| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Donor Unknown | 1852 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | George Stephen West John Gilbert Baker | 5/1855 9/1855 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 25/3/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 7/4/1842 9/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 9/4/1842 23/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 9/4/1842 to 27/6/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | | 22/4/1842 to 9/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 11/5/1842 to 6/8/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 21/6/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC68 North Northumberland, Carham | Andrew Brotherston | George Stephen West John Harbord Lewis | 4/1876 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC68 North Northumberland, Carham | Andrew Brotherston | George Stephen West John Harbord Lewis | 9/1876 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Bowmont Forest | Andrew Brotherston | George Stephen West | 10/1876 to 5/1877 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Robert Renton | George Stephen West | 5/1881 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso, Rosebank | Andrew Brotherston | Augustin Ley | 5/1875 to 9/1876 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC83 Midlothian, Inveresk | John Thomas Irvine Boswell-Syme | Augustin Ley | 6/1871 | BIRM |
| Salix viminalis x caprea = S. x smithiana | IE, VCH2 North Kerry, Muckross | Augustin Ley | Augustin Ley | 23/8/1887 | BIRM |
| Salix viminalis x caprea = S. x smithiana | IE, VCH39 Co. Antrim, Kilroot | Samuel Alexander Stewart | George Stephen West | 5/1868 | BIRM |
| 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 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 viminalis x caprea = S. x smithiana | GB, VC31 Huntingdonshire, Holme Cultivated GB, VC9 Dorset, Bournemouth Cultivated | Edward Francis Linton | Set of British Willows | 4/4/1893 12/6/1893 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC12 North Hampshire, Fleet Cultivated | Hewett Cottrell Watson | Burton Mounsher Watkins | 9/1869 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Charles Cardale Babington | 19/3/1842 to 19/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | John Stevens Henslow | 19/3/1842 19/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | John Stevens Henslow | 7/5/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Berechurch | George Charles Brown | Botanical Society & Exchange Club of The British Isles Joseph Edward Little | 21/5/1923 to 14/8/1923 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Great Wymondley | Joseph Edward Little | Joseph Edward Little | 25/10/1920 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Great Wymondley | Joseph Edward Little | Joseph Edward Little | 4/4/1921 to 25/7/1921 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Great Wymondley | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 2/4/1922 5/10/1922 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Great Wymondley | Joseph Edward Little | Joseph Edward Little | 25/7/1921 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 12/3/1922 to 30/7/1922 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Edward Francis Linton Joseph Edward Little | 5/3/1923 4/10/1923 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Joseph Edward Little | 17/6/1921 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Joseph Edward Little | 5/3/1923 4/10/1923 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Ickleford | Joseph Edward Little | Joseph Edward Little | 2/11/1922 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Ickleford | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 18/4/1921 16/5/1921 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 30/12/1967 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bassingbourn | Peter Derek Sell | | 26/4/1987 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Bourn | Peter Derek Sell | | 11/7/1986 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Stuart Max Walters | | 24/6/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Edmund Frederic Warburg | | 1/5/1932 | CGE |