| Salix aurita x repens = S. x ambigua | GB, VC52 Anglesey, Valley | William Richardson Linton | IRGMA | 3/7/1895 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, King's Norton | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles IRGMA Arthur Reginald Horwood | 11/7/1908 1/9/1909 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Atlow | | IRGMA | 19/5/1888 22/8/1888 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Bradley | | IRGMA | 3/5/1888 21/8/1888 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC57 Derbyshire, Bradley Wood | William Richardson Linton | IRGMA | 6/1891 9/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Brailsford | William Richardson Linton | IRGMA | 10/5/1890 16/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Brailsford | William Richardson Linton | IRGMA | 17/5/1890 8/9/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Brailsford | William Richardson Linton | IRGMA | 16/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Brailsford | | IRGMA | 9/8/1889 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC57 Derbyshire, Brailsford | William Richardson Linton | IRGMA | 22/8/1902 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC57 Derbyshire, Cubley | William Richardson Linton | IRGMA Set of British Willows | 8/5/1897 5/7/1897 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston | William Richardson Linton | IRGMA Set of British Willows | 22/4/1895 4/7/1895 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 22/4/1890 18/8/1890 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 15/4/1898 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 28/6/1898 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | IRGMA | 20/4/1894 25/6/1894 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | IRGMA | 23/4/1896 30/6/1896 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | IRGMA | 28/6/1898 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 28/4/1890 18/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 20/4/1890 18/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | Liverpool University IRGMA | 28/4/1890 18/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | IRGMA | 25/6/1894 22/4/1895 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 28/4/1890 18/8/1890 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Edlaston Coppy | | IRGMA | 8/8/1891 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Edlaston Coppy | William Richardson Linton | IRGMA | 28/4/1890 18/8/1890 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC57 Derbyshire, Etwall | William Richardson Linton | IRGMA | 13/9/1897 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Over Burrows | | IRGMA | 28/4/1888 9/10/1888 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC57 Derbyshire, Shirley Cultivated | William Richardson Linton | IRGMA | 21/5/1900 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Shirley | | IRGMA | 4/5/1904 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | IRGMA | 30/9/1889 21/4/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | IRGMA William Richardson Linton | 5/5/1890 5/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | IRGMA | 26/8/1903 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | | IRGMA | 1/5/1888 25/6/1888 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | | IRGMA | 23/5/1888 7/9/1888 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley | William Richardson Linton | IRGMA Set of British Willows | 1894 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC57 Derbyshire, Shirley Common | William Richardson Linton | IRGMA | 17/4/1888 22/8/1888 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC57 Derbyshire, Thurvaston | William Richardson Linton | IRGMA | 13/5/1894 26/6/1894 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 13/6/1889 30/8/1889 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 5/1891 8/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 5/1891 8/1891 | LIV |