| Salix viminalis x caprea = S. x smithiana | IE, VCH4 Mid Cork, Leemount | | | 9/1853 | CGE |
| Salix viminalis x caprea = S. x smithiana | IE, VCH18 Offaly, Banagher | Robert Lloyd Praeger | Science & Art Museum Dublin Robert Lloyd Praeger | 25/6/1898 | DBN |
| Salix viminalis x caprea = S. x smithiana | GB, VC20 Hertfordshire, Great Wymondley | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 3/4/1923 to 13/10/1923 | SLBI |
| 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 | Watson Botanical Exchange Club | 5/3/1923 4/10/1923 | SLBI |
| 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 | SLBI |
| Salix viminalis x caprea = S. x smithiana | GB, VC34 West Gloucestershire, Westerleigh | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 20/4/1921 17/8/1921 | SLBI |
| Salix viminalis x caprea = S. x smithiana | GB, VC17 Surrey, Putney Heath | Charles Avery | Charles Avery | 12/4/1941 | SLBI |
| 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, VC40 Shropshire, Eyton | T C Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Cardale Babington George Stephen West William West | 5/8/1852 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington | 8/4/1841 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 25/3/1842 21/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 7/4/1842 27/6/1842 9/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 9/4/1842 23/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Cardale Babington John Ewbank Leefe | 11/5/1842 6/8/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Blacklaw | Andrew Brotherston | Charles Cardale Babington | 5/1877 9/1877 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | Charles Cardale Babington | 4/1875 8/1875 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Dawley | William Hunt Painter | Charles Bailey William Hunt Painter | 4/1896 7/1896 | MANCH |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Charles Bailey Set of British Willows | 1/4/1893 12/6/1893 | MANCH |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Coxwold | John Gilbert Baker | IRGMA | 7/1855 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | IRGMA | | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | Donor Unknown | 5/1852 9/1852 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | George Stephen West John Gilbert Baker | 3/9/1855 | BIRM |
| 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, VC31 Huntingdonshire, Sawtry | Arthur Bennett | IRGMA | 20/4/1885 3/9/1885 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC37 Worcestershire, Brace's Leigh | Richard Francis Towndrow Spencer Henry Bickham | Spencer Henry Bickham | 29/8/1904 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC37 Worcestershire, Madresfield | F Towndrow Spencer Henry Bickham | Spencer Henry Bickham | 6/4/1905 8/8/1905 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, Quenby | Arthur Reginald Horwood | Arthur Reginald Horwood Spencer Henry Bickham | 14/8/1906 4/1907 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Macclesfield | Richard Francis Towndrow Spencer Henry Bickham | Watson Botanical Exchange Club IRGMA Spencer Henry Bickham | 6/4/1905 8/8/1905 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Eyton | J C Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Eyton upon the Weald Moore | Thomas Campbell Eyton | Charles Cardale Babington | | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC17 Surrey, Merton | Charles Edward Britton | Charles Edward Britton | 8/8/1911 6/5/1912 | SLBI |
| 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, Bowmont Forest | Andrew Brotherston | | 10/1876 to 5/1877 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | IRGMA | 9/4/1876 to 9/1876 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | | 10/1876 to 5/1877 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC1 West Cornwall, Bissoe | Frederick Hamilton Davey | Allan Octavian Hume | 21/5/1902 | SLBI |
| Salix viminalis x caprea = S. x smithiana | GB, VC1 West Cornwall, Bissoe | Frederick Hamilton Davey | Allan Octavian Hume | 21/5/1902 | SLBI |