/5/1891 24/8/1891 | SLBI |
| Salix fragilis x alba = S. x rubens | GB, VC6 North Somerset, Saltford | A Fry | IRGMA | 29/5/1891 24/8/1891 | LIV |
| Salix cinerea subsp. oleifolia | GB, VC6 North Somerset, Shapwick | Augustin Ley | Augustin Ley | 24/9/1910 | BIRM |
| Salix cinerea x aurita = S. x multinervis | GB, VC6 North Somerset, Shapwick | Augustin Ley | Augustin Ley | 14/9/1910 | BIRM |
| Salix repens var. argentea | GB, VC6 North Somerset, Shapwick | Harold Stuart Thompson | Harold Stuart Thompson | 7/9/1931 | BIRM |
| Salix repens var. argentea | GB, VC6 North Somerset, Shapwick Moor | Augustin Ley | Augustin Ley | 24/9/1910 | BIRM |
| Salix repens var. argentea | GB, VC6 North Somerset, Shapwick Moor | Harold Stuart Thompson | Harold Stuart Thompson | 20/5/1923 | BIRM |
| Salix repens var. argentea | GB, VC6 North Somerset, Shapwick Moor | Harold Stuart Thompson | Harold Stuart Thompson | 7/9/1931 | BIRM |
| Salix triandra | GB, VC6 North Somerset, Walton | James Walter White | Watson Botanical Exchange Club James Walter White | 24/5/1924 2/9/1924 | SLBI |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Exchange Club of The British Isles Augustin Ley | 4/1887 5/1887 8/1887 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Society & Exchange Club of The British Isles | 4/1887 to 8/1887 | LIV |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Exchange Club of The British Isles Charles Bailey | 4/1887 to 8/1887 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Exchange Club of The British Isles Charles Bailey | 4/1887 to 8/1887 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Exchange Club of The British Isles | 4/1887 to 8/1887 | MANCH |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Walton-in-Gordano | Ida Mary Roper | Joseph Edward Little | 9/4/1913 7/8/1913 | CGE |
| Salix caprea | GB, VC6 North Somerset, Wells | Mary A G Livett | Harold Stuart Thompson | 1883 | BIRM |
| Salix aurita | GB, VC6 North Somerset, Weston-super-Mare | Harold Stuart Thompson | Harold Stuart Thompson | 15/8/1921 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC6 North Somerset, Wraxall | Ida Mary Roper | Ida Mary Roper J Fraser | 24/3/1927 2/8/1927 | SLBI |
| Salix caprea | GB, VC6 North Somerset, Yatton | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson | 3/4/1916 to 14/8/1916 | BIRM |
| Salix fragilis x triandra = S. x alopecuroides | GB, Somerset | James Walter White | Liverpool University IRGMA | 5/1887 6/1887 | LIV |
| Salix fragilis | GB, Somerset, Freshford | Augustin Ley | Augustin Ley | 11/5/1900 | BIRM |
| Salix cinerea | GB, VC7 North Wiltshire, Inglesham | Joseph Donald Grose | Botanical Exchange Club of The British Isles Joseph Donald Grose | 5/4/1938 9/6/1938 | SLBI |
| Salix x viridis | GB, VC7 North Wiltshire, Wroughton | Joseph Donald Grose | Botanical Society & Exchange Club of The British Isles Joseph Donald Grose | 8/5/1945 10/6/1945 | SLBI |
| Salix triandra | GB, VC8 South Wiltshire, Boyton | | Botanical Society & Exchange Club of The British Isles Joseph Donald Grose | 24/8/1947 | SLBI |