| Salix purpurea | GB, VC39 Staffordshire, Bilbrook | John Ewbank Leefe | Botanical Exchange Club of The British Isles William Hadden Beeby | 12/5/1867 24/8/1867 | SLBI |
| Salix purpurea | GB, Northumberland, Rothbury | John Ewbank Leefe | William Hadden Beeby | 2/5/1876 8/6/1876 | SLBI |
| Salix purpurea | GB, VC68 North Northumberland, Harehope | | John Ewbank Leefe William Hadden Beeby | | SLBI |
| Salix purpurea | | | Arthur Bennett John Ewbank Leefe | 22/5/1867 24/8/1867 | SLBI |
+ | Salix purpurea x aurita = S. x dichroa | GB, VC67 South Northumberland, Rothbury | John Ewbank Leefe | Charles Bailey | | MANCH |
+ | Salix purpurea x cinerea = S. x pontederiana | GB, VC67 South Northumberland, Rothbury | Arthur Bennett John Ewbank Leefe | Charles Bailey | | MANCH |
| Salix purpurea x cinerea = S. x pontederiana | GB, Northumberland, Rothbury | Arthur Bennett John Ewbank Leefe | Botanical Exchange Club of The British Isles Augustin Ley | | BIRM |
| Salix purpurea x viminalis = S. x rubra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 6/4/1842 17/7/1842 | BIRM |
| Salix purpurea x viminalis = S. x rubra | GB, Northumberland, Rothbury | John Ewbank Leefe | Augustin Ley | | BIRM |
| Salix repens var. rosmannifolia | GB, VC29 Cambridgeshire, Cambridge Botanic Gardens | John Ewbank Leefe | | | SLBI |
| Salix repens | GB, VC29 Cambridgeshire, Cambridge Botanic Gardens Cultivated | John Ewbank Leefe | William Hadden Beeby | 14/5/1867 15/8/1867 | SLBI |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 9/5/1842 12/8/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 4/5/1842 12/8/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 25/4/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 9/5/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 12/8/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 26/4/1842 25/7/1842 | BIRM |
| Salix triandra x viminalis = S. x mollissima | | John Ewbank Leefe | John Ewbank Leefe Leicester Darwall | 14/5/1867 24/4/1869 21/8/1869 | CGE |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 5/4/1842 to 30/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 5/4/1842 10/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 19/3/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End Cultivated | John Ewbank Leefe | Donor Unknown | 4/4/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 22/3/1842 4/4/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 12/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 4/4/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 16/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 12/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 12/8/1842 | BIRM |
| 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, 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, 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, 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 | 9/4/1842 23/7/1842 | 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, 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 | Donor Unknown | 15/4/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 19/3/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 19/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 24/4/1842 16/8/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 9/7/1842 | BIRM |