| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 5/4/1842 10/7/1842 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 6/4/1842 22/7/1842 | 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 viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 7/4/1842 9/7/1842 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC65 North-west Yorkshire, Richmond | John Ewbank Leefe | Donor Unknown | 9/4/1842 to 4/7/1842 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 9/4/1842 4/7/1842 | 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, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 15/4/1842 | BIRM |
| Salix viminalis | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 16/4/1842 16/7/1842 | BIRM |
| Salix viminalis | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 16/4/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 19/4/1842 22/7/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 22/4/1842 | BIRM |
| Salix aurita | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 23/4/1842 to 23/7/1842 | 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 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 | 26/4/1842 25/7/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 27/4/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 4/5/1842 12/8/1842 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 7/5/1842 7/7/1842 | BIRM |
| 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 | 9/5/1842 | BIRM |
| Salix purpurea x viminalis = S. x rubra | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 11/5/1842 to 14/7/1842 | 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 triandra | GB, VC65 North-west Yorkshire, Skeeby | James Ward | Donor Unknown | 16/5/1842 22/7/1842 | BIRM |
| Rumex acetosella | GB, VC34 West Gloucestershire, Clifton | Martha Maria Atwood | Donor Unknown Martha Maria Atwood | 6/1842 | BIRM |
| Salix pentandra | GB, VC65 North-west Yorkshire, Gilling | James Ward | Donor Unknown | 2/6/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 21/6/1842 | BIRM |
| Salix pentandra | GB, VC88 Mid Perthshire, Glen Quaich | William Gardiner | Donor Unknown | 7/1842 | BIRM |
| Salix pentandra | GB, VC65 North-west Yorkshire, Gilling | James Ward | Donor Unknown | 9/7/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 9/7/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 9/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 9/7/1842 | 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 | 12/7/1842 | BIRM |
| Salix viminalis | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 16/7/1842 | BIRM |
| Salix viminalis | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 16/7/1842 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 19/7/1842 | BIRM |
| Salix purpurea | GB, VC65 North-west Yorkshire, Richmond | James Ward | Donor Unknown | 27/7/1842 | BIRM |
| Salix triandra | GB, VC19 North Essex, Audley End | John Ewbank Leefe | Donor Unknown | 12/8/1842 | BIRM |